Dipeptidyl peptidase-IV inhibitors

FIELD OF THE INVENTION

The present invention relates to pyrrolidine and thiazolidine-based inhibitors of dipeptidyl peptidase-IV (DPP-IV) and to methods for treating diabetes, particularly Type-2 diabetes as well as impaired glucose tolerance, impaired glucose homeostasis and complications associated with diabetes by inhibiting DPP-IV with such cyclic amido and cyclic ureido pyrrolidine and thiazolidine inhibitors.

BACKGROUND OF THE INVENTION

Diabetes results from the occurrence of one or more of several causative factors, and is characterized by an abnormal elevation in levels of plasma glucose (hyperglycemia). Persistent or uncontrolled hyperglycemia results in an increased probability of premature morbidity and mortality. Abnormal glucose homeostasis is usually associated with changes in the lipid, lipoprotein and apolipoprotein metabolism, or due to other metabolic and hemodynamic diseases.

Patients afflicted with Type-2 diabetes mellitus or noninsulin dependent diabetes mellitus (NIDDM), are especially at increased risk of suffering from macrovascular and microvascular complications, including coronary heart disease, stroke, peripheral vascular disease, hypertension, nephropathy, neuropathy and retinopathy. Therapeutic control of glucose homeostasis, lipid metabolism and hypertension are critical in the clinical management and treatment of Type-2 diabetes mellitus.

The currently available therapeutics for treating available Type-2 diabetes, although effective, have recognized limitations. Compounds based on sulfonylureas (e.g. tolbutamide, glipizide, etc.), which stimulate the pancreatic beta-cells to secrete more insulin, are limited by the development of inhibitor resistant tissues, causing them to become inefficient or ineffective, even at high doses. Biguanide compounds, on the other hand, increase insulin sensitivity so as to cause correction of hyperglycemia to some extent. However, clinically used biguanides such as phenformin and metformin can induce side-effects such as lactic acidosis, nausea and diarrhea.

The more recent glitazone-type compounds (i.e. 5-benzylthiazolidine-2,4-diones) substantially increase insulin sensitivity in muscle, liver and adipose tissue resulting in either partial or complete correction of the elevated plasma levels of glucose without occurrence of hypoglycemia. Currently used glitazones are agonists of the peroxisome proliferator activated receptor (PPAR), which is attributed to be responsible for their improved insulin sensitization. However, serious side effects (e.g. liver toxicity) have been known to occur with some glitazones such as, for example, troglitazone. Compounds that are inhibitors of the dipeptidyl peptidase-IV (“DPP-IV”, “DPP-4” or “DP-IV”) enzyme are also under investigation as drugs that may be useful in the treatment of diabetes, and particularly Type-2 diabetes. See for example, WO 97/40832, WO 98/19998, and U.S. Pat. No. 5,939,560.

DPP-IV is a membrane bound non-classical serine aminodipeptidase which is located in a variety of tissues (intestine, liver, lung, kidney) as well as on circulating T-lymphocytes (where the enzyme is known as CD-26). It is responsible for the metabolic cleavage of certain endogenous peptides (GLP-1(7-36), glucagon) in vivo and has demonstrated proteolytic activity against a variety of other peptides (e.g. GHRH, NPY, GLP-2, VIP) in vitro.

The usefulness of DPP-IV inhibitors in the treatment of Type-2 diabetes is based on the fact that DPP-IV in vivo readily inactivates glucagon like peptide-1 (GLP-1) and gastric inhibitory peptide (GIP). GLP-1 (7-36) is a 29 amino-acid peptide derived by post-translational processing of proglucagon in the small intestine. GLP-1(7-36) has multiple actions in vivo including the stimulation of insulin secretion, inhibition of glucagon secretion, the promotion of satiety, and the slowing of gastric emptying. Based on its physiological profile, the actions of GLP-1(7-36) are expected to be beneficial in the prevention and treatment of Type-2 diabetes, and potentially obesity. To support this claim, exogenous administration of GLP-1(7-36) (continuous infusion) in diabetic patients has demonstrated efficacy in this patient population. GLP-1(7-36) is degraded rapidly in vivo and has been shown to have a short half-life in vivo (t1/2 of about 1.5 min). Based on a study of genetically bred DPP-IV KO mice and on in vivo/in vitro studies with selective DPP-IV inhibitors, DPP-IV has been shown to be the primary degrading enzyme of GLP-1(7-36) in vivo. GLP-1(7-36) is degraded by DPP-IV efficiently to GLP-1(9-36), which has been speculated to act as a physiological antagonist to GLP-1(7-36). Inhibition of DPP-IV in vivo should, therefore, potentiate endogenous levels of GLP-1(7-36) and attenuate formation of its antagonist GLP-1(9-36) and serve to ameliorate the diabetic condition.

GLP-1 and GIP are incretins that are produced upon ingestion of food, and which stimulate production of insulin. Inhibition of DPP-IV causes decreased inactivation of the incretins, which in turn, results in an increase in their effectiveness in stimulating pancreatic production of insulin. DPP-IV inhibition therefore, results in an increase in the level of serum insulin. Since the incretins are produced upon consumption of food only, DPP-IV inhibition is not expected to increase insulin levels when not required, thereby precluding excessive lowering of blood sugar (hypoglycemia). Inhibition of DPP-IV, is therefore, is expected to increase insulin levels without increasing the risk of hypoglycemia, thereby lowering deleterious side effects associated with currently used insulin secretagogues. Although DPP-IV inhibitors have not been studied extensively as therapeutics for diseases other than diabetes, they are expected to have other potential therapeutic utilities.

SUMMARY OF THE INVENTION

The present invention relates to a class of pyrrolidine-based inhibitors of dipeptidyl peptidase-IV (DPP-IV). In particular, the present invention provides a new class of pyrrolidine and thiazolidine DPP-IV inhibiting compounds (“DPP-IV inhibitors”).

One aspect of the present invention includes a compound of formula (I):

A-B-D (I)

and all stereoisomers, diastereomers, racemic mixtures and pharmaceutically acceptable salts thereof and all polymorphs; wherein A is:

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B is:

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and D is:

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wherein

E and G are independently 6-membered aryl, or 5-membered heteroaryl or 6-membered heteroaryl;

E may be substituted with one or more R¹groups;

G may be substituted with one or more R²groups;

X and Y are divalent and are each independently: a bond, CR⁴R⁵, O, NR⁴, S, S═O, S(═O)₂, C(═O), (C═O)N(R⁴), S(═O)₂N(R⁴), C═N—OR⁴, —C(R⁴R⁵)C(R⁴R⁵)—, —C(R⁴R⁵)C(R⁴R⁵)C(R⁴R⁵)—, —C(R⁴R⁵)C(R⁴R⁵)C(R⁴R⁵)C(R⁴R⁵)—, —C(R⁴)═C(R⁵)—, —C(R⁴R⁵)NR⁴—, —C(R⁴R⁵)O—, —C(R⁴R⁵)S(═O)_t—, —(C═O)O—, —(C═NR^a)N(R⁴)—, —(C═NR^a)—, N(C═O)NR⁴NR⁵, N(C═O)R⁴, N(C═O)OR⁴, NS(═O)₂NR⁴NR⁵, NS(═O)₂R⁴; or aryl, heteroaryl, cycloalkyl or heterocyclic ring, all of which may be optionally substituted;

R¹and R²are each independently: halogen, CF₃, COR⁴, OR⁴, NR⁴R⁵, NO₂, CN, SO₂OR⁴, CO₂R⁴, CONR⁴R⁵, CO₂H, SO₂NR⁴R⁵, S(O)_tR⁴, SO₃H, OC(O)R⁴, OC(O)NR⁴R⁵, NR⁴C(O)R⁵, NR⁴CO₂R⁵, (C₀-C₆)-alkyl-C(═NR^a)NHR⁴, (C₀-C₆)-alkyl-C(═NR⁴)NHR^a, (C₀-C₆)-alkyl-NR⁴C(═NR⁴)NR⁴R⁵, (C₀-C₆)-alkyl-C(O)OR⁴, (C₀-C₆)-alkyl-C(O)NR⁴R⁵, (C₀-C₆)-alkyl-C(O)—NH—CN, O—(C₀-C₆)-alkyl-C(O)NR⁴R⁵, S(O)_t—(C₀-C₆)-alkyl-C(O)OR⁴, S(O)_t—(C₀-C₆)-alkyl-C(O)NR⁴R⁵, (C₀-C₆)-alkyl-C(O)NR⁴—(C₀-C₆)-alkyl-NR⁴R⁵, (C₀-C₆)-alkyl-NR⁴R⁵, (C₀-C₆)-alkyl-NR⁴—C(O)R⁵, (C₀-C₆)-alkyl-NR⁴—C(O)OR⁴, (C₀-C₆)-alkyl-NR⁴—C(O)—NR⁴R⁵, (C₀-C₆)-alkyl-NR⁴—SO₂NR⁴R⁵, (C₀-C₆)-alkyl-NR⁴—SO₂R⁴, hydrogen, alkyl, cycloalkyl, cycloalkylalkyl, heterocycloalkyl, fluoroalkyl, heterocycloalkylalkyl, haloalkyl, alkenyl, alkynyl, aryl, heteroaryl, arylalkyl, heteroarylalkyl, alkoxyalkyl or aminoalkyl, wherein alkyl, cycloalkyl, cycloalkylalkyl, heterocycloalkyl, fluoroalkyl, heterocycloalkylalkyl, alkenyl, alkynyl, aryl, heteroaryl, arylalkyl, heteroarylalkyl, alkoxyalkyl and aminoalkyl all of which may be optionally substituted;

R³is absent or is halogen, CF₃, COR⁴, OR⁴, NR⁴R⁵, NO₂, CN, SO₂OR⁴, CO₂R⁴, CONR⁴R⁵, CO₂H, SO₂NR⁴R⁵, S(O)_tR⁴, SO₃H, OC(O)R⁴, OC(O)NR⁴R⁵, NR⁴C(O)R⁵, NR⁴CO₂R⁵, (C₀-C₆)-alkyl-C(═NR^a)NHR⁴, (C₀-C₆)-alkyl-C(═NR⁴)NHR^a, (C₀-C₆)-alkyl-NR⁴C(═NR⁴)NR⁴R⁵, (C₀-C₆)-alkyl-C(O)OR⁴, (C₀-C₆)-alkyl-C(O)NR⁴R⁵, (C₀-C₆)-alkyl-C(O)—NH—CN, O—(C₀-C₆)-alkyl-C(O)NR⁴R⁵, S(O)_t—(C₀-C₆)-alkyl-C(O)OR⁴, S(O)_t—(C₀-C₆)-alkyl-C(O)NR⁴R⁵, (C₀-C₆)-alkyl-C(O)NR⁴—(C₀-C₆)-alkyl-NR⁴R⁵, (C₀-C₆)-alkyl-NR⁴R⁵, (C₀-C₆)-alkyl-NR⁴—C(O)R⁵, (C₀-C₆)-alkyl-NR⁴—C(O)OR⁴, (C₀-C₆)-alkyl-NR⁴—C(O)—NR⁴R⁵, (C₀-C₆)-alkyl-NR⁴—SO₂NR⁴R⁵, (C₀-C₆)-alkyl-NR⁴—SO₂R⁴, hydrogen, alkyl, cycloalkyl, cycloalkylalkyl, heterocycloalkyl, fluoroalkyl, heterocyclyl, heterocycloalkylalkyl, haloalkyl, alkenyl, alkynyl, aryl, heteroaryl, arylalkyl, heteroarylalkyl, alkoxyalkyl or aminoalkyl, wherein alkyl, cycloalkyl, cycloalkylalkyl, heterocycloalkyl, fluoroalkyl, heterocycloalkylalkyl, alkenyl, alkynyl, aryl, heteroaryl, arylalkyl, heteroarylalkyl, alkoxyalkyl and aminoalkyl all of which may be optionally substituted;

R^ais hydrogen, CN, NO₂, alkyl, haloalkyl, S(O)_tNR⁴R⁵, S(O)_tR⁴, C(O)OR⁴, C(O)R⁴, or C(O)NR⁴R⁵; each occurrence of R⁴, R⁵, R²⁰and R²¹are each independently: hydrogen, alkyl, cycloalkyl, cycloalkylalkyl, heterocycloalkyl, fluoroalkyl, heterocycloalkylalkyl, alkynyl, aryl, heteroaryl, arylalkyl, heteroarylalkyl or aminoalkyl, wherein alkyl, cycloalkyl, cycloalkylalkyl, heterocycloalkyl, fluoroalkyl, heterocycloalkylalkyl, alkenyl, alkynyl, aryl, heteroaryl, arylalkyl, heteroarylalkyl and aminoalkyl are all optionally substituted, or R⁴and R⁵when taken together with the nitrogen to which they are attached complete a 3- to 8-membered ring containing carbon atoms and may optionally contain a heteroatom selected from O, S, or NR⁵⁰and the 3- to 8-membered ring may be optionally substituted;

R⁵⁰is, in each occurrence, R²⁰, CN, NO₂, S(O)_tNR²⁰R²¹, S(O)_tR²⁰, C(O)OR²⁰, C(O)R²⁰C(═NR^a)NR²⁰R²¹, C(═NR²⁰)NR²¹R^a, C(═NOR²⁰)R²¹or C(O)NR²⁰R²¹;

each occurrence of R⁷and R⁸are each independently: halogen, CF₃, COR⁴, OR⁴, NR⁴R⁵, NO₂, CN, SO₂OR⁴, CO₂R⁴, CONR⁴R⁵, CO₂H, SO₂NR⁴R⁵, S(O)_tR⁴, SO₃H, OC(O)R⁴, OC(O)NR⁴R⁵, NR⁴C(O)R⁵, NR⁴CO₂R⁵, (C₀-C₆)-alkyl-C(═NR^a)NHR⁴, (C₀-C₆)-alkyl-C(═NR⁴)NHR^a, (C₀-C₆)-alkyl-NR⁴C(═NR⁴)NR⁴R⁵, (C₀-C₆)-alkyl-C(O)OR⁴, (C₀-C₆)-alkyl-C(O)NR⁴R⁵, (C₀-C₆)-alkyl-C(O)—NH—CN, O—(C₀-C₆)-alkyl -C(O)NR⁴R⁵, S(O)_t—(C₁-C₆)-alkyl-C(O)OR⁴, S(O)_t—(C₀-C₆)-alkyl-C(O)NR⁴R⁵, (C₀-C₆) -alkyl-C(O)NR⁴—(C₀-C₆)-alkyl-NR⁴R⁵, (C₀-C₆)-alkyl-NR⁴R⁵, (C₀-C₆)-alkyl-NR⁴—C(O)R⁵, (C₀-C₆)-alkyl-NR⁴—C(O)OR⁴, (C₀-C₆)-alkyl-NR⁴—C(O)—NR⁴R⁵, (C₀-C₆)-alkyl-NR⁴—SO₂NR⁴R⁵, (C₀-C₆)-alkyl-NR⁴—SO₂R⁴, hydrogen, alkyl, cycloalkyl, cycloalkylalkyl, heterocycloalkyl, fluoroalkyl, heterocycloalkylalkyl, haloalkyl, alkenyl, alkynyl, aryl, heteroaryl, arylalkyl, heteroarylalkyl, alkoxyalkyl or aminoalkyl, wherein alkyl, cycloalkyl, cycloalkylalkyl, heterocycloalkyl, fluoroalkyl, heterocycloalkylalkyl, alkenyl, alkynyl, aryl, heteroaryl, arylalkyl, heteroarylalkyl, alkoxyalkyl and aminoalkyl are all optionally substituted;

R⁹is H or C_1-6alkyl;

R¹⁰is halogen, CF₃, COR⁴, OR⁴, NR⁴R⁵, NO₂, CN, SO₂OR⁴, CO₂R⁴, CONR⁴R⁵, CO₂H, SO₂NR⁴R⁵, S(O)_tR⁴, SO₃H, OC(O)R⁴, OC(O)NR⁴R⁵, NR⁴C(O)R⁵, NR⁴CO₂R⁵, (C₀-C₆)-alkyl -C(═NR^a)NHR⁴, (C₀-C₆)-alkyl-C(═NR⁴)NHR^a, (C₀-C₆)-alkyl-NR⁴C(═NR⁴)NR⁴R⁵, (C₀-C₆)-alkyl-C(O)OR⁴, (C₀-C₆)-alkyl-C(O)NR⁴R⁵, (C₀-C₆)-alkyl-C(O)—NH—CN, O—(C₀-C₆)-alkyl-C(O)NR⁴R⁵, S(O)_t—(C₀-C₆)-alkyl-C(O)OR⁴, S(O)_t—(C₀-C₆)-alkyl-C(O)NR⁴R⁵, (C₁-C₆)-alkyl-C(O)NR⁴—(C₀-C₆)-alkyl-NR⁴R⁵, (C₀-C₆)-alkyl-NR⁴R⁵, (C₀-C₆)-alkyl-NR⁴—C(O)R⁵, (C₀-C₆)-alkyl-NR⁴—C(O)OR⁴, (C₀-C₆)-alkyl-NR⁴—C(O)—NR⁴R⁵, (C₀-C₆) -alkyl-NR⁴—SO₂NR⁴R⁵, (C₀-C₆)-alkyl-NR⁴—SO₂R⁴, hydrogen, B(OH)₂, alkyl, cycloalkyl, cycloalkylalkyl, heterocycloalkyl, fluoroalkyl, heterocycloalkylalkyl, haloalkyl, alkenyl, alkynyl, aryl, heteroaryl, arylalkyl, heteroarylalkyl, alkoxyalkyl or aminoalkyl, wherein alkyl, cycloalkyl, cycloalkylalkyl, heterocycloalkyl, fluoroalkyl, heterocycloalkylalkyl, alkenyl, alkynyl, aryl, heteroaryl, arylalkyl, heteroarylalkyl, alkoxyalkyl and aminoalkyl are all optionally substituted;

R¹¹and R¹²are each independently: halogen, CF₃, COR⁴, OR⁴, NR⁴R⁵, NO₂, CN, SO₂OR⁴, CO₂R⁴, CONR⁴R⁵, CO₂H, SO₂NR⁴R⁵, S(O)_tR⁴, SO₃H, OC(O)R⁴, OC(O)NR⁴R⁵, NR⁴C(O)R⁵, NR⁴CO₂R⁵, (C₀-C₆)-alkyl-C(═NR^a)NHR⁴, (C₀-C₆)-alkyl-C(═NR⁴)NHR^a, (C₀-C₆)-alkyl-NR⁴C(═NR⁴)NR⁴R⁵, (C₀-C₆)-alkyl-C(O)OR⁴, (C₀-C₆)-alkyl-C(O)NR⁴R⁵, (C₀-C₆)-alkyl-C(O)—NH—CN, O—(C₀-C₆)-alkyl-C(O)NR⁴R⁵, S(O)_t—(C₀-C₆)-alkyl-C(O)OR⁴, S(O)_t—(C₀-C₆)-alkyl-C(O)NR⁴R⁵, (C₀-C₆)-alkyl-C(O)NR⁴—(C₀-C₆)-alkyl-NR⁴R⁵, (C₀-C₆)-alkyl-NR⁴R⁵, (C₀-C₆)-alkyl-NR⁴—C(O)R⁵, (C₀-C₆)-alkyl-NR⁴—C(O)OR⁴, (C₀-C₆)-alkyl-NR⁴—C(O)—NR⁴R⁵, (C₀-C₆)-alkyl-NR⁴—SO₂NR⁴R⁵, (C₀-C₆)-alkyl-NR⁴—SO₂R⁴, hydrogen, alkyl, cycloalkyl, cycloalkylalkyl, heterocycloalkyl, fluoroalkyl, heterocycloalkylalkyl, haloalkyl, alkenyl, alkynyl, aryl, heteroaryl, arylalkyl, heteroarylalkyl, alkoxyalkyl or aminoalkyl, wherein alkyl, cycloalkyl, cycloalkylalkyl, heterocycloalkyl, fluoroalkyl, heterocycloalkylalkyl, alkenyl, alkynyl, aryl, heteroaryl, arylalkyl, heteroarylalkyl, alkoxyalkyl and aminoalkyl are all optionally substituted;

R^13aand R^13bare each independently R⁵or together are ═O;

R^14aand R^14bare each independently R⁵or together are ═O;

R^13cand R^14care each independently R⁵;

Q^ais CH or N;

U is —C(O)—, —C(═NR⁴)—, —(CR⁴R⁵—)_p, NR⁵⁰, S(═O)₂, C(═O), (C═O)N(R⁴), N(R⁴)(C═O), S(═O)₂N(R⁴), N(R⁴)S(═O)₂, C═N—OR⁴, —C(R⁴)═C(R⁵)—, —C(R⁴R⁵)_pNR⁵⁰—, N(R⁵⁰)C(R⁴R⁵)_p, —O—C(R⁴R⁵)—, —C(R⁴R⁵)S(═O)_t—, —(C═O)O—, —(C═NR^a)N(R⁴)—, —(C═NR^a)—, N(C═O)NR NR⁵, N(C═O)R⁴, N(C═O)OR^a, NS(═O)₂NR⁴NR⁴, NS(═O)₂R⁴, or an optionally substituted aryl, heteroaryl, cycloalkyl or heterocyclic ring, all of which may be optionally substituted;

W is —CH₂—, —S—, —CHF— or —CF₂—;

Z is C or N;

m is 1, or 2;

n is 0, 1, or 2;

p is 0 to 6;

q is 0 to 6; and

t is 0, 1, or 2.

Another aspect of the present invention includes a method of preparing a compound of the following formula:

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comprising (a) coupling prolinamide with fumarylchloride to provide a compound of the following formula:

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(b) dehydrating the carboxamides of the compound from step (a) to cyano to provide a compound of formula:

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and (c) cleaving the C═C bond with an oxidizing agent either: (1) in the presence of methanol, and then adding a reducing agent to the reaction mixture, or (2) and reacting the cleavage products with a reducing agent and subsequently adding methanol to the cleavage product mixture.

A further aspect of the present invention provides a method of preparing a compound of the following formula:

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comprising: (a) coupling a compound of formula:

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with fumaryl chloride to provide a compound of formula

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(b) dehydrating the carboxamide in the compound from step (a) to provide a compound of formula:

Another aspect of the present invention provides a compound of formula A compound of formula (I):

A-B-D (I)

wherein A is:

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B is:

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and

D is:

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wherein

E and G are independently selected from 6-membered aryl, 5-membered heteroaryl, 6-membered heteroaryl, and 5-6-membered saturated or partially saturated carbocyclic or heterocyclic rings;

E may be substituted with one or more R¹groups;

G may be substituted with one or more R²groups;

R¹and R²are independently: halogen, CF₃, COR⁴, OR⁴, NR⁴R⁵, NO₂, CN, SO₂OR⁴, CO₂R⁴, CONR⁴R⁵, CO₂H, SO₂NR⁴R⁵, S(O)_tR⁴, SO₃H, OC(O)R⁴, OC(O)NR⁴R⁵, NR⁴C(O)R⁵, NR⁴CO₂R⁵, (C₀-C₆)-alkyl-C(═NR^a)NHR⁴, (C₀-C₆)-alkyl-C(═NR⁴)NHR^a, (C₀-C₆)-alkyl-NR⁴C(═NR⁴)NR⁴R⁵, (C₀-C₆)-alkyl-C(O)OR⁴, (C₀-C₆)-alkyl-C(O)NR⁴R⁵, (C₀-C₆)-alkyl-C(O)—NH—CN, O—(C₀-C₆)-alkyl-C(O)NR⁴R⁵, S(O)_t—(C₀-C₆)-alkyl-C(O)OR⁴, S(O)_t—(C₀-C₆)-alkyl-C(O)NR⁴R⁵, (C₀-C₆)-alkyl-C(O)NR⁴—(C₀-C₆)-alkyl-NR⁴R⁵, (C₀-C₆)-alkyl-NR⁴R⁵, (C₀-C₆)-alkyl-NR⁴—C(O)R⁵, (C₀-C₆)-alkyl-NR⁴—C(O)OR⁴, (C₀-C₆)-alkyl-NR⁴—C(O)—NR⁴R⁵, (C₀-C₆)-alkyl-NR⁴—SO₂NR⁴R⁵, (C₀-C₆)-alkyl-NR⁴—SO₂R⁴, hydrogen, alkyl, cycloalkyl, cycloalkylalkyl, heterocycloalkyl, fluoroalkyl, heterocycloalkylalkyl, haloalkyl, alkenyl, alkynyl, aryl, heteroaryl, arylalkyl, heteroarylalkyl, alkoxyalkyl or aminoalkyl, wherein alkyl, cycloalkyl, cycloalkylalkyl, heterocycloalkyl, fluoroalkyl, heterocycloalkylalkyl, alkenyl, alkynyl, aryl, heteroaryl, arylalkyl, heteroarylalkyl, alkoxyalkyl and aminoalkyl are all optionally substituted;

R³is absent or is halogen, CF₃, COR⁴, OR⁴, NR⁴R⁵, NO₂, CN, SO₂OR⁴, CO₂R⁴, CONR⁴R⁵, CO₂H, SO₂NR⁴R⁵, S(O)_tR⁴, SO₃H, OC(O)R⁴, OC(O)NR⁴R⁵, NR⁴C(O)R⁵, NR⁴CO₂R⁵, (C₀-C₆)-alkyl-C(═NR^a)NHR⁴, (C₀-C₆)-alkyl-C(═NR⁴)NHR^a, (C₀-C₆)-alkyl-NR⁴C(═NR⁴)NR⁴R⁵, (C₀-C₆)-alkyl-C(O)OR⁴, (C₀-C₆)-alkyl-C(O)NR⁴R⁵, (C₀-C₆)-alkyl-C(O)—NH—CN, O—(C₀-C₆)-alkyl-C(O)NR⁴R⁵, S(O)_t—(C₀-C₆)-alkyl-C(O)OR⁴, S(O)_t—(C₀-C₆)-alkyl-C(O)NR⁴R⁵, (C₀-C₆)-alkyl-C(O)NR⁴—(C₀-C₆)-alkyl-NR⁴R⁵, (C₀-C₆)-alkyl-NR⁴R⁵, (C₀-C₆)-alkyl-NR⁴—C(O)R⁵, (C₀-C₆)-alkyl-NR⁴—C(O)OR⁴, (C₀-C₆)-alkyl-NR⁴—C(O)—NR⁴R⁵, (C₀-C₆)-alkyl-NR⁴—SO₂NR⁴R⁵, (C₀-C₆)-alkyl-NR⁴—SO₂R⁴, hydrogen, alkyl, cycloalkyl, cycloalkylalkyl, heterocycloalkyl, fluoroalkyl, heterocycloalkylalkyl, haloalkyl, alkenyl, alkynyl, aryl, heteroaryl, arylalkyl, heteroarylalkyl, alkoxyalkyl or aminoalkyl, wherein alkyl, cycloalkyl, cycloalkylalkyl, heterocycloalkyl, fluoroalkyl, heterocycloalkylalkyl, alkenyl, alkynyl, aryl, heteroaryl, arylalkyl, heteroarylalkyl, alkoxyalkyl and aminoalkyl are all optionally substituted;

R^ais hydrogen, CN, NO₂, alkyl, haloalkyl, S(O)_tNR⁴R⁵, S(O)_tR⁴, C(O)OR⁴, C(O)R⁴, or C(O)NR⁴R⁵;

each occurrence of R⁴, R⁵, R²⁰and R²¹are each independently: hydrogen, alkyl, cycloalkyl, cycloalkylalkyl, heterocycloalkyl, fluoroalkyl, heterocycloalkylalkyl, alkynyl, aryl, heteroaryl, arylalkyl, heteroarylalkyl or aminoalkyl, wherein alkyl, cycloalkyl, cycloalkylalkyl, heterocycloalkyl, fluoroalkyl, heterocycloalkylalkyl, alkenyl, alkynyl, aryl, heteroaryl, arylalkyl, heteroarylalkyl and aminoalkyl are all optionally substituted, or R⁴and R⁵when taken together with the nitrogen to which they are attached complete a 3- to 8-membered ring containing carbon atoms and may be optionally containing a heteroatom selected from O, S, or NR⁵⁰and the 3- to 8-membered ring may be optionally substituted;

R⁵⁰is, in each occurrence, R²⁰, CN, NO₂, S(O)_tNR²⁰R²¹, S(O)_tR²⁰, C(O)OR²⁰, C(O)R²⁰C(═NR^a)NR²⁰R²¹, C(═NR²⁰)NR²¹R^a, C(═NOR²⁰)R²¹or C(O)NR²⁰R²¹;

R⁹is H or C_1-6alkyl;

R¹⁰is halogen, CF₃, COR⁴, OR⁴, NR⁴R⁵, NO₂, CN, SO₂OR⁴, CO₂R⁴, CONR⁴R⁵, CO₂H, SO₂NR⁴R⁵, S(O)_tR⁴, SO₃H, OC(O)R⁴, OC(O)NR⁴R⁵, NR⁴C(O)R⁵, NR⁴CO₂R⁵, (C₀-C₆)-alkyl-C(═NR^a)NHR⁴, (C₀-C₆)-alkyl-C(═NR⁴)NHR^a, (C₀-C₆)-alkyl-NR⁴C(═NR⁴)NR⁴R⁵, (C₀-C₆)-alkyl-C(O)OR⁴, (C₀-C₆)-alkyl-C(O)NR⁴R⁵, (C₀-C₆)-alkyl-C(O)—NH—CN, O—(C₀-C₆)-alkyl-C(O)NR⁴R⁵, S(O)_t—(C₀-C₆)-alkyl-C(O)OR⁴, S(O)_t—(C₀-C₆)-alkyl-C(O)NR⁴R⁵, (C₀-C₆)-alkyl-C(O)NR⁴—(C₀-C₆)-alkyl-NR⁴R⁵, (C₀-C₆)-alkyl-NR⁴R⁵, (C₀-C₆)-alkyl-NR⁴—C(O)R⁵, (C₀-C₆)-alkyl-NR⁴—C(O)OR⁴, (C₀-C₆)-alkyl-NR⁴—C(O)—NR⁴R⁵, (C₀-C₆) -alkyl-NR⁴—SO₂NR⁴R⁵, (C₀-C₆)-alkyl-NR⁴—SO₂R⁴, hydrogen, B(OH)₂, alkyl, cycloalkyl, cycloalkylalkyl, heterocycloalkyl, fluoroalkyl, heterocycloalkylalkyl, haloalkyl, alkenyl, alkynyl, aryl, heteroaryl, arylalkyl, heteroarylalkyl, alkoxyalkyl or aminoalkyl, wherein alkyl, cycloalkyl, cycloalkylalkyl, heterocycloalkyl, fluoroalkyl, heterocycloalkylalkyl, alkenyl, alkynyl, aryl, heteroaryl, arylalkyl, heteroarylalkyl, alkoxyalkyl and aminoalkyl all may be optionally substituted;

R¹¹and R¹²are each independently: halogen, CF₃, COR⁴, OR⁴, NR⁴R⁵, NO₂, CN, SO₂OR⁴, CO₂R⁴, CONR⁴R⁵, CO₂H, SO₂NR⁴R⁵, S(O)_tR⁴, SO₃H, OC(O)R⁴, OC(O)NR⁴R⁵, NR⁴C(O)R⁵, NR⁴CO₂R⁵, (C₀-C₆)-alkyl-C(═NR^a)NHR⁴, (C₀-C₆)-alkyl-C(═NR⁴)NHR^a, (CO—C₆) -alkyl-NR⁴C(═NR⁴)NR⁴R⁵, (C₀-C₆)-alkyl-C(O)OR⁴, (C₀-C₆)-alkyl-C(O)NR⁴R⁵, (C₀-C₆)-alkyl-C(O)—NH—CN, O—(C₀-C₆)-alkyl-C(O)NR⁴R⁵, S(O)_t—(C₀-C₆)-alkyl-C(O)OR⁴, S(O)_t—(C₀-C₆)-alkyl-C(O)NR⁴R⁵, (C₀-C₆)-alkyl-C(O)NR⁴—(C₀-C₆)-alkyl-NR⁴R⁵, (C₀-C₆)-alkyl-NR⁴R⁵, (C₀-C₆)-alkyl-NR⁴—C(O)R⁵, (C₀-C₆)-alkyl-NR⁴—C(O)OR⁴, (C₀-C₆)-alkyl-NR⁴—C(O)—NR⁴R⁵, (C₀-C₆)-alkyl-NR⁴—SO₂NR⁴R⁵, (C₀-C₆)-alkyl-NR⁴—SO₂R⁴, hydrogen, alkyl, cycloalkyl, cycloalkylalkyl, heterocycloalkyl, fluoroalkyl, heterocycloalkylalkyl, haloalkyl, alkenyl, alkynyl, aryl, heteroaryl, arylalkyl, heteroarylalkyl, alkoxyalkyl or aminoalkyl, wherein alkyl, cycloalkyl, cycloalkylalkyl, heterocycloalkyl, fluoroalkyl, heterocycloalkylalkyl, alkenyl, alkynyl, aryl, heteroaryl, arylalkyl, heteroarylalkyl, alkoxyalkyl and aminoalkyl all may be optionally substituted;

R^13aand R^13bare each independently R⁵or together are ═O;

R^14aand R^14bare each independently R⁵or together are ═O;

R^13cand R^14care each independently R⁵;

Q^ais CH or N;

U is —C(O)—, —C(═NR⁴)—, —(CR⁴R⁵—)_p, NR⁵⁰, S(═O)₂, C(═O), (C═O)N(R⁴), N(R⁴)(C═O), S(═O)₂N(R⁴), N(R⁴)S(═O)₂, C═N—OR⁴, —C(R⁴)═C(R⁵)—, —C(R⁴R⁵)_pNR⁵⁰—, N(R⁵⁰)C(R⁴R⁵)_p—, —O—C(R⁴R⁵)—, —C(R⁴R⁵)S(═O)_t—, —(C═O)O—, —(C═NR^a)N(R⁴)—, —(C═NR^a)—, N(C═O)NR⁴NR⁵, N(C═O)R⁴, N(C═O)OR⁴, NS(═O)₂NR⁴NR⁵, NS(═O)₂R⁴, or an optionally substituted aryl, heteroaryl, cycloalkyl or heterocyclic ring, all of which may be optionally substituted;

W is —CH₂—, —S—, —CHF— or —CF₂—;

Z is C or N;

m is 1, or 2;

n is 0, 1, or 2;

p is 0 to 6;

q is 0 to 6; and

t is 0, 1, or 2

wherein: when E and G are both phenyl either:

(1) at least one of R¹or R²is present and is:

CF₃, COR⁴, OR⁴, NR⁴R⁵, NO₂, CN, SO₂₀R⁴, CO₂R⁴, CONR⁴R⁵, CO₂H, SO₂NR⁴R⁵, S(O)_tR⁴, SO₃H, OC(O)R⁴, OC(O)NR⁴R⁵, NR⁴C(O)R⁵, NR⁴CO₂R⁵, (C₀-C₆)-alkyl-C(═NR^a)NHR⁴, (C₀-C₆)-alkyl-C(═NR⁴)NHR^a, (C₀-C₆)-alkyl-NR⁴C(═NR⁴)NR⁴R⁵, (C₀-C₆)-alkyl-C(O)OR⁴, (C₀-C₆)-alkyl-C(O)NR⁴R⁵, (C₀-C₆)-alkyl-C(O)—NH—CN, O—(C₀-C₆)-alkyl-C(O)NR⁴R⁵, S(O)_t—(C₀-C₆)-alkyl -C(O)OR⁴, S(O)_t—(C₀-C₆)-alkyl-C(O)NR⁴R⁵, (C₀-C₆) -alkyl-C(O)NR⁴—(C₀-C₆)-alkyl-NR⁴R⁵, (C₀-C₆)-alkyl-NR⁴R⁵, (C₀-C₆)-alkyl-NR⁴—C(O)R⁵, (C₀-C₆)-alkyl-NR⁴—C(O)OR⁴, (C₀-C₆) -alkyl-NR⁴—C(O)—NR⁴R⁵, (C₀-C₆)-alkyl-NR⁴—SO₂NR⁴R⁵, (C₀-C₆)-alkyl-NR⁴—SO₂R⁴, hydrogen, (C_5-20)alkyl, cycloalkyl, cycloalkylalkyl, heterocycloalkyl, fluoroalkyl, heterocycloalkylalkyl, haloalkyl, alkenyl, alkynyl, aryl, heteroaryl, arylalkyl, heteroarylalkyl, alkoxyalkyl or aminoalkyl, wherein alkyl, cycloalkyl, cycloalkylalkyl, heterocycloalkyl, fluoroalkyl, heterocycloalkylalkyl, alkenyl, alkynyl, aryl, heteroaryl, arylalkyl, heteroarylalkyl, alkoxyalkyl and aminoalkyl are all optionally substituted; and wherein OR⁴is alkoxy, OR⁴is (C_5-20) alkoxy; or (2) and when B is (b) R⁷and R⁸are not selected from hydrogen, hydroxy, hydroxymethyl, and phenyl; or (3) and when B is (b) or (f), R9 is: C_1-6alkyl.

Another aspect of the present invention provides a compound of formula A compound of formula (I):

A-B-D (I)

wherein A is:

embedded image

B is:

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and

D is:

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wherein

E, G, and M include a three ring system wherein M shares two carbon atoms with each of E and G;

E, G and M are each independently selected from a 5-7-membered saturated or partially saturated carbocyclic ring, a 5-7 membered saturated or partially saturated heterocyclic ring, a 5-6-membered aromatic ring, and a 5-6-membered heteroaromatic ring;

E may be substituted with one or more R¹groups;

G may be substituted with one or more R²groups;

R³is absent or is halogen, CF₃, COR⁴, OR⁴, NR⁴R⁵, NO₂, CN, SO₂OR⁴, CO₂R⁴, CONR⁴R⁵, CO₂H, SO₂NR⁴R⁵, S(O)_tR⁴, SO₃H, OC(O)R⁴, OC(O)NR⁴R⁵, NR⁴C(O)R⁵, NR⁴CO₂R⁵, (C₀-C₆)-alkyl-C(═NR^a)NHR⁴, (C₀-C₆)-alkyl-C(═NR⁴)NHR^a, (C₀-C₆)-alkyl-NR⁴C(═NR⁴)NR⁴R⁵, (C₀-C₆)-alkyl-C(O)OR⁴, (C₀-C₆)-alkyl-C(O)NR⁴R⁵, (C₀-C₆)-alkyl-C(O)—NH—CN, O—(C₀-C₆)-alkyl-C(O)NR⁴R⁵, S(O)_t—(C₀-C₆)-alkyl-C(O)OR⁴, S(O)_t—(C₀-C₆)-alkyl-C(O)NR⁴R⁵, (C₀-C₆)-alkyl-C(O)NR⁴—(C₀-C₆)-alkyl-NR⁴R⁵, (C₀-C₆)-alkyl-NR⁴R⁵, (C₀-C₆)-alkyl-NR⁴—C(O)R⁵, (C₀-C₆)-alkyl-NR⁴—C(O)OR⁴, (C₀-C₆)-alkyl-NR⁴—C(O)—NR⁴R⁵, (C₀-C₆)-alkyl-NR⁴—SO₂NR⁴R⁵, (C₀-C₆)-alkyl-NR⁴—SO₂R⁴, hydrogen, alkyl, cycloalkyl, cycloalkylalkyl, heterocycloalkyl, fluoroalkyl, heterocycloalkylalkyl, haloalkyl, alkenyl, alkynyl, aryl, heteroaryl, arylalkyl, heteroarylalkyl, alkoxyalkyl or aminoalkyl, wherein alkyl, cycloalkyl, cycloalkylalkyl, heterocycloalkyl, fluoroalkyl, heterocycloalkylalkyl, alkenyl, alkynyl, aryl, heteroaryl, arylalkyl, heteroarylalkyl, alkoxyalkyl and aminoalkyl are all optionally substituted;

R^ais hydrogen, CN, NO₂, alkyl, haloalkyl, S(O)_tNR⁴R⁵, S(O)_tR⁴, C(O)OR⁴, C(O)R⁴, or C(O)NR⁴R⁵;

R⁵⁰is, in each occurrence, R²⁰, CN, NO₂, S(O)_tNR²⁰R²¹, S(O)_tR²⁰, C(O)OR²⁰, C(O)R²⁰C(═NR^a)NR²⁰R²¹, C(═NR²⁰)NR²¹R^a, C(═NOR²⁰)R²¹or C(O)NR²⁰R²¹;

each occurrence of R⁷and R⁸are each independently: halogen, CF₃, COR⁴, OR⁴, NR⁴R⁵, NO₂, CN, SO₂OR⁴, CO₂R⁴, CONR⁴R⁵, CO₂H, SO₂NR⁴R⁵, S(O)_tR⁴, SO₃H, OC(O)R⁴, OC(O)NR⁴R⁵, NR⁴C(O)R⁵, NR⁴CO₂R⁵, (C₀-C₆)-alkyl-C(═NR^a)NHR⁴, (C₀-C₆)-alkyl-C(═NR⁴)NHR^a, (C₀-C₆)-alkyl-NR⁴C(═NR⁴)NR⁴R⁵, (C₀-C₆)-alkyl-C(O)OR⁴, (C₀-C₆)-alkyl-C(O)NR⁴R⁵, (C₀-C₆)-alkyl-C(O)—NH—CN, O—(C₀-C₆)-alkyl -C(O)NR⁴R⁵, S(O)_t—(C₀-C₆)-alkyl-C(O)OR⁴, S(O)_t—(C₀-C₆)-alkyl-C(O)NR⁴R⁵, (C₀-C₆) -alkyl-C(O)NR⁴—(C₀-C₆)-alkyl-NR⁴R⁵, (C₀-C₆)-alkyl-NR⁴R⁵, (C₀-C₆)-alkyl-NR⁴—C(O)R⁵, (C₀-C₆)-alkyl-NR⁴—C(O)OR⁴, (C₀-C₆)-alkyl-NR⁴—C(O)—NR⁴R⁵, (C₀-C₆)-alkyl-NR⁴—SO₂NR⁴R⁵, (C₀-C₆)-alkyl-NR⁴—SO₂R⁴, hydrogen, alkyl, cycloalkyl, cycloalkylalkyl, heterocycloalkyl, fluoroalkyl, heterocycloalkylalkyl, haloalkyl, alkenyl, alkynyl, aryl, heteroaryl, arylalkyl, heteroarylalkyl, alkoxyalkyl or aminoalkyl, wherein alkyl, cycloalkyl, cycloalkylalkyl, heterocycloalkyl, fluoroalkyl, heterocycloalkylalkyl, alkenyl, alkynyl, aryl, heteroaryl, arylalkyl, heteroarylalkyl, alkoxyalkyl and aminoalkyl all may be optionally substituted;

R⁹is H or C_1-6alkyl;

R¹⁰is halogen, CF₃, COR⁴, OR⁴, NR⁴R⁵, NO₂, CN, SO₂OR⁴, CO₂R⁴, CONR⁴R⁵, CO₂H, SO₂NR⁴R⁵, S(O)_tR⁴, SO₃H, OC(O)R⁴, OC(O)NR⁴R⁵, NR⁴C(O)R⁵, NR⁴CO₂R⁵, (C₀-C₆)-alkyl -C(═NR^a)NHR⁴, (C₀-C₆)-alkyl-C(═NR⁴)NHR^a, (C₀-C₆)-alkyl-NR⁴C(═NR⁴)NR⁴R⁵, (C₀-C₆)-alkyl-C(O)OR⁴, (C₀-C₆)-alkyl-C(O)NR⁴R⁵, (C₀-C₆)-alkyl-C(O)—NH—CN, O—(C₀-C₆)-alkyl-C(O)NR⁴R⁵, S(O)_t—(C₀-C₆)-alkyl-C(O)OR⁴, S(O)_t—(C₀-C₆)-alkyl-C(O)NR⁴R⁵, (C₀-C₆)-alkyl-C(O)NR⁴—(CO—C₆) -alkyl-NR⁴R⁵, (C₀-C₆)-alkyl-NR⁴R⁵, (C₀-C₆)-alkyl-NR⁴—C(O)R⁵, (C₀-C₆)-alkyl-NR⁴—C(O)OR⁴, (C₀-C₆)-alkyl-NR⁴—C(O)—NR⁴R⁵, (C₀-C₆) -alkyl-NR⁴—SO₂NR⁴R⁵, (C₀-C₆)-alkyl-NR⁴—SO₂R⁴, hydrogen, B(OH)₂, alkyl, cycloalkyl, cycloalkylalkyl, heterocycloalkyl, fluoroalkyl, heterocycloalkylalkyl, haloalkyl, alkenyl, alkynyl, aryl, heteroaryl, arylalkyl, heteroarylalkyl, alkoxyalkyl or aminoalkyl, wherein alkyl, cycloalkyl, cycloalkylalkyl, heterocycloalkyl, fluoroalkyl, heterocycloalkylalkyl, alkenyl, alkynyl, aryl, heteroaryl, arylalkyl, heteroarylalkyl, alkoxyalkyl and aminoalkyl all may be optionally substituted;

R¹¹and R¹²are each independently: halogen, CF₃, COR⁴, OR⁴, NR⁴R⁵, NO₂, CN, SO₂OR⁴, CO₂R⁴, CONR⁴R⁵, CO₂H, SO₂NR⁴R⁵, S(O)_tR⁴, SO₃H, OC(O)R⁴, OC(O)NR⁴R⁵, NR⁴C(O)R⁵, NR⁴CO₂R⁵, (C₀-C₆)-alkyl-C(═NR^a)NHR⁴, (C₀-C₆)-alkyl-C(═NR⁴)NHR^a, (CO—C₆) -alkyl-NR⁴C(═NR⁴)NR⁴R⁵, (C₀-C₆)-alkyl-C(O)OR⁴, (C₀-C₆)-alkyl-C(O)NR⁴R⁵, (C₀-C₆)-alkyl-C(O)—NH—CN, O—(C₀-C₆)-alkyl-C(O)NR⁴R⁵, S(O)_t—(C₀-C₆)-alkyl-C(O)OR⁴, S(O)_t—(C₀-C₆)-alkyl-C(O)NR⁴R⁵, (C₀-C₆)-alkyl-C(O)NR⁴—(C₀-C₆)-alkyl-NR⁴R⁵, (C₀-C₆)-alkyl-NR⁴R⁵, (C₀-C₆)-alkyl-NR⁴—C(O)R⁵, (C₀-C₆)-alkyl-NR⁴—C(O)OR⁴, (C₀-C₆)-alkyl-NR⁴—C(O)—NR⁴R⁵, (C₀-C₆)-alkyl-NR⁴—SO₂NR⁴R⁵, (C₀-C₆)-alkyl-NR⁴—SO₂R⁴, hydrogen, alkyl, cycloalkyl, cycloalkylalkyl, heterocycloalkyl, fluoroalkyl, heterocycloalkylalkyl, haloalkyl, alkenyl, alkynyl, aryl, heteroaryl, arylalkyl, heteroarylalkyl, alkoxyalkyl or aminoalkyl, wherein alkyl, cycloalkyl, cycloalkylalkyl, heterocycloalkyl, fluoroalkyl, heterocycloalkylalkyl, alkenyl, alkynyl, aryl, heteroaryl, arylalkyl, heteroarylalkyl, alkoxyalkyl and aminoalkyl all may be optionally substituted;

R^13aand R^13bare each independently R⁵or together are ═O;

R^14aand R^14bare each independently R⁵or together are ═O;

R^13cand R^14care each independently R⁵;

Q^ais CH or N;

W is —CH₂—, —S—, —CHF— or —CF₂—;

Z is C or N;

m is 1, or 2;

n is 0, 1, or 2;

p is 0 to 6;

q is 0 to 6; and

t is 0, 1, or 2

wherein: when E and G are both phenyl either:

(1) at least one of R¹or R²is present and is:

CF₃, COR⁴, OR⁴, NR⁴R⁵, NO₂, CN, SO₂OR⁴, CO₂R⁴, CONR⁴R⁵, CO₂H, SO₂NR⁴R⁵, S(O)_tR⁴, SO₃H, OC(O)R⁴, OC(O)NR⁴R⁵, NR⁴C(O)R⁵, NR⁴CO₂R⁵, (C₀-C₆)-alkyl-C(═NR^a)NHR⁴, (C₀-C₆)-alkyl-C(═NR⁴)NHR^a, (C₀-C₆)-alkyl-NR⁴C(═NR⁴)NR⁴R⁵, (C₀-C₆)-alkyl-C(O)OR⁴, (C₀-C₆)-alkyl-C(O)NR⁴R⁵, (C₀-C₆)-alkyl-C(O)—NH—CN, O—(C₀-C₆)-alkyl-C(O)NR⁴R⁵, S(O)_t—(C₀-C₆)-alkyl -C(O)OR⁴, S(O)_t—(C₀-C₆)-alkyl-C(O)NR⁴R⁵, (C₀-C₆) -alkyl-C(O)NR⁴—(C₀-C₆)-alkyl-NR⁴R⁵, (C₀-C₆)-alkyl-NR⁴R⁵, (C₀-C₆)-alkyl-NR⁴—C(O)R⁵, (C₀-C₆)-alkyl-NR⁴—C(O)OR⁴, (C₀-C₆) -alkyl-NR⁴—C(O)—NR⁴R⁵, (C₀-C₆)-alkyl-NR⁴—SO₂NR⁴R⁵, (C₀-C₆)-alkyl-NR⁴—SO₂R⁴, hydrogen, (C_5-20)alkyl, cycloalkyl, cycloalkylalkyl, heterocycloalkyl, fluoroalkyl, heterocycloalkylalkyl, haloalkyl, alkenyl, alkynyl, aryl, heteroaryl, arylalkyl, heteroarylalkyl, alkoxyalkyl or aminoalkyl, wherein alkyl, cycloalkyl, cycloalkylalkyl, heterocycloalkyl, fluoroalkyl, heterocycloalkylalkyl, alkenyl, alkynyl, aryl, heteroaryl, arylalkyl, heteroarylalkyl, alkoxyalkyl and aminoalkyl are all optionally substituted; and wherein OR⁴is alkoxy, OR⁴is (C_5-20) alkoxy; or (2) and when B is (b) R⁷and R⁸are not selected from hydrogen, hydroxy, hydroxymethyl, and phenyl; or (3) and when B is (b) or (f), R9 is: C_1-6alkyl.

Compounds of the present invention having one or more optically active carbons can exist as racemates and racemic mixtures, diasteromeric mixtures and individual diastereomers, enantiomeric mixtures and single enantiomers, tautomers, atropisomers, and rotamers, with all isomeric forms being included in the present invention. Compounds described in this invention containing olefinic double bonds include both E and Z geometric isomers. Also included in this invention are all salt forms, polymorphs, hydrates and solvates. All of the above mentioned compounds are included within the scope of the invention.

The present invention also provides methods of inhibiting the DPP-IV enzyme.

The present invention further provides methods of treatment or prevention of diseases in which the dipeptidyl peptidase-IV enzyme is involved, such as diabetes and particularly Type-2 diabetes.

The present invention also provides methods for obtaining the DPP-IV inhibiting compounds and pharmaceutical compositions comprising them either singly or in combination with one or more additional therapeutic agents for the prevention or treatment of DPP-IV enzyme medicated diseases, particularly Type-2 diabetes.

DETAILED DESCRIPTION OF THE INVENTION
Definitions

The terms “alkyl” or “alk”, as used herein alone or as part of another group, denote optionally substituted, straight and branched chain saturated hydrocarbon groups, preferably having 1 to 10 carbons in the normal chain, most preferably lower alkyl groups. Exemplary unsubstituted such groups include methyl, ethyl, propyl, isopropyl, n-butyl, t-butyl, isobutyl, pentyl, hexyl, isohexyl, heptyl, 4,4-dimethylpentyl, octyl, 2,2,4-trimethylpentyl, nonyl, decyl, undecyl, dodecyl and the like. Exemplary substituents may include, but are not limited to, one or more of the following groups: halo, alkoxy, alkylthio, alkenyl, alkynyl, aryl (e.g., to form a benzyl group), cycloalkyl, cycloalkenyl, hydroxy or protected hydroxy, carboxyl (—COOH), alkyloxycarbonyl, alkylcarbonyloxy, alkylcarbonyl, carbamoyl (NH₂—CO—), substituted carbamoyl ((R⁴)(R⁵)N—CO— wherein R⁴or R⁵are as defined below, except that at least one of R⁴or R⁵is not hydrogen), amino, heterocyclo, mono- or dialkylamino, or thiol (—SH).

The terms “lower alk” or “lower alkyl” as used herein, denote such optionally substituted groups as described above for alkyl having 1 to 4 carbon atoms in the normal chain.

The term “alkoxy” denotes an alkyl group as described above bonded through an oxygen linkage (—O—).

The term “alkenyl”, as used herein alone or as part of another group, denotes optionally substituted, straight and branched chain hydrocarbon groups containing at least one carbon to carbon double bond in the chain, and preferably having 2 to 10 carbons in the normal chain. Exemplary unsubstituted such groups include ethenyl, propenyl, isobutenyl, butenyl, pentenyl, hexenyl, heptenyl, octenyl, nonenyl, decenyl, and the like. Exemplary substituents may include, but are not limited to, one or more of the following groups: halo, alkoxy, alkylthio, alkyl, alkynyl, aryl, cycloalkyl, cycloalkenyl, hydroxy or protected hydroxy, carboxyl (—COOH), alkyloxycarbonyl, alkylcarbonyloxy, alkylcarbonyl, carbamoyl (NH₂—CO—), substituted carbamoyl ((R⁴)(R⁵)N—CO— wherein R⁴or R⁵are as defined below, except that at least one of R⁴or R⁵is not hydrogen), amino, heterocyclo, mono- or dialkylamino, or thiol (—SH).

The term “alkynyl”, as used herein alone or as part of another group, denotes optionally substituted, straight and branched chain hydrocarbon groups containing at least one carbon to carbon triple bond in the chain, and preferably having 2 to 10 carbons in the normal chain. Exemplary unsubstituted such groups include, but are not limited to, ethynyl, propynyl, butynyl, pentynyl, hexynyl, heptynyl, octynyl, nonynyl, decynyl, and the like. Exemplary substituents may include, but are not limited to, one or more of the following groups: halo, alkoxy, alkylthio, alkyl, alkenyl, aryl, cycloalkyl, cycloalkenyl, hydroxy or protected hydroxy, carboxyl (—COOH), alkyloxycarbonyl, alkylcarbonyloxy, alkylcarbonyl, carbamoyl (NH₂—CO—), substituted carbamoyl ((R⁴)(R⁵)N—CO— wherein R⁴or R⁵are as defined below, except that at least one of R⁴or R⁵is not hydrogen), amino, heterocyclo, mono- or dialkylamino, or thiol (—SH).

The term “cycloalkyl”, as used herein alone or as part of another group, denotes optionally substituted, saturated cyclic hydrocarbon ring systems, including bridged ring systems, desirably containing 1 to 3 rings and 3 to 9 carbons per ring. Exemplary unsubstituted such groups include, but are not limited to, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cycloheptyl, cyclooctyl, cyclodecyl, cyclododecyl, and adamantyl. Exemplary substituents include, but are not limited to, one or more alkyl groups as described above, or one or more groups described above as alkyl substituents.

The terms “ar” or “aryl”, as used herein alone or as part of another group, denote optionally substituted, homocyclic aromatic groups, preferably containing 1 or 2 rings and 6 to 12 ring carbons. Exemplary unsubstituted such groups include, but are not limited to, phenyl, biphenyl, and naphthyl. Exemplary substituents include, but are not limited to, one or more nitro groups, alkyl groups as described above or groups described above as alkyl substituents.

The term “heterocycle” or “heterocyclic system” denotes a heterocyclyl, heterocyclenyl, or heteroaryl group as described herein, which contains carbon atoms and from 1 to 4 heteroatoms independently selected from the group consisting of N, O and S and including any bicyclic or tricyclic group in which any of the above-defined heterocyclic rings is fused to one or more heterocycle, aryl or cycloalkyl groups. The nitrogen and sulfur heteroatoms may optionally be oxidized. The heterocyclic ring may be attached to its pendant group at any heteroatom or carbon atom which results in a stable structure. The heterocyclic rings described herein may be substituted on carbon or on a nitrogen atom.

Examples of heterocycles include, but are not limited to, 1H-indazole, 2-pyrrolidonyl, 2H,6H-1,5,2-dithiazinyl, 2H-pyrrolyl, 3H-indolyl, 4-piperidonyl, 4aH-carbazole, 4H-quinolizinyl, 6H-1,2,5-thiadiazinyl, acridinyl, azocinyl, benzimidazolyl, benzofuranyl, benzothiofuranyl, benzothiophenyl, benzoxazolinyl, benzoxazolyl, benzthiazolyl, benztriazolyl, benztetrazolyl, benzisoxazolyl, benzisothiazolyl, benzimidazalonyl, carbazolyl, 4aH-carbazolyl, b-carbolinyl, chromanyl, chromenyl, cinnolinyl, decahydroquinolinyl, 2H,6H-1,5,2-dithiazinyl, dihydrofuro[2,3-b]tetrahydrofuran, furanyl, furazanyl, imidazolidinyl, imidazolinyl, imidazolyl, 1H-indazolyl, indolenyl, indolinyl, indolizinyl, indolyl, isatinoyl, isobenzofuranyl, isochromanyl, isoindazolyl, isoindolinyl, isoindolyl, isoquinolinyl, isothiazolyl, isoxazolyl, morpholinyl, naphthyridinyl, octahydroisoquinolinyl, oxadiazolyl, 1,2,3-oxadiazolyl, 1,2,4-oxadiazolyl, 1,2,5-oxadiazolyl, 1,3,4-oxadiazolyl, oxazolidinyl, oxazolyl, oxazolidinylperimidinyl, oxindolyl, phenanthridinyl, phenanthrolinyl, phenarsazinyl, phenazinyl, phenothiazinyl, phenoxathiinyl, phenoxazinyl, phthalazinyl, piperazinyl, piperidinyl, pteridinyl, piperidonyl, 4-piperidonyl, pteridinyl, purinyl, pyranyl, pyrazinyl, pyrazolidinyl, pyrazolinyl, pyrazolyl, pyridazinyl, pyridooxazole, pyridoimidazole, pyridothiazole, pyridinyl, pyridyl, pyrimidinyl, pyrrolidinyl, pyrrolinyl, pyrrolyl, quinazolinyl, quinolinyl, 4H-quinolizinyl, quinoxalinyl, quinuclidinyl, carbolinyl, tetrahydrofuranyl, tetrahydroisoquinolinyl, tetrahydroquinolinyl, tetrazolyl, 6H-1,2,5-thiadiazinyl, 1,2,3-thiadiazolyl, 1,2,4-thiadiazolyl, 1,2,5-thiadiazolyl, 1,3,4-thiadiazolyl, thianthrenyl, thiazolyl, thienyl, thienothiazolyl, thienooxazolyl, thienoimidazolyl, thiophenyl, triazinyl, 1,2,3-triazolyl, 1,2,4-triazolyl, 1,2,5-triazolyl, 1,3,4-triazolyl, xanthenyl.

“Heterocyclenyl” denotes a non-aromatic monocyclic or multicyclic hydrocarbon ring system of about 3 to about 10 atoms, desirably about 4 to about 8 atoms, in which one or more of the carbon atoms in the ring system is/are hetero element(s) other than carbon, for example nitrogen, oxygen or sulfur atoms, and which contains at least one carbon-carbon double bond or carbon-nitrogen double bond. Ring sizes of rings of the ring system may include 5 to 6 ring atoms. The designation of the aza, oxa or thia as a prefix before heterocyclenyl define that at least a nitrogen, oxygen or sulfur atom is present respectively as a ring atom. The heterocyclenyl may be optionally substituted by one or more substituents as defined herein. The nitrogen or sulphur atom of the heterocyclenyl may also be optionally oxidized to the corresponding N-oxide, S-oxide or S,S-dioxide. “Heterocyclenyl” as used herein includes by way of example and not limitation those described in Paquette, Leo A.; “Principles of Modern Heterocyclic Chemistry” (W. A. Benjamin, New York, 1968), particularly Chapters 1, 3, 4, 6, 7, and 9; “The Chemistry of Heterocyclic Compounds, A series of Monographs” (John Wiley & Sons, New York, 1950 to present), in particular Volumes 13, 14, 16, 19, and 28; and “J. Am. Chem. Soc.”, 82:5566 (1960), the contents all of which are incorporated by reference herein. Exemplary monocyclic azaheterocyclenyl groups include, but are not limited to, 1,2,3,4-tetrahydrohydropyridine, 1,2-dihydropyridyl, 1,4-dihydropyridyl, 1,2,3,6-tetrahydropyridine, 1,4,5,6-tetrahydropyrimidine, 2-pyrrolinyl, 3-pyrrolinyl, 2-imidazolinyl, 2-pyrazolinyl, and the like. Exemplary oxaheterocyclenyl groups include, but are not limited to, 3,4-dihydro-2H-pyran, dihydrofuranyl, and fluorodihydrofuranyl. An exemplary multicyclic oxaheterocyclenyl group is 7-oxabicyclo[2.2.1]heptenyl.

“Heterocyclyl,” or “heterocycloalkyl,” denotes a non-aromatic saturated monocyclic or multicyclic ring system of about 3 to about 10 carbon atoms, desirably 4 to 8 carbon atoms, in which one or more of the carbon atoms in the ring system is/are hetero element(s) other than carbon, for example nitrogen, oxygen or sulfur. Ring sizes of rings of the ring system may include 5 to 6 ring atoms. The designation of the aza, oxa or thia as a prefix before heterocyclyl define that at least a nitrogen, oxygen or sulfur atom is present respectively as a ring atom. The heterocyclyl may be optionally substituted by one or more substituents which may be the same or different, and are as defined herein. The nitrogen or sulphur atom of the heterocyclyl may also be optionally oxidized to the corresponding N-oxide, S-oxide or S, S-dioxide.

“Heterocyclyl” as used herein includes by way of example and not limitation those described in Paquette, Leo A.; “Principles of Modern Heterocyclic Chemistry” (W. A. Benjamin, New York, 1968), particularly Chapters 1, 3, 4, 6, 7, and 9; “The Chemistry of Heterocyclic Compounds, A series of Monographs” (John Wiley & Sons, New York, 1950 to present), in particular Volumes 13, 14, 16, 19, and 28; and “J. Am. Chem. Soc.”, 82:5566 (1960). Exemplary monocyclic heterocyclyl rings include, but are not limited to, piperidyl, pyrrolidinyl, piperazinyl, morpholinyl, thiomorpholinyl, thiazolidinyl, 1,3-dioxolanyl, 1,4-dioxanyl, tetrahydrofuranyl, tetrahydrothiophenyl, tetrahydrothiopyranyl, and the like.

“Heteroaryl” denotes an aromatic monocyclic or multicyclic ring system of about 5 to about 10 atoms, in which one or more of the atoms in the ring system is/are hetero element(s) other than carbon, for example nitrogen, oxygen or sulfur. Ring sizes of rings of the ring system include 5 to 6 ring atoms. The “heteroaryl” may also be substituted by one or more substituents which may be the same or different, and are as defined herein. The designation of the aza, oxa or thia as a prefix before heteroaryl define that at least a nitrogen, oxygen or sulfur atom is present respectively as a ring atom. A nitrogen atom of a heteroaryl may be optionally oxidized to the corresponding N-oxide. Heteroaryl as used herein includes by way of example and not limitation those described in Paquette, Leo A.; “Principles of Modern Heterocyclic Chemistry” (W. A. Benjamin, New York, 1968), particularly Chapters 1, 3, 4, 6, 7, and 9; “The Chemistry of Heterocyclic Compounds, A series of Monographs” (John Wiley & Sons, New York, 1950 to present), in particular Volumes 13, 14, 16, 19, and 28; and “J. Am. Chem. Soc.”, 82:5566 (1960). Exemplary heteroaryl and substituted heteroaryl groups include, but are not limited to, pyrazinyl, thienyl, isothiazolyl, oxazolyl, pyrazolyl, furazanyl, pyrrolyl, 1,2,4-thiadiazolyl, pyridazinyl, quinoxalinyl, phthalazinyl, imidazo[1,2-a]pyridine, imidazo[2,1-b]thiazolyl, benzofurazanyl, azaindolyl, benzimidazolyl, benzothienyl, thienopyridyl, thienopyrimidyl, pyrrolopyridyl, imidazopyridyl, benzoazaindole, 1,2,3-triazinyl, 1,2,4-triazinyl, 1,3,5-triazinyl, benzthiazolyl, dioxolyl, furanyl, imidazolyl, indolyl, indolizinyl, isoxazolyl, isoquinolinyl, isothiazolyl, morpholino, oxadiazolyl, oxazinyl, oxiranyl, piperazinyl, piperidinyl, pyranyl, pyrazinyl, pyridazinyl, pyrazolyl, pyridyl, pyrimidinyl, pyrrolyl, pyrrolidinyl, quinazolinyl, quinolinyl, tetrazinyl, tetrazolyl, 1,3,4-thiadiazolyl, 1,2,3-thiadiazolyl, 1,2,4-thiadiazolyl, 1,2,5-thiadiazolyl, thiatriazolyl, thiazinyl, thiazolyl, thienyl, 5-thioxo-1,2,4-diazolyl, thiomorpholino, thiophenyl, thiopyranyl, triazolyl and triazolonyl.

The term “amino” denotes the radical —NH₂wherein one or both of the hydrogen atoms may be replaced by an optionally substituted hydrocarbon group. Exemplary amino groups include, but are not limited to, n-butylamino, tert-butylamino, methylpropylamino and ethyldimethylamino.

The term “cycloalkylalkyl” denotes a cycloalkyl-alkyl group wherein a cycloalkyl as described above is bonded through an alkyl, as defined above. Cycloalkylalkyl groups may contain a lower alkyl moiety. Exemplary cycloalkylalkyl groups include, but are not limited to, cyclopropylmethyl, cyclopentylmethyl, cyclohexylmethyl, cyclopropylethyl, cyclopentylethyl, cyclohexylpropyl, cyclopropylpropyl, cyclopentylpropyl, and cyclohexylpropyl.

The term “arylalkyl” denotes an aryl group as described above bonded through an alkyl, as defined above.

The term “heteroarylalkyl” denotes a heteroaryl group as described above bonded through an alkyl, as defined above.

The term “heterocyclylalkyl,” or “heterocycloalkylalkyl,” denotes a heterocyclyl group as described above bonded through an alkyl, as defined above.

The terms “halogen”, “halo”, or “hal”, as used herein alone or as part of another group, denote chlorine, bromine, fluorine, and iodine.

The term “haloalkyl” denotes a halo group as described above bonded though an alkyl, as defined above. Fluoroalkyl is an exemplary group.

The term “aminoalkyl” denotes an amino group as defined above bonded through an alkyl, as defined above.

The phrase “bicyclic fused ring system wherein at least one ring is partially saturated” denotes an 8- to 13-membered fused bicyclic ring group in which at least one of the rings is non-aromatic. The ring group has carbon atoms and optionally 1-4 heteroatoms independently selected from N, O and S. Illustrative examples include, but are not limited to, indanyl, tetrahydronaphthyl, tetrahydroquinolyl and benzocycloheptyl.

The phrase “tricyclic fused ring system wherein at least one ring is partially saturated” denotes a 9- to 18-membered fused tricyclic ring group in which at least one of the rings is non-aromatic. The ring group has carbon atoms and optionally 1-7 heteroatoms independently selected from N, O and S. Illustrative examples include, but are not limited to, fluorene, 10,11-dihydro-5H-dibenzo[a,d]cycloheptene and 2,2a,7,7a-tetrahydro-1H-cyclobuta[a]indene.

The term “pharmaceutically acceptable salts” refers to derivatives of the disclosed compounds wherein the parent compound is modified by making acid or base salts thereof. Examples of pharmaceutically acceptable salts include, but are not limited to, mineral or organic acid salts of basic residues such as amines; alkali or organic salts of acidic residues such as carboxylic acids; and the like. The pharmaceutically acceptable salts include the conventional non-toxic salts or the quaternary ammonium salts of the parent compound formed, for example, from non-toxic inorganic or organic acids. For example, such conventional non-toxic salts include those derived from inorganic acids such as, but not limited to, hydrochloric, hydrobromic, sulfuric, sulfamic, phosphoric, nitric and the like; and the salts prepared from organic acids such as, but not limited to, acetic, propionic, succinic, glycolic, stearic, lactic, malic, tartaric, citric, ascorbic, pamoic, maleic, hydroxymaleic, phenylacetic, glutamic, benzoic, salicylic, sulfanilic, 2-acetoxybenzoic, fumaric, toluenesulfonic, methanesulfonic, ethane disulfonic, oxalic, isethionic, and the like.

The pharmaceutically acceptable salts of the present invention can be synthesized from the parent compound which contains a basic or acidic moiety by conventional chemical methods. Generally, such salts can be prepared by reacting the free acid or base forms of these compounds with a stoichiometric amount of the appropriate base or acid in water or in an organic solvent, or in a mixture of the two. Organic solvents include, but are not limited to, nonaqueous media like ethers, ethyl acetate, ethanol, isopropanol, or acetonitrile. Lists of suitable salts are found in Remington's Pharmaceutical Sciences, 18th ed., Mack Publishing Company, Easton, Pa., 1990, p. 1445, the disclosure of which is hereby incorporated by reference.

The phrase “pharmaceutically acceptable” denotes those compounds, materials, compositions, and/or dosage forms which are, within the scope of sound medical judgment, suitable for use in contact with the tissues of human beings and animals without excessive toxicity, irritation, allergic response, or other problem or complication commensurate with a reasonable benefit/risk ratio.

“Substituted” is intended to indicate that one or more hydrogens on the atom indicated in the expression using “substituted” is replaced with a selection from the indicated group(s), provided that the indicated atom's normal valency is not exceeded, and that the substitution results in a stable compound. When a substituent is keto (i.e., ═O) group, then 2 hydrogens on the atom are replaced.

Unless moieties of a compound of the present invention are defined as being unsubstituted, the moieties of the compound may be substituted. In addition to any substituents provided above, the moieties of the compounds of the present invention may be optionally substituted with one or more groups independently selected from, but not limited to:

C₁-C₄alkyl;

C₂-C₄alkenyl;

C₂-C₄alkynyl;

CF₃;

halo;

OH;

O—(C₁-C₄alkyl);

OCH₂F;

OCHF₂;

OCF₃;

COCF₃;

OC(O)—(C₁-C₄alkyl);

OC(O)NH—(C₁-C₄alkyl);

OC(O)N(C₁-C₄alkyl)₂;

OC(S)NH—(C₁-C₄alkyl);

OC(S)N(C₁-C₄alkyl)₂;

ONO₂;

SH;

S—(C₁-C₄alkyl);

S(O)—(C₁-C₄alkyl);

S(O)₂—(C₁-C₄alkyl);

SC(O)—(C₁-C₄alkyl);

SC(O)O—(C₁-C₄alkyl);

NH₂;

N(H)—(C₁-C₄alkyl);

N(C₁-C₄alkyl)₂;

N(H)C(O)—(C₁-C₄alkyl);

N(CH₃)C(O)—(C₁-C₄alkyl);

N(H)C(O)—CF₃;

N(CH₃)C(O)—CF₃;

N(H)C(S)—(C₁-C₄alkyl);

N(CH₃)C(S)—(C₁-C₄alkyl);

N(H)S(O)₂—(C₁-C₄alkyl);

N(H)C(O)NH₂;

N(H)C(O)NH—(C₁-C₄alkyl);

N(CH₃)C(O)NH—(C₁-C₄alkyl);

N(H)C(O)N(C₁-C₄alkyl)₂;

N(CH₃)C(O)N(C₁-C₄alkyl)₂;

N(H)S(O)₂NH₂);

N(H)S(O)₂NH—(C₁-C₄alkyl);

N(CH₃)S(O)₂NH—(C₁-C₄alkyl);

N(H)S(O)₂N(C₁-C₄alkyl)₂;

N(CH₃)S(O)₂N(C₁-C₄alkyl)₂;

N(H)C(O)O—(C₁-C₄alkyl);

N(CH₃)C(O)O—(C₁-C₄alkyl);

N(H)S(O)₂O—(C₁-C₄alkyl);

N(CH₃)S(O)₂O—(C₁-C₄alkyl);

N(CH₃)C(S)NH—(C₁-C₄alkyl);

N(CH₃)C(S)N(C₁-C₄alkyl)₂;

N(CH₃)C(S)O—(C₁-C₄alkyl);

N(H)C(S)NH₂;

NO₂;

CO₂H;

CO₂—(C₁-C₄alkyl);

C(O)N(H)OH;

C(O)N(CH₃)OH:

C(O)N(CH₃)OH;

C(O)N(CH₃)O—(C₁-C₄alkyl);

C(O)N(H)—(C₁-C₄alkyl);

C(O)N(C₁-C₄alkyl)₂;

C(S)N(H)—(C₁-C₄alkyl);

C(S)N(C₁-C₄alkyl)₂;

C(NH)N(H)—(C₁-C₄alkyl);

C(NH)N(C₁-C₄alkyl)₂;

C(NCH₃)N(H)—(C₁-C₄alkyl);

C(NCH₃)N(C₁-C₄alkyl)₂;

C(O)—(C₁-C₄alkyl);

C(NH)—(C₁-C₄alkyl);

C(NCH₃)—(C₁-C₄alkyl);

C(NOH)—(C₁-C₄alkyl);

C(NOCH₃)—(C₁-C₄alkyl);

CN;

CHO;

CH₂OH;

CH₂O—(C₁-C₄alkyl);

CH₂NH₂;

CH₂N(H)—(C₁-C₄alkyl);

CH₂N(C₁-C₄alkyl)₂;

aryl;

heteroaryl;

cycloalkyl; and

heterocyclyl.

The term “cleave” or “cleaving” means splitting a complex molecule into at least two separate molecules. “Cleavage products” are the separate molecules which result from cleaving.

The term “metabolite” refers to a composition which results from a metabolic process. Examples of the results of metabolism on the compounds of the present invention include addition of —OH, hydrolysis, and cleavage.

The term “polymorphs” refers to the various crystalline structures of the compounds of the present invention. This may include, but is not limited to, crystal morphologies (and amorphous materials), all crystal lattice forms, and all salts. Salts of the present invention can be crystalline and may exist as more than one polymorph. Each polymorph forms another aspect of the invention. Hydrates as well as anhydrous forms of the salt are also encompassed by the invention.

“Teoc” is 2-(trimethylsilyl)ethoxycarbonyl

“Et” is ethyl (—CH₂CH₃) or ethylene (—CH₂CH₂—).

“Me” is methyl (—CH₃) or methylene (—CH₂—).

“Boc” is tert-butyloxycarbonyl.

“PHCH₂” is benzyl.

The term “pharmaceutically-acceptable tricyclic moiety” is meant to include, but is not limited to, benzocycloheptapyridyl, benzodiazepinyl, and benzozapinyl

In another embodiment of the present invention, the DPP-IV inhibiting compounds are used in the manufacture of a medicament for the treatment of a disease mediated by an DPP-IV enzyme.

In another aspect, the DPP-IV inhibiting compounds of the present invention are used in combination with another disease modifying drug. Examples of other disease modifying drugs include, but are not limited to: (a) other dipeptidyl peptidase IV (DPP-IV) inhibitors such as Vildagliptin (Novartis), Sitagliptin (Merck&Co.), Saxagliptin (BMS); (b) insulin sensitizers including (i) PPARγ agonists such as the glitazones (e.g. troglitazone, pioglitazone, edaglitazone, rosiglitazone, and the like) and other PPAR ligands, including PPARα/γ dual agonists such as muraglitazar (BMS) and tesaglitazar (AstraZeneca), and PPARα agonists such as fenofibric acid derivatives (gemfibrozil, clofibrate, fenofibrate and bezafibrate), (ii) biguanides such as metformin and phenformin, and (iii) protein tyrosine phosphatase-1B (PTP-1B) inhibitors; (c) insulin or insulin mimetics; (d) incretin and incretin mimetics such as (i) Exenatide available from Amylin Pharmaceuticals, (i) amylin and amylin mimetics such as pramlintide acetate, available as Symlin®, (iii) GLP-1, GLP-1 mimetics, and GLP-1 receptor agonists, (iv) GIP, GIP mimetics and GIP receptor agonists; (e) sulfonylureas and other insulin secretagogues, such as tolbutamide, glyburide, glipizide, glimepiride, meglitinides, and repaglinide; (f) α-glucosidase inhibitors (such as acarbose and miglitol); (g) glucagon receptor antagonists; (h) PACAP, PACAP mimetics, and PACAP receptor agonists; (i) cholesterol lowering agents such as (i) HMG-CoA reductase inhibitors (lovastatin, simvastatin, pravastatin, cerivastatin, fluvastatin, atorvastatin, itavastatin, and rosuvastatin, and other statins), (ii) sequestrants such as cholestyramine, colestipol and dialkylaminoalkyl derivatives of a cross-linked dextran, (iii) nicotinyl alcohol, nicotinic acid or a salt thereof, (iv) PPARα agonists such as fenofibric acid derivatives (gemfibrozil, clofibrate, fenofibrate and bezafibrate), (v) PPARα/γ dual agonists such as muraglitazar (BMS) and tesaglitazar (AstraZeneca), (vi) inhibitors of cholesterol absorption, such as beta-sitosterol and ezetimibe, (vii) acyl CoA:cholesterol acyltransferase inhibitors such as avasimibe, and (viii) anti-oxidants such as probucol; (j) PPARδ agonists such as GW-501516 from GSK; (k) anti-obesity compounds such as fenfluramine, dexfenfluramine, phentemine, sibutramine, orlistat, neuropeptide Y1 or Y5 antagonists, MTP inhibitors, squalene synthase inhibitor, lipoxygenase inhibitor, ACAT inhibitor, Neuropeptide Cannabinoid CB-1 receptor antagonists, CB-1 receptor inverse agonists and antagonists, fatty acid oxidation inhibitors, appetite suppressants (l) adrenergic receptor agonists, melanocortin receptor agonists, in particular—melanocortin-4 receptor agonists, ghrelin antagonists, and melanin-concentrating hormone (MCH) receptor antagonists; (m) ileal bile acid transporter inhibitors; (n) agents intended for use in inflammatory conditions such as aspirin, non steroidal anti-inflammatory drugs, glucocorticoids, azalfidine, and selective cyclooxygenase-2 inhibitors; (o) antihypertensive agents such as ACE inhibitors (enalapril, lisinopril, captopril, quinapril, fosinoprol, ramipril, spirapril, tandolapril), angiotensin-II (AT-1) receptor blockers (losartan, candesartan, irbesartan, valsartan, telmisartan, eprosartan), beta blockers and calcium channel blockers; and (p) glucokinase activators (GKAs); (q) agents which can be used for the prevention, delay of progression or treatment of neurodegenerative disorders, cognitive disorders or a drug for improving memory such as anti-inflammatory drugs, antioxidants, neuroprotective agents, glutamate receptor antagonists, acetylcholine esterase inhibitors, butyrylcholinesterase inhibitors, MAO inhibitors, dopamine agonists or antagonists, inhibitors of gamma and beta secretases, inhibitors of amyloid aggregation, amyloid beta peptide, antibodies to amyloid beta peptide, inhibitors of acetylcholinesterase, glucokinase activators, agents directed at modulating GABA, NMDA, cannabinoid, AMPA, kainate, phosphodiesterase (PDE), PKA, PKC, CREB or nootropic systems; (r) leukocyte growth promotors intended for the treatment and prevention of reduced bone marrow production, infectious diseases, hormone dependent disorders, inflammatory diseases, HIV, allergies, leukocytopenia, and rheumatism; (s) SGLT2 inhibitor; (t) glycogen phosphorylase inhibitor; (u) aP2 inhibitors; (v) aminopeptidase N inhibitor (w) vasopeptidase inhibitors like neprilysin inhibitors and/or ACE inhibitors or dual NEP/ACE inhibitor; (x) growth hormone secretagogue for enhancing growth hormone levels and for treating growth retardation/dwarfism or metabolic disorders or where the disorder is an injury, or a wound in need of healing, or a mammalian patient recovering from surgery; (y) 5-HT 3 or 5-HT 4 receptor modulators (tegaserod, cisapride, nor-cisapride, renzapride, zacopride, mosapride, prucalopride, buspirone, norcisapride, cilansetron, ramosetron, azasetron, ondansetron, etc.); (Za) aldose reductase inhibitors; (Zb) sorbitol dehydrogenase inhibitors; (Zc) AGE inhibitors; (Zd) erythropoietin agonist such as EPO, EPO mimetics, and EPO receptor agonists.

In a further aspect, the DPP-IV inhibiting compounds of the present invention are used in the treatment diseases or symptoms mediated by an DPP-IV enzyme. Examples of diseases or symptoms mediated by a DPP-IV enzyme include, but are not limited to, Type II (Type-2) Diabetes and Related Disorders, such as hyperglycemia, low glucose tolerance, insulin resistance, obesity, lipid disorders, dyslipidemia, hyperlipidemia, hypertriglyceridemia, hypercholesterolemia, low HDL levels, high LDL levels, atherosclerosis and its 30 sequelae, vascular restenosis, irritable bowel syndrome, inflammatory bowel disease, including Crohn's disease and ulcerative colitis, other inflammatory conditions, pancreatitis, abdominal obesity, neurodegenerative disease, retinopathy, nephropathy, neuropathy, cataracts, glaucoma, glomerulosclerosis, foot ulcerations and ulcerative colitis, altered gastrointestinal motility, Syndrome X, ovarian hyperandrogenism, polycystic ovarian syndrome, premenstrual syndrome, other disorders where insulin resistance is a component. In Syndrome X, also known as Metabolic Syndrome, obesity is thought to promote insulin resistance, diabetes, dyslipidemia, hypertension, and increased cardiovascular risk, growth hormone deficiency, neutropenia, neuronal disorders, tumor invasion and metastasis, benign prostatic hypertrophy, gingivitis, osteoporosis, frailty of aging, intestinal injury, benign prostatic hypertrophy (BPH), and sperm motility/male contraception.

In a further aspect, the DPP-IV inhibiting compounds of the present invention are useful for the prevention, delay of progression or the treatment of an early cardiac or early cardiovascular diseases or damages, renal diseases or damages, heart Failure, or heart Failure associated diseases like (i) cardiovascular diseases or damages e.g. cardiac hypertrophy, cardiac remodelling after myocardial infarction, pulmonary congestion and cardiac fibrosis in dilated or in hypertrophic cardiomyopathy, cardiomyopathy such as dilated cardiomyopathy or hypertrophic cardiomyopathy, mesanglial hypertrophy, or diabetic cardiomyopathy, left or right ventricular hypertrophy, arrhythmia, cardiac dysrhythmia, syncopy, angina pectoris, cardiac bypass reocclusion, intermittent claudication, diastolic and/or systolic dysfunction, diabetic myopathy, stroke prevention in congestive heart failure, hypertrophic medial thickening in arteries and/or large vessels, mesenteric vasculature hypertrophy or atherosclerosis, preferably atherosclerosis in mammalian patients with hypertension of diabetes; (ii) renal diseases or damages like renal hyperfiltration such as after portal renal ablation, proteinuria in chronic renal disease, renal arteriopathy as a consequence of hypertension, nephrosclerosis, hypertensive nephrosclerosis or mesanglial hypertrophy; (iii) Heart Failure to be treated is secondary to idiopathic dilated cardiomyopathy and/or coronary ischemic disease;

In another aspect, the DPP-IV inhibiting compounds of the present invention are used for the prevention, the delay of the onset, the delay of progression or the treatment of neurodegenerative disorders, cognitive disorders and for improving memory (both short term and long term) and learning ability wherein the (i) neurodegenerative disorder is dementia, senile dementia, schizophrenia, mild cognitive impairment, Alzheimer related dementia, Huntington's chores, tardive dyskinesia, hyperkinesias, mania, Morbus Parkinson, Steel-Richard syndrome, Down's syndrome, myasthenia gravis, nerve and brain trauma, vascular amyloidosis, cerebral haemorrhage I with amyloidosis, brain inflammation, Friedrich ataxia, acute confusion disorders, acute confusion disorders with apoptotic necrocytosis, amyotrophic lateral sclerosis, glaucoma, and Alzheimer's disease; (ii) cognitive disorders like cognitive deficits associated with schizophrenia, age-induced memory impairment, cognitive deficits associated with psychosis, cognitive impairment associated with diabetes, cognitive deficits associated with post-stroke, memory defects associated hypoxia, cognitive and attention deficits associated with senile dementia, attention deficits disorders, memory problems associated with mild cognitive impairment, impaired cognitice function associated with vascular dementia, cognitive problems associated with brain tumors, Pick's disease, cognitive deficits due to autism, cognitive deficits post electroconvulsive therapy, cognitive deficits associated with traumatic brain injury, amnesic disorders, deliriums, vitamin deficiency, dementias, impaired cognitive function associated with Parkinson's disease, attention-deficit disorders; (iii) prevention of memory impairment as a result of Alzheimer disease, Creutzfeld-Jakob disease, Pick disease, Huntington disease, AIDS, brain injury, brain aneurysm, epilepsy, stroke, toxicant exposure, mental retardation in children, Huntington's disease; (iv) to improve learning speed and potential in educational and rehabilitation contexts.

In another aspect, the DPP-IV inhibiting compounds of the present invention are used for stimulating an immune response in a subject having or at risk of having cancer wherein the cancer is selected from the group consisting of basal cell carcinomas including cancers of the binary tract, bladder, urinary system, bone, brain, breast, cervical, endometrial, ovarian, uterine, choriocarcinoma, central nervous system, colon and rectal cancers, connective tissue cancer, cancer of the digestive system, esophageal, gastric, stomach, larynx, liver, pancreatic, colorectal, renal cancers; cancers of the urinary system; cancers of eye, head and neck, oral cavity, skin, prostate; cancers of biliary tract, testicular, thyroid; intra-epithelial neoplasm, leukemia, acute myeloid leukemia, acute lymphoid leukemia, chronic myeloid leukemia, chronic lymphoid leukemia; and other cancers of the respiratory system, lung, small cell lung, non-small cell lung; lymphoma, Hodgkin's lymphoma, Non-Hodgkin's lymphoma; melanoma, myeloma, neuroblastoma, retinoblastoma, fibrosarcoma (bone or connective tissue sarcoma), rhabdomyosarcoma; and other cancers including neoplastic conditions, adipose cell tumors, adipose cell carcinomas, such as liposarcoma;

In a further aspect, the DPP-IV inhibiting compounds of the present invention are useful for the treatment or prophylaxis of chronic inflammatory diseases such as autoimmune disorders like rheumatoid arthritis, systemic lupus erythematosus, multiple sclerosis, psoriasis, allergies or asthma.

In another aspect, the DPP-IV inhibiting compounds of the present invention may be useful in the treatment of pain, neuropathic pain, rheumatoid pain, osteoarthritis pain, anesthesia adjunct in mammalian patients undergoing surgery, chronic pain in advanced cancer, treatment of refractory diarrhea, biliary pain caused by gallstones.

In a further aspect, the DPP-IV inhibiting compounds of the present invention are useful for the treatment of mammalian patients undergoing islet/pancreas transplantation, for the prevention or the delay of transplant rejection, or allograft rejection in transplantation, for improving pancreatic function by increasing the number and size of pancreatic beta-cells in the treatment of Type 1 diabetes patients, and for improving pancreatic function by increasing the number and size of pancreatic beta-cells in general.

Furthermore, the DPP-IV inhibiting compounds of the present invention are useful for the treatment of mammalian patients with acne, skin disorders (e.g. pigmentation disorders or psoriasis), scleroderma, mycoses; anxiety, anxiety neurosis, major depression disorder, drug abuse, alcohol addiction, insomnia, chronic fatigue, sleep apnea; anorexia nervosa; epilepsy; migraine; encephalomyelitis; osteoarthritis, osteoporosis, calcitonin-induced osteoporosis; male and female sexual dysfunction, infertility; Type 1 diabetes; immunosuppression, HIV infection; hematopoiesis, anemia; and for weight reduction.

In a further aspect, the DPP-IV inhibiting compounds of the present invention are useful for the prevention, delay of progression or treatment of (i) bacterial infections from Escherichia coli, Staphylococcus, Streptococcus, Pseudomonas, Clostridium difficile infection, Legionella, Pneumococcus, Haemophilus, Klebsiella, Enterobacter, Citrobacter, Neisseria, Shigella, Salmonella, Listeria, Pasteurella, Streptobacillus, Spirillum, Treponema, Actinomyces, Borrelia, Corynebacterium, Nocardia, Gardnerella, Campylobacter, Spirochaeta, Proteus, Bacteriodes, Helicobacter pylori, and anthrax infection; (ii) mycobacterial infection from tuberculosis and leprosy; (iii) viral infection from HIV, Herpes simplex virus 1, Herpes simplex virus 2, Cytomegalovirus, hepatitis A virus, hepatitis B virus, hepatitis C virus, human papilloma virus, Epstein Barr virus, rotavirus, adenovirus, influenza A virus, respiratory syncytial virus, varicella-zoster virus, small pox, monkey pox and SARS; (iv) fungal infection from candidiasis, ringworm, histoplasmosis, blastomycosis, paracoccidioidomycosis, cryptococcosis, aspergillosis, chromomycosis, mycetoma infections, pseudallescheriasis, Tinea versicolor infection; (v) parasite infection from amebiasis, Trypanosoma cruzi, Fascioliasis, Leishmaniasis, Plasmodium, Onchocerciasis, Paragonimiasis, Trypanosoma brucei, Pneumocystis, Trichomonas vaginalis, Taenia, Hymenolepsis, Echinococcus, Schistosomiasis, neurocysticerosis, Necator americanus, and Trichuris trichuria.

The compounds from this invention are suitable for oral, sublingual, rectal, topical, parenteral (including subcutaneous, intramuscular, and intravenous), ocular (ophthalmic), pulmonary (aerosol inhalation), or nasal administration, although the most suitable route in any given case will depend on the nature and severity of the conditions being treated and on the nature of the active ingredient. The compounds from this invention are conveniently presented in unit dosage form and prepared by any of the methods well-known in the art of pharmacy.

The DPP-IV inhibiting compounds of the present invention are synthesized by the general method shown in Schemes 1-14.

Generic Schemes

General synthetic schemes for the preparation of tricyclic building blocks of this invention:

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Commercially available bromotoluene derivatives were treated with n-butyllithium and heated, followed by treatment with dry-ice in an appropriate solvent to afford the desired compound. Alternatively, the acid can be prepared by Grignard reaction followed by treatment with dry-ice in an appropriate solvent. Esterification of the compound followed by NBS bromination and subsequent conversion to the phosphonium salt in a suitable solvent and heating affords the desired compound. Wittig reaction of the phosphonium salt with a suitable aldehyde in an appropriate solvent and heating, followed by saponification of the ester moiety and subsequent catalytic hydrogenation affords the desired compound. Cyclisation of the compound with polyphosphoric acid in sulfolane and heating affords the desired compound after purification. For R₁═COOMe the tricyclic product from the polyphosphoric acid step was treated with thionylchloride in an alcohol. Reduction of the ketone with a metal hydride in an appropriate solvent yields the compound after purification. Treatment of the alcohol with thionylchloride in a suitable solvent affords the final desired compound. In order to obtain the compounds with R₁═R₂═COOMe, the tricyclic product from the polyphosphoric acid step with R₁═COOH and R₂═Br was treated with CuCN in a suitable solvent, followed by saponification of the nitrile to the acid. Ester formation using thionylchloride in an alcohol and reduction of the ketone with a metal hydride in an appropriate solvent yields the compound after purification. Treatment of the alcohol with thionylchloride in a suitable solvent affords the final desired compound.

Alternative synthetic scheme for the preparation of tricyclic building blocks of this invention:

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Commercially available bromotoluene derivatives are treated with Magnesium in a Grignard reaction followed by treatment with dry-ice in an appropriate solvent to yield the desired acid. This acid is then treated with sec-butyllithium in an appropriate solvent at lower temperature. The anion is added at lower temperature to a solution of a commercially available benzylchloride in an appropriate solvent to afford the desired compound. Cyclisation of the compound with polyphosphoric acid in sulfolane and heating affords the desired compound. To obtain the compounds with R₁═R₂═COOMe, the tricyclic product from the polyphosphoric acid step with R₁═R₂═Cl was treated with KCN, a Pd-catalyst, a suitable ligand and a suitable base in an appropriate solvent to afford the dicyano compound, which was converted to the diacid by treatment with base in a suitable solvent. Ester formation using thionylchloride in an alcohol and reduction of the ketone with a metal hydride in an appropriate solvent yields the compound after purification. Treatment of the alcohol with thionylchloride in a suitable solvent affords the final desired compound.

General synthetic scheme for the preparation of aldehyde building blocks of this invention:

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Commercially available prolinamide is treated with fumarylchloride in an appropriate solvent to afford the desired compound. This compound is then treated with oxalylchloride in dimethylformamide to afford the desired compound after purification. Alternatively, the coupling product of prolinamide with fumarylchloride can be treated with trifluoroacetic acid anhydride in a suitable solvent to afford the desired compound. Ozonolysis of this compound at −78° C. in a suitable solvent, followed by reductive workup affords the desired final compound as a mixture of the aldehyde and its methyl hemiacetal.

Treatment of 2-Aza-bicyclo[3.1.0]hexane-3-carboxylic acid amide, prepared according to WO 01/68603, in the same manner as described above yields the desired final compound containing a cyclopropyl moiety at the 4,5-position of the pyrrolidine moiety.

General synthetic scheme for the preparation of tricyclic compounds of this invention with R³═H:

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The reaction of substituted or unsubstituted tricyclic chlorides with an amino derivative in a suitable solvent as described above affords the desired final product after purification. Substituted or unsubstituted tricyclic chlorides are treated in an appropriate solvent with an excess of suitable amines to afford the desired product after purification. In case the reaction product contains additional amino protecting groups like Boc, they are cleaved by acid treatment to afford the desired compound. Using these amines for a nucleophilic displacement reaction in a suitable solvent with a suitable bromo derivative yields the final desired product after purification. Alternatively, the amines are treated with a suitable aldehyde (D-CHO) via reductive amination to afford the final compound after purification.

General synthetic scheme for the preparation of tricyclic compounds of this invention with Z═N:

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Substituted or unsubstituted tricycles containing a nitrogen at the doubly benzylic position are treated with bromoacetylbromide and heated to afford the desired compounds. Treating these compounds with sodium azide or sodium cyanide in a suitable solvent and heating affords the desired azido or cyano compounds after purification. Catalytic hydrogenation or reduction with Lithium aluminum hydride in a suitable solvent affords the desired amine compounds. Using these amines for a nucleophilic displacement reaction in a suitable solvent with a suitable bromo derivative yields the final desired product after purification.

General synthetic scheme for the preparation of tricyclic compounds of this invention having H, OH or no substituent at R³

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Substituted or unsubstituted tricyclic ketones with Y═C(R₄)═C(R₅) are treated with malonic acid at elevated temperatures to afford the desired product after purification. These compounds are converted to the corresponding amides by treatment with isobutylchloroformate and ammonia. The amides are then converted to the desired amine products with Y═C(R₄)═C(R₅) by reduction with lithium aluminum hydride or to the desired amine products with Y═C(R₄R₅)C(R₄R₅) by reduction with lithium aluminum hydride followed by catalytic hydrogenation with a suitable catalyst. Using these amines for a nucleophilic displacement reaction in a suitable solvent with a suitable bromo derivative described above yields the final desired product after purification.

Treating tricyclic ketones in a Reformatskij reaction affords the desired product after purification. Reduction with LiAlH₄in a suitable solvent affords the alcohol products with R₃═OH after purification. Activation of one of the hydroxyl groups with sulfonylchlorides in a suitable solvent followed by treatment with NaN₃affords the desired compounds after purification. Reduction of the azide reaction products with a catalyst in a suitable solvent affords the desired amine compounds after purification. Using these amines for a nucleophilic displacement reaction in a suitable solvent with a suitable bromo derivative described above yields the final desired products after purification.

Treating the amines with R₃═OH with acid in a suitable solvent yields the desired unsaturated amine products. Using these amines for a nucleophilic displacement reaction in a suitable solvent with a suitable bromo derivative described above yields the final desired products after purification.

General synthetic schemes (7-9) for the preparation of tricyclic compounds of this invention with R³=nitrile, amide, tetrazolyl or N-alkyl-tetrazolyl

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Substituted or unsubstituted suberylchlorides are treated in a suitable solvent with a slight excess of AgCN and heated to afford the desired product after purification. The nitrile containing compound is then treated with sodium hydride in a suitable solvent and heated. The mixture is then treated at rt with a suitable dibromoalkene and heated to give an intermediate which after treatment with sodium azide or potassium phthalimide in an appropriate solvent and heating affords the desired compound after purification. Treating the mixture after the addition of sodium hydride at rt with a suitable sulfamidate in an appropriate solvent affords the desired Teoc-protected compound after heating for several hours and subsequent purification.

Catalytic hydrogenation of compounds with R′═N₃in a suitable solvent and in the presence of a slight excess of acid affords the free amine compounds. Coupling of these amines with a suitable aldehyde (CHO-D) via reductive amination and subsequent purification affords the final desired compounds with R³═CN.

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Catalytic hydrogenation of compounds with R₃═CN and R′═N₃in a suitable solvent and in the presence of a slight excess of acid affords the free amine compounds. Treatment of the hydrogenation products with sulphuric acid affords the desired compounds after purification. In case R₁═R₂≠COOH, the amines are reacted with a suitable aldehyde (D-CHO) in an appropriate solvent to yield the desired final compounds with R₃═CONH₂and R₁═R₂≠COOH, CONR₄R₅, COOMe. In case R₁═COOH, the amines are treated with Boc₂O in a suitable solvent to afford the Boc-protected amines. These compounds are then treated with ethylchloroformate, followed by treatment with an amine to yield the desired compounds after purification. The compounds are then treated with acid, followed by reaction with a suitable aldehyde (D-CHO) in an appropriate solvent to yield the desired final compounds with R₃═CONH₂and R₁═CONR₄R₅after purification.

The compounds with R₃═CN and R′═N-phthaloyl are treated with an excess of trimethylsilyl azide and Bu₂SnO in an appropriate solvent and heating to afford the desired compounds with R₃═tetrazolyl and R′═N-phthaloyl. In case R₁═R₂≠COOH, the compounds are treated with hydrazine hydrate at elevated temperature in an appropriate solvent to yield the desired amines with R₃═tetrazoyl. The reaction of these amines with a suitable aldehyde (D-CHO) in an appropriate solvent affords the desired final compound with R₃=tetrazoyl and R₁═R₂≠COOH, CONR₄R₅, COOMe after purification. In case R₁═COOMe, the compounds are treated with an appropriate amine in a suitable solvent to afford the free amine compounds. Protection of the amines with Boc₂O affords the Boc-protected products after purification. Saponification of the ester moieties affords the desired fNH-Boc-protected carboxylic acid derivatives. The acid derivates are then treated with ethylchloroformate, followed by an amine to afford the desired products after acid treatment. The reaction of these amines with a suitable aldehyde (D-CHO) in an appropriate solvent affords the desired final compound with R₃=tetrazoyl and R₁═CONR₄R₅after purification.

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The NH Teoc-protected compounds with R₃═CN and R₁═R₂═COOMe or R₁═R₂=Hal were treated with hydroxylamine hydrochloride and an excess of base at elevated temperatures in an appropriate solvent to afford the desired compounds with R₃═CONH₂after purification. The same NH Teoc protected compounds are also reacted with sodium azide and ammonium chloride in a suitable solvent to yield the desired compounds with R₃=tetrazoyl after purification. Further reaction of the compound with R₃=tetrazoyl with methyl iodide and base in a suitable solvent leads to the formation of the desired compound with R₃═N-Me-tetrazoyl after purification. For the compounds with R₃=tetrazoyl, N-Me-tetrazoyl and R₁═R₂═COOMe, Hal, the Teoc protecting group is removed by treatment with acid to afford the desired amine compounds. The reaction of these amines with a suitable aldehyde (D-CHO) in an appropriate solvent affords the desired final compound with R₃=tetrazoyl, N-Me-tetrazoyl and R₁═R₂═COOMe, Hal after purification. For the compounds with R₃=tetrazoyl, N-Me-tetrazoyl and R₁═R₂═COOMe, the ester moieties are removed by treatment with base in an appropriate solvent to afford the desired dicarboxylic acid derivatives after purification. Treatment of these compounds with ethylchloroformate, followed by an amine yields the desired amine compounds with R₃=tetrazoyl, N-Me-tetrazoyl and R₁═R₂═CONR4R5 after purification. Cleavage of the Teoc protecting group with acid affords the corresponding amine compounds. The reaction of these amines with a suitable aldehyde (D-CHO) in an appropriate solvent affords the desired final compounds with R₃=tetrazoyl, N-Me-tetrazoyl and R₁═R₂═CONR₄R₅after purification. To obtain the desired final compounds with R₃=tetrazoyl, N-Me-tetrazoyl and R₁═R₂═COOH after purification, the amide formation steps 2 and 3 are omitted.

General synthetic scheme for the preparation of tricyclic compounds of this invention with R³=heteroaryl (e.g., oxadiazolone or trifluororoxadiazole)

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The NH Teoc-protected compounds with R₃═CN and R₁═R₂═COOMe were treated with hydroxylamine hydrochloride and a base at elevated temperatures, followed by diethylcarbonate in an appropriate solvent to afford the desired compounds with R₃=oxadiazolone after purification. In case trifluoroacetic acid anhydride and base are used in a suitable solvent for step 2 of the above scheme, the desired compounds with R₃═CF₃-oxadiazole are obtained after purification. The compounds with R₃=oxadiazolone and R₃═CF₃-oxadiazole are then treated with base to afford the dicarboxylic acid derivatives. These acids are treated with ethylchloroformate, followed by an amine to afford the desired NH-Teoc protected compounds with R₃=oxadiazolone, CF₃-oxadiazole and R₁═R₂═CONR₄R₅after purification. Cleavage of the Teoc protecting group with acid affords the corresponding amine compounds. The reaction of these amines with a suitable aldehyde (D-CHO) in an appropriate solvent affords the desired final compounds with R₃=oxadiazolone, CF₃-oxadiazole and R₁═R₂═CONR₄R₅after purification.

General synthetic scheme for the preparation of tricyclic compounds of this invention with R³=tetrazole and Y═CONR⁴

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Anthraquinone derivatives are treated with sodium azide and sulphuric acid in a suitable solvent to yield the desired compounds. These compounds are then treated with alkyl halides and base in a suitable solvent to obtain the desired compounds after purification. Reaction of theses compounds with tosylmethyl isocyanide and base in a suitable solvent, followed by treatment with dibromoethane and potassium phthalimide affords the desired compounds with R3═CN and R′═N-phthaloyl after purification. The reaction of these compounds with trimethylsilyl-azide and dibutyltin oxide in a suitable solvent affords the compounds with R3=tetrazoyl and R′═N-phthaloyl. Cleavage of the protecting group with hydrazine hydrate affords the desired amines, which are reacted with a suitable aldehyde (D-CHO) in an appropriate solvent to afford the desired final compound with R3=tetrazoyl. The desired final compound with R₃=tetrazoyl and R₄═H can be obtained by omitting the alkylation step with alkyl halides in the above scheme.

General synthetic scheme for the preparation of compounds with bridged piperazinones of this invention with R^14a,b═(═O)

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A commercially available hydroxyl-proline derivative is treated with base and alkylated with allylbromide in an appropriate solvent to afford the allyl-protected amino acid after purification. This compound is then treated at −30° C. with an appropriate base, triflic anhydride and then an appropriately protected diamino acid in an appropriate solvent to afford the desired compound after purification. After cleavage of the ester moiety with palladium(0) in an appropriate solvent, the compound is treated with EDCI and base in an appropriate solvent to afford the desired compound after purification. Cleavage of Fmoc protecting group by treatment with an suitable base affords the desired product. The free amine is then treated in the presence of an suitable polymer supported base with sulfonyl chlorides, acid chlorides or isocyanates to afford the desired compounds after purification. Removal of the Boc-protecting group with acid in a suitable solvent affords the final desired compounds after purification.

Starting with the enantiomers of the amino acid derivatives above, and proceeding through the general procedures as described above, the enantiomeric piperazinone derivatives can be made.

General synthetic scheme for the preparation of compounds with bridged piperazinones of this invention with R^13a,b═(═O)

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After removing the Fmoc group of the commercially available amino acid with Et₂NH, the primary amine is treated in an appropriate solvent with aldehydes or ketones in a reductive amination reaction to afford the desired products. Alternatively, the commercially available N-Boc-protected hydroxy amino acid ester can be treated with trifluoroacetic acid anhydride. The nucleophilic displacement reaction of the triflate with commercially available amines affords the desired products, after saponification of the ester moiety with base and purification. These compounds are then treated with EDCl and a base in an suitable solvent to afford the cyclic amides after purification. These compounds are converted to the desired products by removing the Boc-protection group. These compounds are then reacted in a suitable solvent with a cyclic sulfamidate, derived from a serine derivative, in the presence of base. Saponification of the ester of the reaction product with a suitable base yields the desired acid compounds after purification. Further treatment of the free acids with EDCI in the presence of an appropriate base and a suitable amine derivative, followed by acidic removal of the Boc-protecting group yields the desired compounds after purification.

Starting with the enantiomers of the amino acid and amine derivatives above, and proceeding through the general procedures as described above, the enantiomeric piperazinone derivatives can be made.

General synthetic scheme for the preparation of compounds with bridged piperazines of this invention with R^13a,band R^14a,b═H

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The commercially available bridged piperazine derivate is treated with a commercially available aziridine ester in an appropriate solvent to afford the desired compound after purification. After acidic removal of the Boc-protection group, the desired product reacts in presence of a base with an acid chloride or sulfonic acid chloride to yield the desired products after purification. After basic saponification, the free acids are treated with EDCI in the presence of an appropriate base and a suitable amine derivative to afford the desired compounds after purification. The Cbz-protecting group is then removed by treatment with TMSI and subsequent purification to afford the desired final compounds.

Starting with the enantiomers of the amine and aziridine derivatives above, and proceeding through the general procedures as described above, the enantiomeric piperazine derivatives can be made.

As can be seen by the generic schemes, each of the structures of “B” bonds to the “A” structures on its left side and to the “D” structures on its right side as each is depicted below. The compound A-B-D chooses an “A” which includes the following:

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A is desirably

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The “B” structures are chosen from:

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Desirably, B is one of structure (a), (b), (c), and (d). More desirably, B is structure (b)

The “D” structures are chosen from:

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The substituents are selected as follows:

E, G, and M represent a three ring system wherein M shares two carbon atoms with each of E and G;

E and G are each independently selected from 6-membered aryl, 5-membered heteroaryl; 6-membered heteroaryl; a 5-7-membered saturated or partially saturated carbocyclic ring; and a 5-7 membered saturated or partially saturated heterocyclic ring; desirably E and G are substituted phenyl; M is a 5-7-membered saturated or partially saturated carboxylic or heterocyclic ring, or a 5-6-membered aromatic or heteroaromatic ring.

E may be substituted with one or more R¹groups;

G may be substituted with one or more R²groups;

X and Y are divalent and are each independently: a bond, CR⁴R⁵, O, NR⁴, S, S═O, S(═O)₂, C(═O), (C═O)N(R⁴), S(═O)₂N(R⁴), C═N—OR⁴, —C(R⁴R⁵)C(R⁴R⁵)—, —C(R⁴)═C(R⁵)—, —C(R⁴R⁵)NR⁴—, —C(R⁴R⁵)O—, —C(R⁴R⁵)S(═O)_t—, —(C═O)O—, —(C═NR^a)N(R⁴)—, —(C═NR^a)—, N(C═O)NR⁴NR⁵, N(C═O)R⁴, N(C═O)OR⁴, NS(═O)₂NR⁴NR⁵, NS(═O)₂R⁴; or aryl, heteroaryl, cycloalkyl or heterocyclic ring, all may be optionally substituted;

R³is absent or is halogen, CF₃, COR⁴, OR⁴, NR⁴R⁵, NO₂, CN, SO₂OR⁴, CO₂R⁴, CONR⁴R⁵, CO₂H, SO₂NR⁴R⁵, S(O)_tR⁴, SO₃H, OC(O)R⁴, OC(O)NR⁴R⁵, NR⁴C(O)R⁵, NR⁴CO₂R⁵, (C₀-C₆)-alkyl-C(═NR^a)NHR⁴, (C₀-C₆)-alkyl-C(═NR⁴)NHR^a, (C₀-C₆)-alkyl-NR⁴C(═NR⁴)NR⁴R⁵, (C₀-C₆)-alkyl-C(O)OR⁴, (C₀-C₆)-alkyl-C(O)NR⁴R⁵, (C₀-C₆)-alkyl-C(O)—NH—CN, O—(C₀-C₆)-alkyl-C(O)NR⁴R⁵, S(O)_t—(C₀-C₆)-alkyl-C(O)OR⁴, S(O)_t—(C₀-C₆)-alkyl-C(O)NR⁴R⁵, (C₀-C₆)-alkyl-C(O)NR⁴—(C₀-C₆)-alkyl-NR⁴R⁵, (C₀-C₆)-alkyl-NR⁴R⁵, (C₀-C₆)-alkyl-NR⁴—C(O)R⁵, (C₀-C₆)-alkyl-NR⁴—C(O)OR⁴, (C₀-C₆)-alkyl-NR⁴—C(O)—NR⁴R⁵, (C₀-C₆)-alkyl-NR⁴—SO₂NR⁴R⁵, (C₀-C₆)-alkyl-NR⁴—SO₂R⁴, hydrogen, alkyl, cycloalkyl, cycloalkylalkyl, heterocycloalkyl, fluoroalkyl, heterocycloalkylalkyl, haloalkyl, alkenyl, alkynyl, aryl, heteroaryl, arylalkyl, heteroarylalkyl, alkoxyalkyl or aminoalkyl, wherein alkyl, cycloalkyl, cycloalkylalkyl, heterocycloalkyl, fluoroalkyl, heterocycloalkylalkyl, alkenyl, alkynyl, aryl, heteroaryl, arylalkyl, heteroarylalkyl, alkoxyalkyl and aminoalkyl all of which may be optionally substituted. Desirably, R³is absent or is —H, —OH, —CO₂H, —CN, —CONR⁴R⁵, R⁵, aryl, NH(C═O)R⁴, NH(SO₂)R⁴, heteroaryl —SO₃H, —PO₃H₂, —CONR⁴R⁵, R⁵, aryl, NH(C═O)R⁴, or NH(SO₂)R⁴, and more desirably, R³is —CONR⁴R⁵or tetrazolyl.

R^ais hydrogen, CN, NO₂, alkyl, haloalkyl, S(O)_tNR⁴R⁵, S(O)_tR⁴, C(O)OR⁴, C(O)R⁴, or C(O)NR⁴R⁵;

each occurrence of R⁴, R⁵, R²⁰and R²¹are each independently: hydrogen, alkyl, cycloalkyl, cycloalkylalkyl, heterocycloalkyl, fluoroalkyl, heterocycloalkylalkyl, alkynyl, aryl, heteroaryl, arylalkyl, heteroarylalkyl or aminoalkyl, wherein alkyl, cycloalkyl, cycloalkylalkyl, heterocycloalkyl, fluoroalkyl, heterocycloalkylalkyl, alkenyl, alkynyl, aryl, heteroaryl, arylalkyl, heteroarylalkyl and aminoalkyl are all optionally substituted, or R⁴and R⁵when taken together with the nitrogen to which they are attached complete a 3- to 8-membered ring containing carbon atoms and may optionally contain a heteroatom selected from O, S, or NR⁵⁰and the 3- to 8-membered ring may be optionally substituted. Desirably, R⁴and R⁵are each independently —H or alkyl.

R⁵⁰is, in each occurrence, R²⁰, CN, NO₂, S(O)_tNR²⁰R²¹, S(O)_tR²⁰, C(O)OR²⁰, C(O)R²⁰C(═NR^a)NR²⁰R²¹, C(═NR²⁰)NR²¹R^a, C(═NOR²⁰)R²¹or C(O)NR²⁰R²¹;

R⁹is H or C_1-6alkyl, desirably H.

R¹⁰is halogen, CF₃, COR⁴, OR⁴, NR⁴R⁵, NO₂, CN, SO₂OR⁴, CO₂R⁴, CONR⁴R⁵, CO₂H, SO₂NR⁴R⁵, S(O)_tR⁴, SO₃H, OC(O)R⁴, OC(O)NR⁴R⁵, NR⁴C(O)R⁵, NR⁴CO₂R⁵, (CO—C₆)-alkyl-C(═NR^a)NHR⁴, (C₀-C₆)-alkyl-C(═NR⁴)NHR^a, (C₀-C₆)-alkyl-NR⁴C(═NR⁴)NR⁴R⁵, (CO—C₆)-alkyl-C(O)OR⁴, (C₀-C₆)-alkyl-C(O)NR⁴R⁵, (C₀-C₆)-alkyl-C(O)—NH—CN, O—(C₀-C₆)-alkyl-C(O)NR⁴R⁵, S(O)_t—(C₀-C₆)-alkyl-C(O)OR⁴, S(O)_t—(C₀-C₆)-alkyl-C(O)NR⁴R⁵, (C₀-C₆)-alkyl-C(O)NR⁴—(C₀-C₆)-alkyl-NR⁴R⁵, (C₀-C₆)-alkyl-NR⁴R⁵, (C₀-C₆)-alkyl-NR⁴—C(O)R⁵, (C₀-C₆)-alkyl -NR⁴—C(O)OR⁴, (C₀-C₆)-alkyl-NR⁴—C(O)—NR⁴R⁵, (C₀-C₆)-alkyl-NR⁴—SO₂NR⁴R⁵, (C₀-C₆) -alkyl-NR⁴—SO₂R⁴, hydrogen, B(OH)₂, alkyl, cycloalkyl, cycloalkylalkyl, heterocycloalkyl, fluoroalkyl, heterocycloalkylalkyl, haloalkyl, alkenyl, alkynyl, aryl, heteroaryl, arylalkyl, heteroarylalkyl, alkoxyalkyl or aminoalkyl, wherein alkyl, cycloalkyl, cycloalkylalkyl, heterocycloalkyl, fluoroalkyl, heterocycloalkylalkyl, alkenyl, alkynyl, aryl, heteroaryl, arylalkyl, heteroarylalkyl, alkoxyalkyl and aminoalkyl are all optionally substituted. Desirably R¹⁰is CN.

R¹¹and R¹²are each independently: halogen, CF₃, COR⁴, OR⁴, NR⁴R⁵, NO₂, CN, SO₂OR⁴, CO₂R⁴, CONR⁴R⁵, CO₂H, SO₂NR⁴R⁵, S(O)_tR⁴, SO₃H, OC(O)R⁴, OC(O)NR⁴R⁵, NR⁴C(O)R⁵, NR⁴CO₂R⁵, (C₀-C₆)-alkyl-C(═NR^a)NHR⁴, (C₀-C₆)-alkyl-C(═NR⁴)NHR^a, (CO—C₆)-alkyl-NR⁴C(═NR⁴)NR⁴R⁵, (C₀-C₆)-alkyl-C(O)OR⁴, (C₀-C₆)-alkyl-C(O)NR⁴R⁵, (C₀-C₆)-alkyl-C(O)—NH—CN, O—(C₀-C₆)-alkyl-C(O)NR⁴R⁵, S(O)_t—(C₀-C₆)-alkyl-C(O)OR⁴, S(O)_t—(C₀-C₆)-alkyl-C(O)NR⁴R⁵, (C₀-C₆)-alkyl-C(O)NR⁴—(C₀-C₆)-alkyl-NR⁴R⁵, (C₀-C₆)-alkyl-NR⁴R⁵, (C₀-C₆)-alkyl-NR⁴—C(O)R⁵, (C₀-C₆)-alkyl-NR⁴—C(O)OR⁴, (C₀-C₆)-alkyl-NR⁴—C(O)—NR⁴R⁵, (C₀-C₆)-alkyl-NR⁴—SO₂NR⁴R⁵, (C₀-C₆)-alkyl-NR⁴—SO₂R⁴, hydrogen, alkyl, cycloalkyl, cycloalkylalkyl, heterocycloalkyl, fluoroalkyl, heterocycloalkylalkyl, haloalkyl, alkenyl, alkynyl, aryl, heteroaryl, arylalkyl, heteroarylalkyl, alkoxyalkyl or aminoalkyl, wherein alkyl, cycloalkyl, cycloalkylalkyl, heterocycloalkyl, fluoroalkyl, heterocycloalkylalkyl, alkenyl, alkynyl, aryl, heteroaryl, arylalkyl, heteroarylalkyl, alkoxyalkyl and aminoalkyl all may be optionally substituted;

R^13aand R^13bare each independently R⁵or together are ═O;

R^14aand R^14bare each independently R⁵or together are ═O;

R^13cand R^14care each independently R⁵;

Q^ais CH or N;

Q^bis CH or N;

W is —CH₂—, —S—, —CHF— or —CF₂—;

Z is C or N;

m is 1, or 2;

n is 0, 1, or 2;

p is 0 to 6;

q is 0 to 6; and

t is 0, 1, or 2.

EXAMPLES

The DPP-IV inhibition activity of the DPP-IV inhibitor compounds of the present invention may be measured using any suitable assay known in the art. A standard in vitro assay for measuring DPP-IV inhibitor activity is described.

The synthesis of DPP-IV inhibiting compounds of the invention and their biological activity assay are described in the following examples which are not intended to be limiting in any way.

Examples and Methods

All reagents and solvents were obtained from commercial sources and used without further purification. Proton (¹H) spectra were recorded on a 250 MHz NMR spectrometer in deuterated solvents. Chromatography was performed using Roth silica gel (Si 60, 0.06-0.2 mm) and suitable organic solvents as indicated in specific examples. For flash chromatography Roth silica gel (Si 60, 0.04-0.063 mm) was used. Thin layer chromatography (TLC) was carried out on silica gel plates with UV detection. Preparative thin layer chromatography (Prep-TLC) was conducted with 0.5 mm or 1 mm silica gel plates (Merck Si 60, F₂₅₄) and the solvents indicated in the specific examples.

Preparative Example 1

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Commercially available prolinamide (5 g) was first treated with bromacetylbromide (4.2 ml) in CH₂Cl₂and then with trifluoracetic acid anhydride in CH₂Cl₂as described in WO 98/19998 to afford the title compound (7.85 g; 83%).

¹HNMR δ (CDCl₃) 2.05-2.40 (m, 4H), 3.51-3.70 (m, 2H), 3.80-3.85 (m, 2H), 4.70-4.86 (m, 1H).

Preparative Example 2

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Step A

Commercially available L-prolinamide (25 g) was dissolved in CH₂Cl₂(1200 ml) and triethylamine (30 ml) and 4-dimethylaminopyridine (1.9 g) added. The mixture was cooled to 0° C. and treated with fumaryl chloride (11.7 ml). The dark mixture was stirred at rt for 16 h and cooled to 0° C. TFAA (77 ml) was added dropwise under stirring and the solution allowed to warm to rt over 6 hours. The reaction mixture was stirred at rt for 1 to 2 days. Ice (500 g) was added followed by cautious addition of sat. NaHCO₃(600 ml). After the evolution of gas had ceased, the organic phase was separated and washed with sat. NaHCO₃(350 ml), H₂O (350 ml), and brine (200 ml). The organic phase was dried over MgSO₄and concentrated to afford the title compound (28.6 g; 98%).

¹HNMR δ (CDCl₃) 2.12-2.30 (m, 8H), 3.58-3.69 (m, 2H), 3.73-3.89 (m, 2H), 4.72-4.83 (m, 2H), 7.26 (s, 2H).

Step B

The title compound from Step A above (9.6 g) was dissolved in CHCl₃(90 ml) and MeOH (90 ml) and cooled to −78° C. At −78° C. a slow flow of ozone (originating from an O₂cylinder) was passed through the mixture for 3 h. The mixture was purged with N₂and dimethylsulfide (6 ml) added. The mixture was stirred for 1 h, allowed to reach rt and concentrated. The residue was purified by chromatography on silica (CH₂Cl₂/MeOH, 100:0->92:8) to afford the title compound as a mixture of the aldehyde and methoxy hemiacetal in a ratio of ˜1:9 (8.9 g; 69%).

¹HNMR δ (D₂O) 2.10-2.38 (m, 4H), 3.32 (s, 3H), 3.60-3.84 (m, 2H), 4.72-4.81 (m, 1H), 5.5 (s, 9/10H), 7.9 (s, 1/10H).

Preparative Example 3

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Step A

Commercially available 2-cyano-3-methylpyridine (25 g) was dissolved in t-butanol (50 ml) and stirred at 80° C. Concentrated sulphuric acid (25 ml) was slowly added over a period of 45 minutes. After complete addition of the acid stirring was continued at 80° C. for 1 h. The reaction was diluted with water (50 ml) and toluene (125 ml). The pH was adjusted to 10 with 25% aqueous ammonia (110 ml). The separated organic phase was concentrated in vacuum affording the desired product (27 g, 90%).

¹HNMR δ (CDCl₃) 1.4 (s, 9H), 2.7 (s, 3H), 7.2-7.3 (m, 1H), 7.6 (m, 1H), 8.1 (s br, 1H), 8.4 (m, 1H)

Step B

The title compound of Step A (12 g) above was dissolved in THF (150 ml) and cooled to −64° C. n-Butyllithium (1.6 M in hexane, 77 ml) was added over a period of 30 min. After addition of sodium bromide (0.6 g) stirring was continued for 30 min at −64° C. m-Chlorobenzylchloride (11 g) was added while the temperature was kept below −55° C. The mixture was stirred for 2 hours at −60° C. and for further 2 h at −110° C. Subsequently, the reaction was quenched with water (100 ml) and concentrated. The aqueous phase was extracted with chloroform (3×100 ml). The combined organic phase was dried over MgSO₄and concentrated in vacuum affording the title compound (22 g; 82%).

¹HNMR δ (CDCl₃) 1.4 (s, 9H), 2.9-3.0 (m, 2H), 3.4-3.5 (m, 2H), 7.0-7.4 (m, 6H), 8.0 (s br, 1H), 8.4 (m, 1H)

Step C

The title compound of Step B (21.5 g) above was dissolved in phosphorus oxychloride (80 ml) and refluxed for 5 h. The reaction was concentrated and neutralized with 50% aqueous NaOH. The solid was separated and washed with hot isopropanol to afford the title compound (10.4 g; 63%)

¹HNMR δ (CDCl₃) 2.9-3.0 (m, 2H), 3.0-3.2 (m, 2H), 7.0-7.3 (m, 4H), 7.3-7.4 (m, 1H), 7.4-7.5 (m, 1H), 8.5-8.6 (m, 1H)

Step D

The title compound of Step C (10 g) above was dissolved in trifluorosulfonic acid (80 ml) and stirred at 60° C. for 1 h. At rt 6 N aqueous HCl (80 ml) was dropwise added. The reaction was refluxed for 1 h and subsequently, poured on ice. After neutralization with 50% aqueous NaOH the precipitate was separated, washed with water and recrystallized from isopropanol/water (3.1) affording the title compound. The mother liquor was concentrated and the residue washed with water and chloroform to afford additional title compound (9.4 g; 94%).

¹HNMR δ (MeOD-d₄) 3.3-3.4 (m, 2H), 3.4-3.5 (m, 2H), 7.5 (m, 2H), 8.1-8.2 (m, 2H), 8.7 (d, 1H), 8.9 (d, 1H)

Step E

The title compound of Step D (700 mg) above was dissolved in MeOH (10 ml) and cooled to 0° C. NaBH₄(95 mg) was added in one portion. The mixture was allowed to warm to RT and stirred for 1 h. The reaction was acidified with 1 N HCl and subsequently, brought to pH 12 with 1 N NaOH. The mixture was poured in water (100 ml) and extracted with CHCl₃(100 ml). The organic phase was dried over MgSO₄and concentrated affording the title compound (705 mg; 100%).

¹HNMR δ (MeOD-d₄) 3.0-3.4 (m, 4H), 6.1 (s, 1H), 7.1.7.3 (m, 3H), 7.5-7.6 (m, 2H), 8.3.8.4 (m, 1H)

Step F

The title compound of step E (370 mg) above was dissolved in toluene (5 ml) and cooled to −15° C. Thionyl chloride (286 mg) was slowly added and the reaction was allowed to come to RT and run overnight. The solution was neutralized with triethylamine and directly used in the next step.

Preparative Example 4

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Step A

The title compound from Preparative Example 3 Step E (285 mg) was dissolved in ethanol (10 ml) and 10% Pd/C (100 mg) and ammonium formate (916 mg) were added. The mixture was refluxed for 2 h. Subsequently, the reaction was treated with water (20 ml) and extracted twice with chloroform (50 ml). The combined organic phase was dried over MgSO₄and concentrated. The residue was purified by chromatography on silica (EtOAc/cyclohexane 1:4) to afford the title compound (200 mg; 82%).

¹HNMR δ (MeOD-d₄) 2.9-3.1 (m, 2H), 3.3-3.6 (m, 2H), 6.3 (s, 1H), 7.0-7.3 (m, 4H), 7.4 (m, 1H), 7.8 (m, 1H), 8.3 (m, 1H)

Step B

The title compound of Step A (200 mg) above was dissolved in toluene (5 ml) and cooled to −15° C. Thionyl chloride (235 mg) was slowly added and the reaction was allowed to come to RT and run overnight. The solution was neutralized with triethylamine directly used.

Preparative Example 5

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To a cooled solution (12° C.) of commercially available ethylenediamine (30 ml) was added within 5 min commercially available dibenzosuberylchloride (3.3 g). The mixture was stirred at rt for 1 h and then K₂CO₃(5.8 g) was added. After an additional 30 min at rt, the mixture as filtered, the salts washed with 5 ml ethylenediamine and the filtrates concentrated. The residue was dissolved in 80 ml EtOAc, 20 ml H₂O and 5 ml NH₄OH-solution (25%). The organic phase was separated, dried over MgSO₄and concentrated to afford the title compound (3.4 g; 93%; MH⁺=253).

Preparative Example 6-9

The title compounds from Preparative Example 6 to 9 were prepared according to the procedure described in Preparative Example 5 using the chlorides and amines as indicated in the Table below. In case the chlorides did not dissolve in the amines after 10 Min, CH₃CN or THF was added until a clear solution was obtained.

Preparative

1. Yield

Example
Chloride
Amine
Product
2. MH⁺

6

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NH₄OH

1. 61% 2. ¹H-NMR δ (CDCl₃) 2.0 (s, 2H), 3.10-3.24 (m, 2H), 3.31-3.45 (m, 2H), 5.43 (s, 1H), 7.10-7.19 (m, 6H), 7.36-7.41 (m, 2H)

7

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1. 97% 2. 281

8

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1. 60% 2. 288

9

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1. 78% 2. ¹H-NMR δ (CD₃OD) 2.6-2.8 (m, 4H), 3.0-3.2 (m, 2H), 3.3-3.6 (m, 2H), 5.2 (s, 1H), 7.1-7.2 (m, 4H), 7.3-7.4 (m, 1H), 7.5 (m, 1H), 8.2-8.3 (m, 1H)

Preparative Example 10

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Step A

Commercially available dibenzosuberylchloride (300 mg) and 4-N-Boc-amino-piperidine (290 mg) were suspended in CH₃CN (10 ml). After 10 min K₂CO₃(545 mg) was added and the mixture was stirred at rt for 3 h. The mixture was diluted with EtOAc (30 ml) and H₂O (15 ml), the organic phase separated, dried over MgSO₄and concentrated to afford the title compound (460 mg; 89%; MH⁺=393).

Step B

The title compound from Step A above (460 mg) was dissolved in a solution of 4 M HCl in dioxane (20 ml). The mixture was stirred at rt for 2 h and concentrated to afford the title compound (335 mg; 97%; MH⁺=293).

Preparative Example 11-12

The title compounds from Preparative Example 11 and 12 were prepared according to the procedure described in Preparative Example 10 using the chlorides and amines as indicated in the Table below.

Preparative

1. Yield

Example
Chloride
Amine
Product
2. MH⁺

11

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1. 64% 2. 279

12

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1. 56% 2. 265

Preparative Example 13

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Step A

To a suspension of AgCN (4.7 g) in CH₃CN (60 ml) under nitrogen was added at rt a solution of commercially available dibenzosuberylchloride (6 g) in CH₃CN (60 ml) and benzene (10 ml). The mixture was heated at reflux for 2 h, cooled to rt and filtered. The salts were washed with 20 ml CH₃CN and the filtrates concentrated. The residue was purified by chromatography on silica (EtOAc/cyclohexane, 1:9) to afford the title compound (5 g; 87%; MNa⁺=242).

Step B

A suspension of LiAlH₄(360 mg) in Et₂O (20 ml) was slowly treated with a solution of AlCl₃(950 mg) in Et₂O (20 ml). The mixture was stirred at rt for 10 min and then the title compound from Step A above (1.03 g) was added within 5 min. The mixture was stirred at rt for 10 min and then refluxed for 8 h. After the addition of H₂O (20 ml) and 25% NH₄OH (6 ml), the mixture was filtered and the salts washed with H₂O (20 ml) and Et₂O (10 ml). The organic phase was separated, dried over MgSO₄and concentrated to afford the title compound (157 mg; 15%; MH⁺=224).

Preparative Example 14

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Step A

To a solution of commercially available iminodibenzyl (5 g) in toluene (25 ml) was added commercially available bromoacetylbromide (4.35 ml). The mixture was heated under reflux for 2 h 30 Min, cooled and concentrated. A portion of the crude product (800 mg) was dissolved in DMA (6 ml) and treated with NaN₃(815 mg). The mixture was heated at 60-70° C. overnight and diluted with EtOAc (30 ml) and H₂O (10 ml). The organic phase was separated, dried over MgSO₄and concentrated. The residue was treated with EtOAc/cyclohexane (1:9) (2 ml), sonicated for 2 min and the solvents removed by syringe. The residue was dried to afford the title compound (483 mg; 69%; MH⁺=279).

Step B

The title compound from Step A above (483 mg) was dissolved in MeOH (25 ml) and 10% Pd/C (100 mg) added. The mixture was hydrogenated for 1 h, filtered and the catalyst washed with MeOH (10 ml). The filtrates were concentrated and the residue purified by chromatography on silica (CH₂Cl₂/MeOH, 9:1) to afford the title compound (415 mg; 95%; MH⁺=253).

Step C

To a suspension of LiAlH₄(242 mg) in THF (6 ml) was added a solution of the title compound from Step B above (322 mg) in THF (6 ml). The mixture was heated under reflux for 2 h 30 min. The mixture was cooled to 0° C., quenched with H₂O (0.3 ml) and diluted with 15% NH₄OH-solution (0.3 ml) and H₂O (0.8 ml). The mixture was stirred at rt for 45 Min, filtered and the salts washed with THF (8 ml). The filtrates were concentrated and the residue purified by chromatography on silica (CH₂Cl₂/MeOH, 9:1) to afford the title compound (79 mg; 26%; MH⁺=239).

Preparative Example 15

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Step A

A mixture of commercially available dibenzosuberenol (1.5 g) and malonic acid (830 mg) was heated at 160-170° C. for 2 h. A mixture of H₂O (5 ml) and 0.1 M HCl (5 ml) was added and the mixture cooled to rt. The mixture was diluted with EtOAc (100 ml) and H₂O (10 ml), the organic phase separated, dried over MgSO₄and concentrated. The residue was purified by chromatography on silica (CH₂Cl₂/acetone, 98:2->CH₂Cl₂/acetone, 9:1) to afford the title compound (775 mg; 43%; MNa⁺=273).

Step B

A mixture of title compound from Step A above (775 mg) and triethylamine (0.59 ml) in THF (20 ml) was cooled to −40° C. and treated with isobutylchloroformate. After stirring at −40° C. for 1 h, the mixture was filtered and the salts washed with THF (5 ml). The filtrates were then treated at 0° C. with 25% NH₄OH (15 ml) for 1 h 30 min. The mixture was diluted with EtOAc (60 ml), the organic phase separated, dried over MgSO₄and concentrated. The residue was treated with CHCl₃(1.5 ml), the solvent removed by syringe and the residue dried to afford the title compound (677 mg; 88%; MH⁺=250).

Step C

To a suspension of LiAlH₄(513 mg) in THF (15 ml) was added a solution of the title compound from Step B above (677 mg) in THF (25 ml). The mixture was heated under reflux for 2 h. The mixture was cooled to 0° C., quenched with H₂O (0.65 ml) and diluted with 4 M NaOH-solution (2.5 ml). The mixture was stirred at rt for 45 Min, filtered and the salts washed with THF (15 ml). The filtrates were concentrated and the residue purified by chromatography on silica (CH₂Cl₂/MeOH, 9:1) to afford the title compound (560 mg; 88%; MH⁺=236).

Step D

The title compound from Step C above (350 mg) was dissolved in MeOH (15 ml) and 10% Pd/C (300 mg) and 1 M HCl (1.5 ml) were added. The mixture was hydrogenated overnight, filtered and the catalyst washed with MeOH (10 ml). The filtrates were concentrated and the residue dissolved in EtOAc (30 ml) and sat. NaHCO₃(10 ml). The organic phase was separated and the aqueous phase extracted with EtOAc (20 ml). The combined organic phase was dried over MgSO₄and concentrated to afford the title compound (232 mg; 66%; MH⁺=238).

Preparative Example 16

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Step A

The intermediate from Preparative Example 14 Step A (1 g) was dissolved in DMA (6 ml) and treated with NaCN (368 mg). The mixture was heated at 60-70° C. overnight and diluted with EtOAc (50 ml) and H₂O (15 ml). The organic phase was separated, dried over MgSO₄and concentrated. The residue was purified by chromatography on silica (CH₂Cl₂/acetone, 98:2) to afford the title compound (282 mg; 34%; MH⁺=263).

Step B

To a suspension of LiAlH₄(123 mg) in THF (6 ml) was added a solution of the title compound from Step A above (282 mg) in THF (6 ml). The mixture was heated at 50° C. for 2 h, cooled to 0° C. and treated with H₂O (0.2 ml) and 4 M NaOH (0.8 ml). The mixture was stirred at rt for 45 Min, treated with MgSO₄and filtered. The filtrate was concentrated and the residue purified by chromatography on silica (CH₂Cl₂/MeOH, 95:5->CH₂Cl₂/MeOH, 9:1) to afford the title compound (32 mg; 12%; MH⁺=253).

Preparative Example 17

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Step A

To a suspension of magnesium (701 mg) in Et₂O (7 ml) was slowly added ethylbromide (2.15 ml). After the formation of the Grignard reagent, the mixture was cooled to 5° C. and a solution of diethylamine (3 ml) in Et₂O (5 ml) was slowly added. The mixture was refluxed for 30 Min, cooled to 5° C. and treated with a mixture of commercially available dibenzosuberone (3 g) and tert-butylacetate (1.95 ml) in Et₂O (15 ml). The mixture was heated under reflux for 2 h, cooled to rt and poured onto ice-water containing an excess of NH₄Cl. The mixture was extracted with CH₂Cl₂(3×100 ml), the organic phase dried over MgSO₄and concentrated. The residue was purified by chromatography on silica (EtOAc/cyclohexane, 1:9) to afford the title compound (3.5 g; 75%; MNa⁺=347).

Step B

To a suspension of LiAlH₄(346 mg) in THF (12 ml) was added a solution of the title compound from Step A above (2 g) in THF (12 ml). The mixture was heated under reflux for 2 h, cooled to 0° C. and treated 4 M NaOH (4.5 ml). The mixture was stirred at rt for 45 min and filtered. The filtrate was concentrated and the residue dissolved in EtOAc (100 ml), H₂O (10 ml) and sat. NH₄Cl (10 ml). The organic phase was separated, dried over MgSO₄and concentrated. The residue was purified by chromatography on silica (EtOAc/cyclohexane, 3:7) to afford the title compound (937 mg; 60%; MNa⁺=277).

Step C

The title compound from Step B above (937 mg) was dissolved in benzene (1.5 ml) and pyridine (1.5 ml). The mixture was cooled to 5° C. and treated with a solution of p-tosylchloride in benzene (1.5 ml). The mixture was stirred at rt for 7 h, diluted with EtOAc (40 ml) and washed with 0.1 M HCl (10 ml), sat. NaHCO₃(10 ml) and brine (10 ml). The organic phase was separated, dried over MgSO₄and concentrated. The crude intermediate was dissolved in DMA (9 ml) and treated with NaN₃(1.2 g). The mixture was heated at 70° C. overnight and the DMA removed. The residue was dissolved in EtOAc (50 ml), sat. NaHCO₃(10 ml) and brine (10 ml). The organic phase was separated, dried over MgSO₄and concentrated. The residue was purified by chromatography on silica (EtOAc/cyclohexane, 1:4) to afford the title compound (704 mg; 68%; MNa⁺=302).

Step D

The title compound from Step C above (200 mg) was dissolved in MeOH (8 ml) and 10% Pd/C (40 mg) added. The mixture was hydrogenated for 1 h 30 Min, filtered and the catalyst washed with MeOH (10 ml). The filtrates were concentrated to afford the title compound (175 mg; 96%; MH⁺=254).

Step E

The title compound from Step D above (75 mg) was dissolved in EtOH (1 ml) and a 4 M solution of HCl in dioxane (1 ml) added. The mixture was stirred at rt for 12 h and concentrated. The residue was dissolved in EtOAc (20 ml) and sat. NaHCO₃(5 ml). The organic phase was separated, dried over MgSO₄and concentrated to afford the title compound (67 mg; 96%; M⁺—NH₃=219).

Preparative Example 18

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Step A

The title compound from Preparative Example 13 Step A (1.1 g) was dissolved in THF (5 ml) and added to a suspension of NaH (132 mg) in THF (5 ml). The mixture was heated under reflux for 1 h, cooled to rt and treated with 1,2-dibromoethane (0.9 ml) in THF (1 ml). The mixture was heated under reflux for 4 h, cooled to rt and filtered. The salts were washed with THF (5 ml) and the filtrates concentrated. The residue was dissolved in DMA (12 ml) and treated with NaN₃(1.6 g). The mixture was heated at 60-70° C. overnight and the DMA removed. The residue was dissolved in EtOAc (40 ml) and H₂O (10 ml), the organic phase separated, dried over MgSO₄and concentrated. The residue was purified by chromatography on silica (EtOAc/cyclohexane, 1:9) to afford the title compound (1.14 g; 78%; MH⁺=289).

Step B

The title compound from Step A above (510 mg) was dissolved in MeOH (20 ml) and 10% Pd/C (150 mg) and 2 M HCl (0.9 ml) added. The mixture was hydrogenated for 1 h 30 Min, filtered and the catalyst washed with MeOH (10 ml). The filtrates were concentrated and the residue purified by chromatography on silica (CH₂Cl₂/MeOH, 95:5 to CH₂Cl₂/MeOH, 4:1) to afford a mixture of the title compound and the cyclic amidine (450 mg; 96%; MH+=263).

Step C

The title compounds from Step B above (350 mg) were treated with 2 ml 57% H₂SO₄. The mixture was heated at 100° C. for 3 h, cooled to rt and diluted with H₂O (10 ml). The mixture was made alkaline (pH˜11) by adding 10% NaOH and extracted with EtOAc (3×30 ml). The organic phase was dried over MgSO₄and concentrated. The residue was purified by chromatography on silica (CH₂Cl₂/MeOH, 9:1 to CH₂Cl₂/MeOH (7 M NH₃), 9:1) to afford a mixture of the title compound and the cyclic amidine (223 mg; 60%; MH⁺=281).

Preparative Example 19

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Step A

Commercially available (S)-2-aminopropan-1-ol (2.0 g) was dissolved in CH₂Cl₂(20 ml) and Boc₂O (6.4 g) was added. After stirring for 4 h at room temperature the solvent was removed to afford the title compound (4.7 g, 99%).

¹H-NMR δ (CDCl₃): 1.10 (s, 3H), 1.50 (s, 9H), 2.40 (s, 1H), 3.45-3.70 (m, 2H), 3.75-3.80 (m, 1H), 4.80 (s, 1H).

Step B

Imidazole (4.1 g) was dissolved in CH₂Cl₂(50 ml) and cooled to 0° C. Thionyl chloride (1.3 ml) dissolved in CH₂Cl₂(10 ml) was added dropwise and the resulting suspension was allowed to warm to rt. Stirring was continued for 1 h at rt and then the mixture was cooled to −78° C. A solution of the title compound from Step A above (1.8 g) in CH₂Cl₂(50 ml) was added over a period of 1 h and the resulting mixture was allowed to warm to rt and stirred overnight. The mixture was filtered through celite and the filter aid was washed well with CH₂Cl₂. The organic phase was diluted with CH₂Cl₂, washed with water and brine, dried over MgSO₄, filtered and concentrated to a volume of approx. 100 ml.

A solution of NaIO₄(4.3 g) in water (100 ml) was added and the mixture was cooled to 0° C. Ru(IV)O₂hydrate (150 mg) was added and the black suspension was stirred for 2 h at 0° C. It was then warmed to rt and stirred overnight. The mixture was filtered through celite and the filtrate was extracted with CH₂Cl₂. The combined organic phase was washed with brine, dried and filtered. Treatment of the filtrate with activated charcoal (2 g) for 30 min removed traces of ruthenium. The mixture was filtered again and evaporated to yield the title compound (1.5 g, 63%).

¹H-NMR δ (CDCl₃): 1.45 (s, 3H), 1.49 (s, 9H), 4.14 (dd, 1H), 4.29-4.42 (m, 1H), 4.61 (dd, 1H).

Preparative Example 20

The title compound from Preparative Example 20 was prepared according to the procedure described in Preparative Example 19 using the aminoalcohol as indicated in the Table below.

Preparative

1. Yield

Example
Aminoalcohol
Product
2. ¹H-NMR

20

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1. 69% 2. ¹H-NMR δ (CDCl₃): 1.45 (s, 3H), 1.49 (s, 9H), 4.14 (dd, 1H), 4.29-4.42 (m, 1H), 4.61 (dd, 1H).

Preparative Example 21

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Step A

To a stirred solution of the commercially available 2-(S)-amino propanol (17.4 g) in water (200 ml) was added a solution of triethylamine (32 ml) in dioxane (200 ml). To the solution was added commercially available 1-[2-(Trimethylsilyl)ethoxy-carbonyloxy]pyrrolidin-2,5-dione (60 g). The mixture was stirred at rt overnight, then diluted with water (200 ml), acidified with 1 N HCl, and extracted with Et₂O (2×500 ml). The combined organic phase was washed with brine, dried over MgSO₄and evaporated to afford the title compound (44.2 g; 87

¹H-NMR δ (CDCl₃): 0.02 (s, 9H), 0.90-1.05 (m, 2H), 1.20 (d, 3H), 2.80 (br s, 1H), 3.40-3.80 (m, 3H), 4.10-4.20 (m, 2H), 4.85 (s, 1H).

Step B

Imidazole (96 g) was dissolved in CH₂Cl₂(1200 ml) and cooled to 0° C. Thionyl chloride (30.8 ml) was diluted with CH₂Cl₂(600 ml) and added dropwise. The resulting suspension was allowed to warm to rt. Stirring was continued for 1 h at rt and then the mixture was cooled to −78° C. A solution of the title compound from Step A above (44.2 g) in CH₂Cl₂(1200 ml) was added over a period of 1 h and the resulting mixture was allowed to warm to rt and stirred overnight. The mixture was filtered through celite, the filter aid was washed well with CH₂Cl₂. The organic phase was washed with water (2×700 ml), dried over MgSO₄, filtered and concentrated to a volume of approx. 1000 ml.

A solution of NaIO₄(100 g) in water (1000 ml) was added and the mixture was cooled to 0° C. RuO₂×H₂O (1 g) was added and the black suspension was stirred for 2 h at 0° C. It was then warmed to rt and stirred overnight. The phases were separated and the organic phase was treated with granulated charcoal (˜20 g). The mixture was stirred for approx. 1 h, filtered through celite and the filtrate was dried with MgSO₄, filtered and evaporated to yield the title compound (50.7 g, 89%).

¹H-NMR δ (CDCl₃): 0.02 (s, 9H), 1.00-1.15 (m, 2H), 1.50 (d, 3H), 4.15 (dd, 1H), 4.35-4.45 (m, 3H), 4.65 (dd, 1H).

Preparative Example 22-23

Following a similar procedure as that described in Preparative Example 21 but using the aminoalcohols as indicated in the Table below, the title compounds were obtained.

Preparative

1. Yield

Example
Aminoalcohol
Product
2. ¹H-NMR

22

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1. 58% 2. ¹H-NMR δ (CDCl₃): 0.02 (s, 9H), 1.00-1.15 (m, 2H), 4.00-4.10 (m, 2H), 4.25-4.40 (m, 2H), 4.55-4.65 (m, 2H).

23

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1. 32% (M + Na)⁺ = 318

Preparative Example 24-46

If one were to follow a similar procedure as that described in Preparative Example 21 but using the aminoalcohols as indicated in the Table below, one would obtain the desired products.

Preparative

Example
Aminoalcohol
Product

24

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Preparative Example 47

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Step A

A suspension of NaH (132 mg) in THF (10 ml) was added to a solution of Preparative Example 13 Step A (1.1 g) in THF (20 ml) and heated at 60° C. for 1 h. Then the mixture was cooled to 0° C. and a solution of Preparative Example 19 (1.2 g) in THF (10 ml) was added. The suspension was heated at 60° C. for 4 h and then diluted with ethyl acetate. The organic phase was washed with water, brine and dried over MgSO₄. Removal of the solvents and column chromatography (EtOAc/hexane, 1:4) afford the title compound (1.7 g, 90%, MH⁺=377).

Step B

The title compound from Step A above (1.5 g) was dissolved in 57% H₂SO₄and the solution was heated at 100° C. for 2 h. The mixture was diluted with water and extracted with ethyl acetate. The organic phase was discarded and 50%-aqueous KOH solution added to the aqueous phase until pH>8. The aqueous phase was extracted with ethyl acetate (2×75 ml). The organic phase was washed with water, brine, dried over MgSO₄and evaporated to afford the title compound. (600 mg, 53%).

¹H-NMR δ (CDCl₃): 0.95 (d, 3H), 1.82 (s, 2H), 2.37-2.58 (m, 2H), 2.82-2.92 (m, 1H), 3.18 (s, 4H), 5.60 (s, 2H), 7.08-7.24 (m, 6H), 7.40-7.48 (m, 2H).

Preparative Example 48

The title compound was prepared according to the procedure described in Preparative Example 47 using the sulfamidate from Preparative Example 20 as indicated in the Table below.

Preparative

1. Yield

Example
Nitrile
Sulfamidate
Product
2. ¹H-NMR

48

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1. 80% 2. ¹H-NMR δ (CDCl₃): 0.95 (d, 3H), 1.82 (s, 2H), 2.37- 2.58 (m, 2H), 2.82- 2.92 (m, 1H), 3.18 (s, 4H), 5.60 (s, 2H), 7.08- 7.24 (m, 6H), 7.40- 7.48 (m, 2H).

Preparative Example 49

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Step A

Commercially available 2,5-dibromotoluene (8.28 ml) was dissolved in hexane (90 ml) and treated with a 1.6 M solution of butyllithium in hexane (160 ml). The mixture was heated at 60° C. for 20 h, cooled to rt and poured onto a mixture of dry ice in Et₂O (750 ml). The mixture was allowed to warm to rt, filtered and the precipitate washed with 90 ml Et₂O. The precipitate was titrated with 140 ml glacial acetic acid to afford the title compound (10 g; 92%).

¹H-NMR δ (DMSO-d₆) 2.58 (s, 3H), 7.80-7.90 (m, 3H)

Step B

The title compound from Step A above (13 g) was suspended in MeOH (300 ml) and slowly treated with thionyl chloride (15.7 ml). The mixture was heated under reflux for 2 h to become a clear solution. The solvents were concentrated to afford the title compound (13.3 g; 88%; MH⁺=209).

Step C

The title compound from Step B above (13.3 g) was dissolved in CCl₄(500 ml) and commercially available N-bromosuccinimide (10.7 g) added. The mixture was heated to 80° C. and commercially available AIBN (327 mg) added. The mixture was then irradiated with a 100 W light bulb and heated at 100-105° C. for 2 h 30 min. The cooled mixture was filtered and the precipitate washed with 50 ml CCl₄. The filtrates were concentrated and the residue dissolved in CH₃CN (180 ml). The mixture was treated with triphenylphosphine (16 g) and heated under reflux for 3 h. The mixture was concentrated to ˜100 ml and Et₂O (500 ml) added. The mixture was allowed to stand at rt for 30 Min, filtered and the precipitate washed with Et₂O (30 ml) to afford the title compound (20 g; 57%).

Step D

The title compound from Step C above (20 g) was suspended in CH₃CN (160 ml) and commercially available 4-Fluorobenzaldehyde (5.4 ml) added. The mixture was then treated with commercially available DBN (10 ml) and heated at 100° C. for 1 h. The mixture was concentrated to half its volume and poured into H₂O (150 ml). The mixture was extracted with EtOAc (2×150 ml), the organic phase washed with 5% HCl (2×75 ml), dried over MgSO₄and concentrated. The residue was suspended in H₂O (240 ml) and MeOH (20 ml) and KOH (20 g) added. The mixture was heated at 100° C. for 16 h, cooled to rt and washed with CH₂Cl₂(3×75 ml). The aqueous phase was acidified (pH˜1) by adding conc. HCl, filtered, the precipitate washed with H₂O (20 ml) and air-dried. The residue was dissolved in MeOH (900 ml) and 10% Pd/C (1.5 g) added. The mixture was hydrogenated for 1 h, filtered, the catalyst washed with MeOH (50 ml) and concentrated to afford the title compound (8.6 g; 82%; MH⁺=289).

Step E

The title compound from Step D above (1.44 g) was suspended in sulfolane (9 ml) and treated with polyphosphoric acid (30 g). The mixture was heated under N₂at 170-175° C. for 3 h and poured onto ice-water (150 ml). The mixture was stirred at rt for 1 h, extracted with EtOAc (2×150 ml), dried over MgSO₄and concentrated. The residue was dissolved in MeOH (20 ml) and treated with thionyl chloride (1 ml). The mixture was heated under reflux for 1 h and concentrated. The residue was dissolved in Et₂O (100 ml) and washed with sat. NaHCO₃(30 ml) and brine (30 ml). The organic phase was separated, dried over MgSO₄and concentrated. The residue was purified by chromatography on silica (CH₂Cl₂) to afford the title compound (960 mg; 67%; MH⁺=285).

Step F

The title compound from Step E (1420 mg) was dissolved in CHCl₃(20 ml) and MeOH (20 ml) and treated with NaBH₄(230 mg). The mixture was stirred at rt for 1 h and poured onto ice-water (150 ml). The mixture was extracted with EtOAc (2×150 ml), the organic phase dried over MgSO₄and concentrated to afford the title compound (1420 mg; 99%, M⁺+Na=309).

Step G

The title compound from Step F above (1420 mg) was dissolved in THF (20 ml) and treated with thionyl chloride (0.91 ml). The mixture was stirred at rt for 16 h and concentrated without heating. The residue was dissolved in CH₃CN (17 ml) and treated with AgCN (785 mg). The mixture was heated at 90° C. for 2 h 30 Min, filtered and the salts washed with CH₃CN (40 ml). The filtrates were concentrated and the residue purified by chromatography on silica (CH₂Cl₂) to afford the title compound (1160 mg; 79%; MH⁺=296).

Step H

The title compound from Step G above (1327 mg) was dissolved in degassed THF (15 ml) and added to a suspension of NaH (119 mg) in degassed THF (5 ml). The mixture was heated at 90° C. for 1 h 15 min and cooled to rt. The mixture was then treated with 1,2-dibromoethane (0.81 ml) in THF (1 ml) and the mixture was heated at 90° C. for 4 h 30 min. The mixture was cooled to rt, diluted with 100 ml EtOAc, 10 ml brine and 10 ml sat. NH₄Cl. The organic phase was separated, dried over MgSO₄and concentrated. The residue was dissolved in DMA (10 ml) and treated with NaN₃(720 mg). The mixture was heated at 60° C. for 16 h and diluted with EtOAc (100 ml) and brine (15 ml). The organic phase was separated, washed with 0.1 m HCl (15 ml) and brine (15 ml). The organic phase was dried over MgSO₄, concentrated and the residue purified by chromatography on silica (EtOAc/cyclohexane, 1:4) to afford the title compound (931 mg; 57%; MH⁺=365).

Step I

The title compound from Step H above (1050 mg) was dissolved in MeOH (40 ml). The mixture was treated with concentrated HCl (0.25 ml) and 10% Pd/C (250 mg). The mixture was hydrogenated for 1 h, filtered and the catalyst washed with MeOH (20 ml). The filtrates were concentrated to afford a mixture of the title compound and the cyclic amidine in a 9:1 ratio (950 mg; 97%; MH⁺=339).

Step J

The title compounds from Step I above (950 mg) were treated with 57% H₂SO₄(5 ml) and heated under N₂at 90° C. for 3 h. The mixture was cooled, diluted with H₂O (80 ml) and made alkaline (pH˜10) by adding 50% NaOH. The mixture was washed with EtOAc (20 ml) and the aqueous phase diluted with dioxane (40 ml). The mixture was treated with an excess of Boc₂O and stirred at rt for 16 h while the pH was kept at pH˜10.0. The mixture was acidified to pH˜4.0 by adding 1 M HCl and extracted with EtOAc (2×150 ml). The organic phase was dried over MgSO₄and concentrated. The residue was purified by chromatography on silica (CH₂Cl₂/MeOH, 9:1) to elute the cyclic amidine side product, followed by CH₂Cl₂/MeOH (4:1) to afford the title compound (282 mg, 23%; MNa⁺=465).

Step K

The title compound from Step J above (135 mg) was dissolved in THF (6 ml) and triethylamine (0.056 ml). The mixture was cooled to −40° C. and treated with ethyl chloroformate (0.031 ml). The mixture was stirred at −40° C. for 1 h, diluted with 4 ml THF and treated at 0° C. with 33% aqueous ammonia solution (10 ml). The mixture was stirred at 0° C. for 1 h and then 1 h at rt. The mixture was diluted with EtOAc (80 ml) and washed with brine (25 ml), sat. NH₄Cl (25 ml and brine (25 ml). The organic phase was dried over MgSO₄and concentrated. The residue was purified by chromatography on silica (CH₂Cl₂/MeOH, 9:1) to afford the title compound (97 mg, 72%, MNa⁺=464).

Step L

The title compound from Step K above (94 mg) was treated with 4 M solution of HCl in dioxane (2.5 ml) and the flask was agitated for 30 min. The mixture was concentrated and the residue dissolved in 5 ml H₂O. The mixture was filtered through a Millex VV (0.1 μM) filter unit and the filtrate concentrated to afford the title compound (65.8 mg, 82%, MH⁺=342).

Preparative Example 50

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Step A

The title compound from Preparative Example 13 Step A (3.3 g) was dissolved in THF (5 ml) and slowly added to a suspension of NaH (540 mg) in THF (10 ml). The mixture was heated at reflux for 30 min, cooled to rt and treated with 1,2-dibromoethane (4 ml). The reaction was stirred at 60° C. overnight, cooled to rt and filtered. The solvent was removed affording the title compound (4.8 g; 98%)

¹HNMR δ CDCl₃2.9-3.2 (m, 6H), 3.2-3.4 (m, 2H), 7.1-7.3 (m, 6H), 7.9-8.0 (m, 2H)

Step B

The title compound from Step A above (1.5 g) and potassium phthalimide (13.8 g) were suspended in DMF (20 ml) and stirred at 100° C. overnight. The precipitate was removed and the reaction was concentrated in vacuum. Chromatography of the residue on silica (EtOAc/cyclohexane) afforded the title compound (1.4 g; 78%).

¹HNMR δ CDCl₃2.8-2.9 (m, 2H), 3.0-3.2 (m, 2H), 3.4-3.6 (m, 2H), 3.6-3.8 (m, 2H), 7.1-7.3 (m, 6H), 7.6-7.7 (m, 2H), 7.7-7.8 (m, 2H), 7.9-8.0 (m, 2H)

Step C

The title compound from Step B above (1.40 g) was dissolved in toluene (30 ml) and treated with dibutyltin oxide (446 mg) and trimethylsilylazide (2.3 ml). The mixture was heated under a N₂atmosphere at 90° C. overnight. Additional dibutyltin oxide (200 mg) and trimethylsilylazide (2.3 ml) were added and the reaction was continued for 24 h at 90° C. The solvent was removed and the residue was treated with EtOAc (30 ml) and 1 N HCl (30 ml) at 50° C. for 1 h. The phases were separated and the organic phase was concentrated. The residue was purified by chromatography on silica (EtOAc/cyclohexane) to afford the title compound (600 mg, 39%, MH⁺=436).

Step D

The title compound from Step C above (200 mg) was dissolved in ethanol (5 ml) and treated with hydrazine hydrate (100 mg) at rt. The solution was heated at 80° C. for 2 h and then stirred for 1 h at rt. The reaction was filtered and the filtrate was concentrated. The residue was treated with CHCl₃and filtered again. The filtrate was concentrated to afford the title compound (60 mg, 43%, MH⁺=306).

Preparative Example 51

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Step A

Commercially available 2-bromo-4-fluorotoluene (5 g) was diluted with diethyl ether (10 ml). About ⅓ of the resulting solution was added to magnesium turnings (761 mg) which were overlayed with Et₂O (25 ml). The remaining 2-bromo-4-fluorotoluene solution was added dropwise after the reaction started. The reaction was kept at reflux for 2 h. The Grignard reagent was poured onto a mixture of crushed dry ice in Et₂O (750 ml). The resulting mixture was allowed to warm to rt. The solvent was removed, the resulting residue was treated with EtOAc (100 ml) and extracted with aqueous 1 N HCl (100 ml). The organic phase was dried over MgSO₄, filtered and concentrated to afford the title compound (2.3 g; 56%).

¹H-NMR δ CDCl₃2.5 (s, 3H), 7.0-7.2 (m, 2H), 7.7 (m, 1H)

Step B

The title compound from Step A above (2.3 g) was dissolved in THF (50 ml). Methyl iodide (0.95 ml) and N,N-diisopropylethylamine (3.2 ml) were added. The reaction was stirred at rt for 2 h. The reaction mixture was filtered and concentrated to afford the title compound (2.3 g; 90%).

¹H-NMR δ CDCl₃2.6 (s, 3H), 3.9 (s, 3H), 7.0-7.2 (m, 2H), 7.6-7.7 (m, 1H)

Step C

The title compound from Step B above (8.9 g) and commercially available N-bromosuccinimide (14 g) were suspended in CCl₄(500 ml). The mixture was heated to 80° C. and AIBN (270 mg) added. The mixture was irradiated with a 100 W light bulb and heated at 100-105° C. for 3.5 h. The cooled mixture was filtered. The filtrate was concentrated and the residue dissolved in CH₃CN (150 ml). The mixture was treated with triphenylphosphine (14 g), heated under reflux for 3 h and then concentrated. The residue was suspended in CH₃CN (160 ml) and treated with commercially available 3-fluorobenzaldehyde (6.5 g) and DBN (13 ml). The mixture was heated under reflux for 3 h. The reaction was concentrated to half its volume and poured into H₂O (150 ml). The mixture was extracted with EtOAc (3×150 ml), the organic phase separated and concentrated. The residue was suspended in 1:1 H₂O/MeOH-mixture (100 ml) and treated with KOH (30 g). The mixture was stirred at 60° C. overnight, cooled to rt and washed with CHCl₃(3×100 ml). The aqueous phase was acidified (pH˜1) by adding conc. HCl and extracted with EtOAc. The organic phase was separated and concentrated. The crude residue was suspended in sulfolane (20 ml) and treated with polyphosphoric acid (25 g). The mixture was heated under N₂at 200° C. for 2 h, poured onto ice-water (150 ml) and stirred at rt overnight. The mixture was extracted with EtOAc and concentrated. The residue was dissolved in Et₂O and extracted with H₂O. The organic phase was separated, dried over MgSO₄and concentrated. The residue was purified by chromatography on silica (EtOAc/Cyclohexane) to afford the title compound (4.0 g; 31%; MH⁺=245).

Step D

The title compound from Step C above (5.4 g) was dissolved in CHCl₃(5 ml) and MeOH (30 ml) and treated with NaBH₄(1.4 g). The mixture was stirred at rt for 1 h and concentrated. The residue was suspended in CHCl₃(50 ml) and extracted with aqueous HCl (50 ml; pH=1). The organic phase was separated, concentrated, then resuspended in toluene and concentrated again. The residue was dissolved in toluene (50 ml). SOCl₂(3.94 ml) was added at 0° C. The reaction was stirred overnight at RT. The solvent was removed and the remaining material was suspended in toluene and concentrated. The residue was dissolved in CH₃CN (50 ml) and treated with AgCN (2.96 g). The mixture was heated at reflux for 2 h and then stirred at 60° C. overnight. The mixture was filtered and the filtrate concentrated. The residue was purified by chromatography on silica (EtOAc/Cyclohexane) to afford the title compound (4.4 g; 78%).

¹H-NMR δ CDCl₃3.1-3.2 (m, 4H), 5.3 (s, 1H), 6.7-6.9 (m, 3H), 7.0-7.2 (m, 2H), 7.4 (m, 1H)

Step E

The title compound from Step D above (1.5 g) was dissolved in THF (5 ml) and slowly added at rt to a suspension of NaH (212 mg) in THF (10 ml). The mixture was heated at 60° C. for 30 min, then cooled to 0° C. and treated with 1,2-dibromoethane (2.3 ml). The reaction was stirred at 60° C. for 3 h, cooled to rt and filtered. The filtrate was concentrated to afford the title compound (2.1 g; 99%).

¹H-NMR δ CDCl₃2.8-3.0 (m, 4H), 3.0-3.2 (m, 2H), 3.2-3.4 (m, 2H), 6.8-7.2 (m, 4H), 7.6 (m, 1H), 7.8-7.9 (m, 1H)

Step F

The title compound from Step E above (2.1 g) and potassium phthalimide (5.4 g) were suspended in DMF (30 ml) and stirred at 60° C. overnight. The solvent was removed and the residue dissolved in CHCl₃, filtrated and concentrated. The residue was purified by chromatography on silica (EtOAc/cyclohexane) to afford the title compound (1.91 g; 76%)

¹HNMR δ CDCl₃2.8-3.2 (m, 4H), 3.4-3.6 (m, 2H), 3.7-3.9 (m, 2H), 6.8-7.0 (m, 3H), 7.1-7.2 (m, 1H), 7.7-8.0 (m, 6H)

Step G

The title compound from Step F (1.90 g) was dissolved in toluene (20 ml) and treated with dibutyltin oxide (553 mg) and trimethylsilylazide (3.7 ml). The mixture was heated under a N₂atmosphere at 90° C. for 4 d. The reaction was quenched with aqueous 1 N HCl (20 ml) and stirred for 1 h at 50° C. The phases were separated, the aqueous phase was extracted with toluene and the combined organic phase concentrated. The residue was purified by chromatography on silica (EtOAc/cyclohexane) to afford the title compound (600 mg, 33%, MH⁺=472).

Step H

The title compound from Step G above (300 mg) was dissolved in ethanol (5 ml) and treated with hydrazine hydrate (127 mg). The solution was stirred at 80° C. for 2 h and subsequently stirred for 1 h at rt. The solvent was removed and the residue treated with 1 N HCl (20 ml) and CHCl₃(10 ml). The aqueous phase was separated, filtered and concentrated affording the title compound (240 mg, 100% MH⁺=342).

Preparative Example 52

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Step A

Commercially available 2,4-dichlorotoluene (24.6 g) and dry copper(I) cyanide (50 g) in N-methylpyrrolidone (130 ml) were heated under reflux (200-216° C.) for 4 d. While hot (110° C.), the mixture was poured into a flask containing 33% aq. NH₄OH solution (390 ml) and toluene (100 ml) and stirred to break up the lumps. After the mixture was cooled to rt, Et₂O (100 ml) was added and filtered through cloth. The precipitate was washed (2×100 ml Et₂O/CHCl₃1:1). The dark filtrate was poured into a separatory funnel and the phases were separated with the aid of additional Et₂O (100 ml). The aqueous phase was extracted with Et₂O/CHCl₃1:1 (2×100 ml). The combined organic phases were washed with 10% NH₄OH solution (4×110 ml, until the basic phase was no longer blue), with H₂O (100 ml), and brine (100 ml). The organic phase was separated, dried over MgSO₄and concentrated. The residue was mixed with NaOH (24.8 g) and diethylene glycol (275 ml) was added together with a few drops of H₂O. The mixture was heated at 215-220° C. overnight. The cooled mixture was diluted with H₂O (220 ml) and acidified to pH 1 with 10% aq. HCl. The suspension was filtered and the precipitate washed with 0.1 N HCl (50 ml). The solid was crystallised from glacial acetic acid to afford the title compound (18.4 g, 78%; MH⁺=181).

Step B

Following a similar procedure as that described in Preparative Example 49 Step B, the title compound from Step A above (22.1 g) was reacted to afford the title compound (30.0 g, 100%).

¹H-NMR (CDCl₃) δ: 2.65 (s, 3H), 3.91 (s, 3H), 3.92 (s, 3H), 7.32 (d, 1H), 8.04 (dd, 1H), 8.56 (d, 1H).

Step C

Following a similar procedure as that described in Preparative Example 49 Step C, the title compound from Step B above (30.0 g) was reacted. Differing from the cited example, the final mixture was allowed to stand over the weekend to form the precipitate. After filtration, the crude title compound was obtained (38.0 g, 100%; [M-Br]⁺=469).

Step D

Following a similar procedure as that described in Preparative Example 49 Step D, the title compound from Step C above (38.0 g) was reacted. Differing from the cited example, the hydrogenation was run for 2 days. (29.2 g, 77%; MH⁺=289).

Step E

Following a similar procedure as that described in Preparative Example 49 Step E, the title compound from Step D above (4.32 g) was reacted and the title compound obtained (1.77 g, 41%; MH⁺=285).

Step F

Following a similar procedure as that described in Preparative Example 49 Step F, the title compound from Step E above (2.39 g) was reacted and the title compound obtained (2.45 g, 100%; MNa⁺=309).

Step G

Following a similar procedure as that described in Preparative Example 49 Step G, the title compound from Step F above (3.07 g) was reacted and the title compound was obtained (2.17 g, 69%; MH⁺=296).

Step H

The title compound from Step G above (2.17 g) was dissolved in THF (30 ml) and added to a suspension of NaH (250 mg) in THF (9 ml). The mixture was heated at 90° C. for 1 h 15 min and cooled to rt. The mixture was then treated with 1,2-dibromoethane (1.6 ml) in THF (3.7 ml) and the mixture was heated at 90° C. for 4 h 30 min. The mixture was cooled to rt, diluted with 200 ml EtOAc, 20 ml brine and 20 ml sat. NH₄Cl. The organic phase was separated, dried over MgSO₄and the residue purified by chromatography on silica (CH₂Cl₂) to afford the bromoethyl intermediate (1.42 g, 50%; [MNH₄]⁺=419) and starting material (636 mg, 24%). The bromoethyl compound (1.42 g) was dissolved in anhydrous DMF (18 ml) and treated with potassium phthalimide (1.96 g). The suspension was stirred at 80° C. overnight. The solvent was removed and the residue partitioned between EtOAc (50 ml), H₂O (50 ml) and brine (50 ml). The aqueous phase was extracted with EtOAc (2×50 ml) and the combined organic phase dried over MgSO₄and concentrated. The residue was purified by chromatography on silica (CH₂Cl₂/MeOH) to afford the title compound (1525 mg; 92%; MH⁺=469).

Step I

The title compound from Step H above (1475 mg) was dissolved in anhydrous toluene (25 ml) and treated with dibutyltin oxide (784 mg) and trimethylsilylazide (8.3 ml). The mixture was heated under a N₂atmosphere at 90° C. for 3 days. The solvent was removed, the residue dissolved in MeOH (10 ml) and concentrated. The residue was partitioned between EtOAc (100 ml) and 10%. NaHCO₃(100 ml). The aqueous phase was extracted with EtOAc (2×70 ml) and the combined organic phase dried over MgSO₄and concentrated. The residue was purified by chromatography on silica (CH₂Cl₂/MeOH) to afford the title compound (1216 mg, 75%, MH⁺=512).

Step J

The title compound from Step I above (1216 mg) was dissolved in anhydrous MeOH (14 ml) and Et₃N (0.66 ml). The mixture was cooled to 5° C. and N,N′-dimethylamino-propylamine (0.71 ml) added. The mixture was stirred at rt for 25 h and subsequently evaporated, toluene (10 ml) added, evaporated again and dried in HV. The residue was dissolved in dioxane (8 ml) and H₂O (8 ml). To the slightly turbid solution was added Boc₂O (2.6 g) and Et₃N (1.2 ml) and the mixture was stirred at rt overnight. After evaporation of the solvent, H₂O (20 ml) was added and the solution acidified to pH˜4.0 by adding 1 M HCl and the aqueous solution extracted with EtOAc (3×50 ml). The combined organic phase was washed with brine (15 ml), separated, dried over MgSO₄and concentrated. The residue was purified by chromatography on silica (CH₂Cl₂/MeOH) to afford the title compound (567 mg, 50%, MNa⁺=504).

Preparative Example 53

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Step A

The title compound from Preparative Example 52 (215 mg) was dissolved in THF (4 ml) and 33% NH₄OH solution (40 ml) was added. The solution was stirred in a closed vessel at 80° C. overnight. The reaction mixture was allowed to cool to rt and subsequently evaporated to dryness. The crude product, which consisted of a mixture of the amide (MNa⁺=489) and the free acid (MNa⁺=490), was dissolved in anhydrous THF (8.5 ml) and triethylamine (0.28 ml) added. The ensuing precipitate was dissolved by adding anhydrous CH₃CN (6 ml). The mixture was cooled to −40° C. and ethylchloroformate (0.17 ml) was slowly added. The mixture was stirred at −25° C. for 1 h and allowed to warm to 0° C. At 0° C. 7 M NH₃/MeOH-solution (10 ml) was added and the mixture was stirred at 0° C. for 30 min and for 1 h at rt. The mixture was concentrated and the residue dissolved in H₂O (14 ml) and THF (3 ml). The pH was adjusted to pH˜4.0 by adding 0.1 N HCl and the aqueous phase—after addition of brine (10 ml)—extracted with EtOAc containing 10% THF (4×33 ml) and CH₂Cl₂containing 10% THF (1×25 ml)). The combined organic phase was washed with brine (15 ml), dried over MgSO₄and concentrated to afford the title compound (241 mg; 100%, MNa⁺=489).

Step B

The title compound from Step A above (240 mg) was suspended/dissolved in CH₂Cl₂/MeOH 4:1 (5 ml) and a 4 M solution of HCl in dioxane (7 ml) added after which a clear solution was obtained. The mixture was stirred at rt for 3 h and concentrated. The residue was partitioned between EtOAc containing 10% THF (25 ml) and 0.01 N HCl (25 ml). The organic phase was extracted with H₂O (25 ml) and 0.01 N HCl (25 ml). The combined aqueous phase was concentrated to afford the title compound (162 mg, 90%, MH⁺=367).

Preparative Example 54

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Step A

The title compound from Preparative Example 49 Step C (47.6 g) was suspended in CH₃CN (350 ml) and commercially available 3-bromobenzaldehyde (13.9 ml) added. After the addition of DBN (24 ml), the mixture was heated at 100° C. for 1 h. The mixture was cooled and the precipitate collected by filtration to afford the trans-olefin (7.5 g). The mother liquor was concentrated to half its volume and poured into H₂O (300 ml). The mixture was extracted with EtOAc (2×300 ml), the organic phase washed with 5% HCl (2×80 ml), dried over MgSO₄and concentrated. To this residue was added the trans olefin from above and the mixture was suspended in H₂O (500 ml), MeOH (60 ml) and dioxane (60 ml). After the addition of KOH (47 g), the mixture was heated at 60° C. for 16 h, cooled to rt and washed with CH₂Cl₂(3×100 ml). The aqueous phase was made acidic (pH˜1) by adding conc. HCl, filtered, the precipitate washed with H₂O (150 ml) and air-dried to afford the title compound as a mixture of cis/trans-olefins (26.5 g; 88%; MH⁺=347).

Step B

The title compound from Step A above (6 g) was dissolved in MeOH (450 ml) and EtOAc (150 ml). After the addition of a suspension of 5% Pt/C (2.5 g) in 10% HCl (5 ml) and MeOH (10 ml), the mixture was hydrogenated for 6 h. The mixture was filtered, the catalyst washed with MeOH (60 ml) and the filtrates evaporated to afford the title compound (5.5 g, 91%).

¹HNMR δ (DMSO-d₆) δ 2.81-2.90 (m, 2H), 3.13-3.27 (m, 2H), 7.23-7.32 (m, 2 H), 7.39-7.45 (m, 1H), 7.51 (s, 1H), 7.85-7.95 (m, 3H)

Step C

The title compound from Step B above (4 g) was suspended in sulfolane (9 ml) and treated with polyphosphoric acid (30 g). The mixture was heated under N₂at 175-180° C. for 2 h 30 min and poured into ice-water (250 ml). The mixture was stirred at rt overnight and the precipitate collected by filtration to afford the crude title compound (3.56 g; 94%; MH⁺=331).

Step D

The title compound from Step C above (3.5 g) was dissolved in N-methyl pyrrolidone (25 ml) and CuCN (900 mg) added. The mixture was heated at 200° C. for 8 h, cooled to rt and diluted with H₂O (200 ml) and 1 M HCl (50 ml). The mixture was extracted with EtOAc (3×100 ml) and the combined organic phase washed with H₂O (100 ml) and brine (100 ml). The organic phase was dried over MgSO₄and evaporated. The residue was dissolved in dioxane (50 ml) and conc. HCl (50 ml) added. The mixture was heated at 90° C. for 18 h and the solvents evaporated. The residue was suspended in MeOH (75 ml), treated with SOCl₂(1.5 ml) and heated under reflux for 1 h 30 min. The mixture was concentrated to half its volume, diluted with Et₂O (300 ml) and washed with sat. NaHCO₃(80 ml) and brine (80 ml). The organic phase was separated, dried over MgSO₄and evaporated. The residue was purified by chromatography on silica (EtOAc/hexane, 1:4) to afford the title compound (1040 mg; 27%; MH⁺=325).

Step E

The title compound from Step D above (1040 mg) was dissolved in CHCl₃(15 ml) and MeOH (15 ml) and the NaBH₄(150 mg) added. The mixture was stirred at rt for 1 h, diluted with ice water (80 ml) and extracted with EtOAc (2×100 ml). The organic phase was dried over MgSO₄and concentrated. The residue was purified by chromatography on silica (CH₂Cl₂/acetone, 98:2->CH₂Cl₂/acetone, 95:5) to afford the title compound (817 mg, 78%, MNa⁺=349).

Step F

The title compound from Step E above (817 mg) was dissolved in THF (10 ml) and treated with SOCl₂(0.46 ml). The mixture was stirred at rt overnight and the solvents evaporated. The residue was dissolved in CH₃CN (10 ml) and benzene (5 ml) and added to a suspension of AgCN (406 mg) in CH₃CN (10 ml). The mixture was heated at 90° C. for 5 h, filtered and the salts washed with CH₃CN (10 ml). The filtrates were evaporated and the residue purified by chromatography on silica (CH₂Cl₂/acetone, 98:2) to afford the title compound (572 mg, 68%, MH⁺=336).

Step G

The title compound from Step F above (676 mg) was suspended in THF (20 ml) and DMF (5 ml) and treated under a N₂atmosphere with NaH (106 mg). The mixture was heated at ˜95° C. for 75 Min, cooled to rt and treated with a solution of 1,2-dibromoethane (0.7 ml) in THF (3 ml). The mixture was then heated at 95° C. for 10 h, cooled to rt and treated with sat. NH₄Cl (15 ml) and EtOAc (100 ml). The organic phase was separated, washed with brine (15 ml), dried over MgSO₄and concentrated. The residue was dissolved in DMA (8 ml) and treated with potassium phthalimide (554 mg). The mixture was heated at 60° C. overnight, the solvent removed and the residue dissolved in EtOAc (50 ml) and H₂O (15 ml). The organic phase was separated, washed with brine (15 ml) and concentrated. The residue was purified by chromatography on silica (CH₂Cl₂/acetone, 98:2) to afford the title compound (740 mg, 72%, MNH₄⁺=526).

Step H

The title compound from Step G above (600 mg) was suspended in toluene (5 ml) and treated with dibutyltin oxide (138 mg) and trimethylsilylazide (1.45 ml). The mixture was heated under a N₂atmosphere at 90-95° C. for 3 d and the solvent evaporated. The residue was suspended in MeOH (10 ml) and the solvent evaporated. The residue was dissolved in EtOAc (30 ml) water (10 ml). The organic phase was separated, dried over MgSO₄and concentrated. The residue was purified by chromatography on silica (CH₂Cl₂/MeOH, 95:5) to afford the title compound (415 mg, 68%, MH⁺=552).

Step I

The title compound from Step H above (415 mg) was dissolved in MeOH (6 ml) and triethylamine (0.23 ml). The mixture was cooled to 0° C. and 3-dimethylaminopropylamine (0.23 ml) added. The mixture was stirred at 0° C. for 10 min and at rt overnight. The mixture was concentrated, dissolved in MeOH (10 ml), again concentrated and dried in HV. The residue was dissolved in dioxane (5 ml) and H₂O (5 ml) and the pH adjusted to pH=8-9 by adding 1 M KOH. The mixture was then treated with Boc2O (870 mg) and stirred overnight. The mixture was adjusted to pH=4 by adding 1 M HCl and diluted with EtOAc (150 ml). The organic phase was separated and the aqueous phase extracted with EtOAc (2×75 ml). The combined organic phase was dried over MgSO₄and concentrated. The residue was purified by chromatography on silica gel (CH₂Cl₂/MeOH, 95:5->4:1) to afford the title compound (227 mg, 58%, MH+=522).

Step J

The title compound from Step I above (227 mg) was dissolved in dioxane (10 ml) and 1 M KOH (3.75 ml) added. The mixture was stirred at rt overnight and the pH adjusted to pH=4 by adding 1 M HCl. The mixture was extracted with EtOAc, containing 10% THF (2×150 ml). The organic phase was separated, dried over MgSO₄and concentrated to afford the title compound (177 mg, 82%; MH⁺=494).

Preparative Example 55

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If one were to follow a similar procedure as described in Preparative Example 54, but using 3-fluorobenzaldehyde in Step A and omitting Step D, one would obtain the desired compound.

Preparative Example 56

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Step A

The title compound from Preparative Example 54 (177 mg) was dissolved in THF (6 ml) and triethylamine (0.2 ml) added. The precipitate was dissolved/suspended by adding CH₃CN (3 ml). The mixture was cooled to −40° C. and ethylchloroformate (0.1 ml) was slowly added. The mixture was stirred at −25° C. for 1 h and allowed to warm to 0° C. At 0° C. 7 M NH₃/MeOH-solution (7 ml) was added and the mixture was stirred at 0° C. for 30 min and 1 h at rt. The mixture was concentrated and the residue dissolved in H₂O (10 ml) and THF (2 ml). The pH was adjusted to pH˜4.0 by adding 100 mM HCl and the aqueous phase extracted with EtOAc (4×30 ml) containing 10% THF. The organic phase was dried over MgSO₄and concentrated to afford the title compound (110 mg; 62%, MNa⁺=514).

Step B

The title compound from Step A above (103 mg) was dissolved in THF (2 ml) and a 4 M solution of HCl in dioxane (5 ml) added. The mixture was stirred at rt for 2 h and concentrated. The residue was dissolved in H₂O (20 ml) and washed with EtOAc (2×8 ml). The aqueous phase was concentrated, the residue dissolved in 50 mM HCl (6 ml) and filtered through a Millex VV (0.1 μM) filter unit. The filtrate was concentrated to afford the title compound (90 mg, 94%, MH⁺=392).

Preparative Example 57

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If one were to follow a similar procedure as described in Preparative Example 56, but using the title compound from Preparative Example 55, one would obtain the desired compound.

Preparative Example 58

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Step A

A suspension of NaH (66 mg) in THF (10 ml) was added to a solution of the title compound from Preparative Example 13 Step A (0.57 g) in THF (20 ml) and heated at 65° C. for 1 h. Then the mixture was cooled to 0° C. and a solution of Preparative Example 21 (0.74 g) in THF (10 ml) was added. The suspension was heated at 65° C. for 5 h and then diluted with ethyl acetate. The organic phase was washed with water, brine and dried over MgSO₄. Removal of the solvents and column chromatography (EtOAc/hexane, 1:4) afford the title compound (630 mg, 58%, MH⁺=421).

Step B

The title compound from Step A above (632 mg) was dissolved in DMF (10 ml) and treated with NaN₃(1.2 g) and NH₄Cl (963 mg). The mixture was heated under a N₂atmosphere at 110° C. for 3 d and the solvent evaporated. Column chromatography (CH₂Cl₂/MeOH, 9:1) afford the title compound (350 mg, 51%, MH⁺=464).

Step C

The title compound from Step B above (350 mg) was dissolved in THF (10 ml) and treated with TBAF.3H₂O. The mixture was stirred at rt for 4 h and the solvent evaporated. Preparative TLC using CH₂Cl₂/MeOH (4:1) afford the title compound (121 mg, 50%, MH⁺=320).

Preparative Example 59

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Step A

Commercially available 2-Brom-5-chlor-toluene (123 g) was diluted with Et₂O (70 ml) and 10% of this solution was added to a mixture of Mg (15.2 g) and iodine (3 crystals) in Et₂O (250 ml). After the Grignard reaction had started, the remaining starting material was added at such a rate to maintain gentle reflux. After the complete addition of the starting material, the mixture was heated at 60° C. oil-bath temperature for 45 Min. The mixture was then cooled to rt and poured onto a mixture of dry-ice in Et₂O (1800 ml). The mixture was allowed to warm to rt over a period of 2 h and the solvent removed. The residue was dissolved with EtOAc (1200 ml) and washed with 3 N HCl (3×1000 ml). The organic phase was separated, dried over MgSO₄, filtered and concentrated to afford the title compound (94.3 g, 92%)

¹HNMR δ (DMSO-d₆) 2.51 (s, 3H), 7.33 (dd, 1H), 7.39 (d, 1H), 7.81 (d, 1H), 12.9 (br-s, 1H)

Step B

The title compound from Step A above (47 g) was dissolved in THF (500 ml) and the mixture cooled to −60° C. At −60° C. a 1.3 M solution of sec-BuLi (455 ml) in hexane was slowly added as to keep the internal temperature below −30° C. The precipitate began to dissolve after the addition of more than half of the sec-BuLi solution. After the complete addition of sec-BuLi, the deep red solution was stirred at −50° C. for 1 h. The anion solution was then transferred via cannula to a cooled (−40° C.) solution of commercially available 3-chlor-benzylbromide (62.3 g) in THF (150 ml). The addition of the anion was at such a rate as to maintain −40° C. during the addition. After the addition of the anion was completed, the mixture was stirred at −40° C. for 1 h and was then allowed to warm to rt over a period of 3 h. The reaction was quenched by adding 2 M NaOH (1000 ml) and the THF removed in vacuo. The remaining solution was extracted with cyclohexane (2×500 ml) and the aqueous phase acidified to PH=1 by adding conc. HCl. The mixture was extracted with EtOAc (3×400 ml), the organic phase dried over MgSO₄, filtered and concentrated to afford the title compound (71 g, 87%).

¹HNMR δ (acetone-d₆) 2.83-2.91 (m, 2H), 3.22-3.31 (m, 2H), 7.13-7.40 (m, 6 H), 7.98 (d, 1H).

Step C

The title compound from Step B above (71 g) was suspended in sulfolane (250 ml) and PPA (700 g) added. The mixture was stirred with a mechanical stirrer and heated at 170° C. oil-bath temperature for 9 h. The hot mixture (˜120° C.) was then poured onto crushed-ice (4000 g) and stirred overnight. The precipitate was allowed to settle for 30 Min and the aqueous phase decanted. The residue was dissolved in Et₂O (1500 ml) and washed with 1 M NaOH (2×500 ml). The organic phase was dried over MgSO₄, filtered and concentrated to afford the title compound (50 g, 75%).

¹HNMR δ (CDCl₃) 3.16 (s, 4 H), 7.23 (d, 2 H), 7.32 (dd, 2 H), 8.0 (d, 2H)

Step D

The title compound from Step C above (25 g) was dissolved in toluene (160 ml) and added to a mixture of KCN (11.7 g), dipiperidinomethane (7.26 ml), sulfolane (2 ml) and 1,4-Bis-(diphenylphosphino)-butane (6 g). The mixture was degassed by sonication under a stream of nitrogen and then palladium(II)-acetate (1.6 g) was added. The mixture was then heated in a sealed glass reaction vessel at 160° C. oil-bath temperature for 18 h. The mixture was cooled to rt, diluted with CH₂Cl₂(800 ml) and washed with H₂O (300 ml) and brine (300 ml). The organic phase was separated, dried over MgSO₄, filtered and concentrated. The residue was diluted with EtOAc (90 ml) and sonicated. The suspension was then treated with cyclohexane (400 ml) and allowed to stand for 30 Min. The precipitate was collected by filtration and air-dried to afford the title compound (18 g, 77%, MH⁺=259).

Step E

The title compound from Step D above (18 g) was suspended in EtOH (75 ml) and H₂O (20 ml) and the KOH (19.3 g) added. The mixture was heated at 100° C. oil-bath temperature for 12 h, concentrated and the residue dissolved in H₂O (500 ml). The aqueous phase was acidified to pH=1 by adding conc. HCl and the precipitate collected by filtration and air-dried to afford the title compound (19.5 g, 95%, MH⁺=297).

Step F

The title compound from Step E above (19.5 g) was suspended in MeOH (600 ml) and treated with thionyl chloride (29 ml). The mixture was then heated at 90° C. oil-bath temperature for 3 h, the hot mixture filtered and concentrated. The residue was dissolved in CH₂Cl₂(800 l) and washed with sat. NaHCO₃(200 ml). The organic phase was separated, dried over MgSO₄, filtered and concentrated to afford the title compound (18.8 g, 88%, MH⁺=325).

Step G

The title compound from Step F above (18.8 g) was dissolved in CHCl₃(250 ml) and MeOH (250 ml). The mixture was then treated with NaBH₄(2.47 g) in small portions. After the complete addition of the reducing agent, the mixture was stirred at rt for 1 h. The mixture was poured into ice-water (800 ml), the organic phase separated and the aqueous phase extracted with EtOAc (300 ml). The combined organic phase was dried over MgSO₄, filtered and concentrated. The residue was purified by chromatography on silica (CH₂Cl₂to CH₂Cl₂/acetone, 98:2 to CH₂Cl₂/acetone, 95:5) to afford the title compound (11.9 g, 63%, MNa⁺=349).

Step H

The title compound from Step G above (11.9 g) was dissolved in THF (150 ml) and the mixture cooled to 0° C. At 0° C. thionyl chloride (6.5 ml) was added and the mixture was allowed to warm to rt overnight. The solvent was then removed in vacuo to afford the crude title compound.

¹HNMR δ (CDCl₃) 2.93-3.05 (m, 2H), 3.70-3.80 (m, 2H), 3.90 (s, 6H), 6.10 (s, 1H), 7.40 (d, 2H), 7.78-7.86 (m, 4H).

Step I

The title compound from Step H above was dissolved in CH₃CN (300 ml) and benzene (95 ml). After the addition of AgCN (5.9 g) the mixture was heated at 95° C. oil-bath temperature for 2 h 45 Min. The mixture was filtered while hot and the salts washed with CH₂Cl₂(100 ml). The filtrate was concentrated and the residue purified by chromatography on silica (CH₂Cl₂/acetone, 98:2) to afford the title compound (11.3 g, 92%, MH⁺=336).

Preparative Example 60

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Step A

The title compound from Preparative Example 59 Step C (9.5 g) was dissolved in CHCl₃(100 ml) and MeOH (60 ml) at 0° C. The mixture was then treated with NaBH₄(1.64 g) in small portions. After the complete addition of the reducing agent, the mixture was stirred at rt for 3 h. Water (50 ml) was added and the mixture was concentrated to half of its volume and extracted with EtOAc (2×150 ml). The combined organic layers were washed with water (50 ml), brine (50 ml), dried over MgSO₄and concentrated. The crude product was used without further purification (9 g, 90%, MNa⁺=301).

Step B

The crude title compound from Step A above (9 g) was dissolved in THF (100 ml) and the mixture was cooled to 0° C. At 0° C. thionyl chloride (7.1 ml) was added and the mixture was allowed to warm to rt overnight. The solvent was then removed in vacuo to afford the title compound (9.2 g).

Step C

The title compound from Step B above (9.2 g) was dissolved in CH₃CN (180 ml) and benzene (60 ml). After the addition of solid AgCN (5.2 g) the mixture was heated at 90° C. oil-bath temperature for 2.5 h. The mixture was filtered while hot through celite and the salts washed with CH₂Cl₂(200 ml). The filtrate was concentrated to give the crude title compound (8.66 g, 93%, MH⁺=288).

Preparative Example 61

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Step A

The title compound from Preparative Example 59 (3.8 g) was suspended in THF (50 ml) and DMF (35 ml). The mixture was treated under a N₂atmosphere with NaH (408 mg) and the mixture was heated at 95° C. oil-bath temperature for 90 Min, cooled to rt and treated with the title compound from Preparative Example 21 (4.78 g). The mixture was then heated at 90-95° C. for 4 h, cooled to rt and quenched with sat. NH₄Cl (75 ml) and brine (90 ml). The organic phase was separated and the aqueous layer extracted with EtOAc (2×50 ml). The combined organic phase was dried over MgSO₄and concentrated. The residue was purified by chromatography on silica (CH₂Cl₂/MeOH, 95:5) to afford the title compound (5 g, 82%, MH⁺=537).

Step B

The title compound from Step A above (5 g) was dissolved in DMA (90 ml) and treated with NaN₃(5.9 g) and NH₄Cl (4.8 g). The mixture was heated under a N₂atmosphere at 100-105° C. for 50 h. The cooled mixture concentrated and the residue dissolved in EtOAc (600 ml) and H₂O (200 ml). The aqueous layer was acidified to pH=4 by adding 1 M HCl and the organic phase separated. The aqueous phase was extracted with EtOAc (2×80 ml) and the combined organic extracts washed with 100 mM HCl (200 ml) and brine (200 ml). The organic phase was separated, dried over MgSO₄, filtered and concentrated. The residue was purified by chromatography on silica (CH₂Cl₂/MeOH 9:1->4:1) to afford the title compound (4 g, 74%, MH⁺=580).

Step C

The title compound from Step B above (4 g) was dissolved in dioxane (153 ml). After the addition of 1 M KOH (42.5 ml), the mixture was stirred at rt overnight. The mixture was concentrated and then 43 ml 1 M HCl added. The precipitate was dissolved in EtOAc (100 ml) and H₂O (100 ml) and the organic phase separated. The aqueous phase was extracted with EtOAc (100 ml) and the organic phase combined. The solvent was then removed to afford the title compound (3.9 g, quanta, MH⁺=552).

Preparative Example 62-64

Following a similar procedure as that described in Preparative Example 61 but using the sulfamidates and compounds from the Preparative Examples as indicated in the Table below, the title compounds were obtained.

Preparative
Preparative

Example
Example
Sulfamidate
Title compound
MH⁺

62
59

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538

63
59

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566

64
60

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475

Preparative Example 65

If one were to treat the title compound from Preparative Example 59 according to the procedures described in Preparative Example 61, but using the sulfamidate as indicated in the table below, one would obtain the title compound.

Preparative
Preparative

Example
Example
Sulfamidate
Title compound

65
59

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Preparative Example 66

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Step A

The title compound from Preparative Example 61 Step A (1000 mg) was suspended in MeOH (10 ml) and hydroxylamine hydrochloride (517 mg) and a 5.5 M solution of sodium methoxide in MeOH (1.4 ml) added. The mixture was heated in a pressure bottle at 110° C. for 12 h and then the solvent removed. The residue was purified by chromatography on silica (cyclohexane/EtOAc 1:3->1:1) to afford the title compound (210 mg, 20%, MH⁺=570).

Step B

The title compound from Step A above (180 mg) was dissolved in MeOH (10 ml) and sodium methoxide (233 mg) and diethyl carbonate (1130 mg) added. The mixture was heated at 110° C. in a pressure bottle overnight. The solvent was removed and the residue purified by chromatography on silica (CHCl₃) to afford the title compound (110 mg, 58%, M⁺−27=568).

Step C

The title compound from Step B above (110 mg) was dissolved in THF (25 ml) and treated with 1M KOH (6 ml). After stirring at rt overnight, 1M HCl (2.8 ml) was added and the solvents removed to afford the crude title compound (105 mg, quant., M⁺−27=540).

Preparative Example 67

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Step A

Hydroxylamine hydrochloride (401 mg) was suspended in anhydrous MeOH (14 ml) and a 5.5 M solution of sodium methoxide in MeOH (0.946 ml) added. This mixture was stirred at rt for 45 min and the title compound from Preparative Example 61 Step A (1400 mg) was added. The resulting mixture was heated in a closed vessel at 100° C. overnight and subsequently allowed to cool down to rt. Due to incomplete conversion, hydroxylamine hydrochloride (401 mg) and a 5.5 M solution of sodium methoxide in MeOH (0.946 ml) were added and the mixture was heated again at 100° C. for 20 h. After cooling down to rt, the salts were filtered off and washed with EtOAc (15 ml) and CHCl₃(15 ml). The united organic phases were evaporated and the residue purified by chromatography on silica (cyclohexane/EtOAc 8:2->6:4) to afford the title compound from Preparative Example 66 Step A (300 mg, 20%, MH⁺=570) and the title compound (1130 g, 74%, MNa⁺=577).

Step B

The title compound from Step A above (1380 g) was dissolved in THF (30 ml) and treated with 1M KOH (9 ml). After stirring at rt overnight, 1M KOH (9 ml) was added and stirring continued for 22 h. The reaction mixture was acidified with 4 M HCl to pH 2-3, extracted with EtOAc/THF 10/1 (4×40 ml) and the combined organic extracts washed with brine (20 ml). The organic phase was separated, dried over MgSO₄, filtered and concentrated to afford the title compound (1220 mg, quant., M⁺−27=499, MNa⁺=549).

Preparative Example 68

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Step A

The N-hydroxyamidine product from Preparative Example 66 Step A (300 mg) was dissolved in anhydrous dichloromethane (5 ml), the solution cooled down to 0° C. and triethylamine (147 μl) and trifluoroacetic anhydride (103 μl) added. The reaction mixture was stirred at rt overnight. Due to incomplete conversion, triethylamine (221 μl) and trifluoroacetic anhydride (155 μl) were added at 0° C. and stirring was continued at rt for 3 d. Dichloromethane (9 ml) and water (10 ml) were added to the stirred mixture. After 5 min, the separated organic phase was washed with brine (5 ml), dried over MgSO₄, filtered and concentrated. The residue was purified by chromatography on silica (cyclohexane/EtOAc 8:2->7:3) to afford the title compounds A (267 mg, 68%, MNa⁺=766) and B (36 mg, 10%, MNa⁺=670).

Step B

The title compounds A (267 mg; MNa⁺=766) and B (36 mg, MNa⁺=670) from Step A above were dissolved in dioxane (11 ml) and water added (11 ml). The resulting suspension was treated with 1M NaOH (3.6 ml). After stirring at rt overnight, the reaction mixture was acidified with 1M HCl to pH 2-3, extracted with EtOAc (4×40 ml) and the combined organic phases dried over MgSO₄, filtered and concentrated to afford the title compound (282 mg, quant., MNa⁺=642).

Preparative Example 69

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Step A

To the title compound of Preparative Example 61 Step A (500 mg) in anhydrous DMF (10 ml) was added K₂CO₃(123 mg). After cooling down to 0° C., methyl iodide (75 μl) was added dropwise to the stirred mixture. After 10 min, the mixture was allowed to rt and stirred overnight. The reaction mixture was cooled down to 0° C., diluted with acidified saturated aq. NaCl solution (pH 2-3) and added to stirred EtOAc (150 ml). The separated organic phase was washed with brine (2×25 ml), dried over MgSO₄, filtered and concentrated. The residue was purified by chromatography on silica (cyclohexane/EtOAc 8:2->7:3) to afford the title compounds: the 1-Me-tetrazole (170 mg, 33%, MH⁺=580) and the 2-Me-tetrazole (163 mg, 32%, MH⁺=580).

Step B

The title compounds from Step A above (170 mg of the 1-Me-tetrazole and 163 mg of the 2-Me-tetrazole) were separately dissolved in dioxane (5.5 ml) and treated with 1M KOH (1.5 ml) each. After stirring at rt for 3 h, the reaction mixtures were concentrated to ⅓ of their volumes and the pH adjusted to 3 with 1M HCl. The resulting aq. suspension was extracted with EtOAc (3×25 ml) and the combined organic phases dried over MgSO₄, filtered and concentrated to afford the title compounds: the 1-Me-tetrazole (171 mg, quant., M⁺−27=524) and the 2-Me-tetrazole (172 mg, quant., M⁺−27=524).

Preparative Example 70

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Step A

The title compound from Preparative Example 61 (2 g) was dissolved in THF (75 ml) and CH₃CN (75 ml) and triethylamine (4 ml) added. The mixture was cooled to −40° C. and ethylchloroformate (2.3 ml) was slowly added. The mixture was stirred at −25° C. for 1 h, filtered and the salts washed with 35 ml THF. The filtrate was placed in a cooling bath (−20° C.) and a 33%-solution of NH₄OH (30 ml) was added. The mixture was stirred at −20° C. for 30 min and 15 min at rt. Since LC-MS indicated that the conversion was not complete, the mixture was concentrated. The reaction was repeated using the same reaction conditions. After the second run LC-MS indicated that the reaction was completed. The mixture was concentrated to afford the crude title compound together with salts from the reaction (MNa⁺=572).

Step B

The crude title compound from Step A above was suspended in CHCl₃(25 ml) and the mixture cooled to 0° C. At 0° C. TFA (25 ml) was added and stirring at 0° C. was continued for 2 h. The mixture was concentrated and the residue dissolved in H₂O (15 ml). The pH was adjusted to pH=7.0 by adding 10% NaOH and the neutral solution loaded onto a RP-column (Merck; silica gel 60 RP-18, 40-63 μM). The column was washed with H₂O to remove the salts, followed by CH₃CN/H₂O (1:1) to elute the title compound (1.3 g, 88%, MH⁺=406).

Preparative Example 71-87

Treating the compounds from the Preparative Examples with the amines as indicated in the Table below, according to a modified procedure as described in Preparative Example 70, the title compounds were obtained as HCl-salts.

Modifications:

Step A The crude mixture from Step A was dissolved in H₂O and the pH adjusted to pH=4.0 by adding 1 M HCl. The mixture was then extracted with EtOAc, the organic phase separated, dried over MgSO₄, filtered and the solvents removed.

Step B The residue after removal of the Teoc protecting group was diluted with 1M HCl and the aqueous phase washed with EtOAc. Concentration of the aqueous phase afforded the title compound as HCl-salt.

Preparative
Preparative

Example
Example
Amines
Title compound
MH⁺

71
61

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462

72
61

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434

73
61

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462

74
61

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490

75
61

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486

76
61

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546

77
62

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420

78
62

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447

79
63
NH₃

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420

80
66

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478

81
67

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437

82
68

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530

83
69 1-Me-tetrazole

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406

84
69 2-Me-tetrazole

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406

85
61 Step B
none

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436

86
61
none

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408

87
64
none

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374

Preparative Example 88

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Step A

Commercially available anthraquinone (8.0 g) was suspended in CHCl₃(100 ml) and conc. H₂SO₄(20 ml) was added. The resulting biphasic system was rapidly stirred and NaN₃(3.1 g) was added in portions at rt. The mixture was stirred for 1 h at rt and at 30-40° C. (water bath) for another 3 h. After the addition of ice water (80 ml), the precipitate was collected by filtration and dried to afford the title compound (8.40 g; 97%; MH⁺=224).

Step B

The title compound from Step A above (8.0 g) was dissolved in DMSO (140 ml) under N₂at 10° C. After the addition of KOtBu (5.7 g), the mixture was stirred for 15 min at that temperature. After the addition of CH₃I (4.2 ml), the mixture was allowed to warm to rt and stirred for 2 h. After the addition of 1 M HCl (130 ml) and EtOAc (100 ml), the organic phase was separated and the aqueous phase extracted with EtOAc (2×50 ml). The combined organic phase was washed with H₂O (50 ml), brine (50 ml), dried over MgSO₄and concentrated. The residue was purified by chromatography on silica (EtOAc/cyclohexane) to afford the title compound (4.88 g; 61%; MH⁺=238).

Step C

Tosylmethyl isocyanide was dissolved in DMSO (10 ml) under N₂at 10° C. and KOtBu (1.36 g) was added. The mixture was stirred for 5 min and MeOH (0.173 ml) was added. The title compound from Step B above (0.8 g) was immediately added to the mixture. After 10 min dibromoethane (1.51 ml) was added and stirring was continued for 1 h at rt. The mixture was diluted with EtOAc (10 ml) and sat. NH₄Cl (30 ml) was added. The organic phase was separated and the aqueous phase was extracted with EtOAc (2×50 ml). The combined organic phase was washed with H₂O (50 ml), brine (50 ml), dried over MgSO₄and concentrated. The residue was dissolved in DMF (40 ml) and potassium phthalimide (3.13 g) added. The resulting mixture was heated to 60° C. for 3 h and concentrated. The residue was suspended in CHCl₃and filtered. The filtrate was concentrated and the residue purified by chromatography on silica (EtOAc/cyclohexane) to afford the title compound (612 mg; 43%; MH⁺=422).

Step D

The title compound from Step C above (0.6 g) was dissolved in toluene (30 ml) under N₂and dibutyltin oxide (1.68 g) and trimethylsilylazide (8.9 ml) were added. The mixture was then heated at 75° C. for 24 h. The mixture was concentrated, the residue suspended in EtOAc (40 ml) and 1 M HCl (40 ml) and stirred for 2 h at rt. MeOH (10 ml) was added and the organic phase was separated. The aqueous phase was extracted with EtOAc (3×20 ml) and the combined organic phase was washed with brine (20 ml), dried over MgSO₄and evaporated. The residue was purified by chromatography on silica (MeOH/CH₂Cl₂) to afford the title compound (565 mg; 84%; MH⁺=465).

Step E

The title compound from Step D above (0.22 g) was dissolved in EtOH (7 ml) and CHCl₃(3 ml) and the mixture was heated to 80° C. Hydrazine monohydrate (0.108 g) was added and the mixture was stirred at 80° C. for 1 h. The mixture was allowed to cool to rt within 1 h. The precipitate was removed by filtration and washed with EtOH. The filtrate was concentrated and dissolved in CHCl₃(20 ml) and 1 M HCl (10 ml). The aqueous phase was separated, filtered and evaporated to afford the title compound (85 mg; 48%; MH⁺=335).

Preparative Example 89

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Step A

To a solution of the commercially available L-pyroglutamic acid ethylester (15.7 g) in methylene chloride (90 ml) was sequentially added at rt di-tert-butyldicarbonate (24 g) and a catalytic amount of DMAP (120 mg). After stirring for 6 h at rt the reaction mixture was quenched with saturated brine and extracted with methylene chloride. (3×30 ml). The organic phase was dried over MgSO₄, concentrated and the residue purified by flash chromatography on silica (CH₂Cl₂) to afford the title compound (16.3 g, 63%, MNa⁺=280).

Step B

A solution of the title compound from Step A above (16.3 g) in toluene (100 ml) was cooled to −78° C. and triethylborohydride (67 ml of a 1.0 M solution in THF) was added dropwise over 90 minutes. After 3 h, 2,6 lutidine (43 ml) was added dropwise followed by DMAP(20 mg). To this mixture was added TFAA (11 ml) and the reaction was allowed to come to ambient temperature over 2 h. The mixture was diluted with ethyl acetate and water and the organics were washed with 3 N HCl, water, aqueous bicarbonate and brine. The organic phase was dried over MgSO₄, filtered and concentrated. The residue was purified by chromatography on silica (cyclohexane/EtOAc 5:1) to afford the title compound (10.9 g, 72%, MNa⁺=264).

Step C

A solution of the title compound from Step B above (3.5 g) in 1,2 dichloroethane (75 ml) was cooled to −15° C. and Et₂Zn (25 mL of a 1.0 M solution in THF) was added dropwise. To this mixture was added drop wise ClCH₂I (4.5 ml) over 30 minutes. After stirring for 18 h at −15° C. the mixture was quenched with saturated aqueous bicarbonate and the solvent was evaporated and the reaction was taken up in ethyl acetate and washed with brine. The organic phase was dried over MgSO₄, filtered and concentrated. The residue was purified by chromatography on silica (cyclohexane/EtOAc 4:1) to afford the diastereomerically pure title compound (1.5 g, 41%, MNa⁺=278).

Step D

A solution of the title compound from Step C above (1.4 g) in MeOH (40 ml) and THF (20 ml) was treated with 1 N LiOH (10 ml) and stirred overnight at rt. The reaction mixture was acidified to pH 4.5 with 2 N HCl and stirred for 15 min at rt. The mixture was then extracted with EtOAc, the organic phase washed with brine, dried over MgSO₄and evaporated to afford the title compound (1.2 g, 96%, MNa⁺=250).

Step E

To a solution of the title compound from Step D above (1.2 g) in THF (20 ml) was added at −15° C. 4-methylmorpholine (710 μl) and then isobutyl chloroformate (780 μl) over 5 minutes and stirred then for 30 minutes. The reaction mixture was cooled to −30° C. and treated with a solution of NH₃in dioxane (25 ml, 0.5 M in dioxane). The reaction mixture was stirred for 30 minutes, warmed to rt and stirred overnight. The reaction mixture was acidified to pH 4.5 with 10% aqueous citric acid and extracted with ether (3×50 ml). The organic phase was dried over MgSO₄, filtered and concentrated. The residue was purified by chromatography on silica (cyclohexane/EtOAc 1:10) to afford the title compound (1.0 g, 84%, MNa⁺=248).

Step F

To a stirred solution o of the title compound from Step E above (0.9 g) in methylene chloride (5 ml) was sequentially added at 0° C. TFA (5 ml). After stirring for 12 h at 0° C. the reaction mixture was concentrated under reduced pressure to afford the title compound (0.9 g, 100%, MH⁺=127).

Step G

The title compound from Step F above (450 mg) was dissolved in CH₂Cl₂(12 ml) and triethylamine (0.4 ml). The mixture was cooled to 0° C. and DMAP (25 mg) was added followed by fumarylchloride (0.099 ml). The mixture was stirred at 0° C. and allowed to warm to rt overnight. The mixture was concentrated to afford the crude title compound (MH⁺=333).

Step H

To a cooled (0° C.) solution of DMF (4 ml) was carefully added oxalylchloride (0.32 ml). After the addition was completed, the mixture was stirred at 0° C. for 5 min. Then pyridine (0.6 ml) was added followed by a solution of the crude title compound from Step G above in DMF (2 ml) and CH₂Cl₂(4 ml). The mixture was then stirred at 0° C. for 2 h. The mixture was concentrated and the residue partitioned between EtOAc (50 ml) and brine (25 ml). The organic phase was separated and the aqueous phase extracted with EtOAc (2×25 ml). The combined organic phase was dried over MgSO₄, filtered and concentrated. The residue was purified by chromatography on silica (CH₂Cl₂/MeOH, 95:5) to afford the title compound (250 mg, 92%, MH⁺=297).

Step I

The title compound from Step H above (328 mg) was dissolved in CHCl₃(3 ml) and MeOH (3 ml). The mixture was then treated with ozone according to Preparative Example 2 Step C to afford the title compound (350 mg, 80%, MH⁺=165 (aldehyde); MH⁺=219 (hemiacetal)).

Preparative Example 90

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Step A

To a stirred solution of potassium hydroxide (1.2 g) in ethanol (10 mL) was sequentially added at rt the commercial available bis(tert.-butyldicarbonyl)amine (4.5 g). After stirring for 1 h at rt the reaction mixture was quenched with ether and the precipitate was filtered and washed with ether (3×10 mL) to afford the title compound (3.4 g)

Step B

The title compound from Step A above (95 mg) was dissolved in CHCl₃(2.25 ml) and 1,3-dimethoxybenzene (0.18 ml) added. To the mixture was then added TFA (0.75 ml) and the mixture was stirred at rt for 1 h 30 min. The mixture was concentrated, dissolved in CH₃CN (3 ml) and concentrated again. The residue was dissolved in 100 mM HCl (3 ml) and EtOAc (3 ml). The aqueous phase was separated, washed with EtOAc (2 ml) and concentrated. The residue was suspended in CH₃CN (1.5 ml), sonicated for 1 min and the CH₃CN removed by syringe. The residue was then dried in HV to afford the title compound (42 mg, 84%, MH⁺=154).

Preparative Example 91

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Step A

To a solution of the commercial available Boc-Fmoc-protected amino acid (1.05 g) in methanol (25 ml) was added diethyl amine (1.5 ml). After stirring for 2.5 h at room temperature the reaction mixture was concentrated, and the residue was dissolved in water (50 ml) and Et₂O (50 ml). The organic phase was extracted with water (3×50 ml) and the combined aqueous extracts were concentrated. The residue was used for the next step without any further purification.

Step B

To a solution of the title compound from Step A above (530 mg) and 3-fluorobenzaldehyde (245 μl) in 15 ml of methanol was added NaBH₃CN (150 mg), and the mixture was stirred at 25° C. overnight. The mixture was concentrated, and the residue was dissolved in EtOAc (50 ml). The organic layer was extracted with water (3×50 ml) and the combined aqueous extracts were concentrated. The residue was used for the next step without any further purification.

Step C

To a stirring solution of the title compound from Step B above (760 mg) in DMF (20 ml) was added HOBt (470 mg) followed by EDCI (670 mg) and DMAP (30 mg). N-methyl morpholine (440 μl) was added and stirring was continued at rt overnight. The solvent was removed in vacuo, the residue diluted with EtOAc and then washed with saturated aqueous NaHCO₃. The organic phase was dried over MgSO₄, concentrated and the residue purified by flash chromatography on silica (CH₂Cl₂/acetone, 9:1) to afford the title compound (430 mg, 60% over 3 steps, MH⁺=321).

Step D

The title compound from Step C above (760 mg) was dissolved in EtOAc (6 ml) and a solution of 4 M HCl in dioxane (6 ml) was added. After 2 h the mixture was triturated with aqueous NaHCO₃to pH 7.5 and stirred for 15 min at rt. After evaporation of the solvent, the crude product was purified by flash chromatography on silica (CH₂Cl₂/MeOH, 9:1) to afford the title compound (420 mg, 80%, MH⁺=221).

Step E

To a solution of the title compound from Step D above (85 mg) in THF (5 ml) was added triethylamine (80 μl) and the mixture was stirred for 1 h at 50° C. Then the sulfamidate (240 mg.), prepared according to WO 03/037327, was added in one portion at −15° C. and the mixture was stirred at ambient temperature over 2 d. After the addition of 1 M NH₄HCO₃solution (5 ml), the mixture was stirred for 30 min. Then an excess saturated NaHCO₃solution was added and stirring was continued for another 15 min. The mixture was then partitioned between EtOAc and water and the aqueous phase extracted with EtOAc. The combined organic phase was dried over MgSO₄and concentrated in vacuo. The residue was purified by column chromatography on silica (CH₂Cl₂/acetone, 9:1) to afford the title compound (135 mg, 79%, MH⁺=422).

Step F

A solution of the title compound from Step E above (135 mg) in MeOH (2.5 ml) and THF (5 ml) was treated with 1 N LiOH (1.5 ml) and stirred overnight at rt. The reaction mixture was acidified to pH 4.5 with 2 N HCl and stirred for 15 min at rt. The mixture was then extracted with EtOAc, the organic phase washed with brine, dried over MgSO₄and evaporated to afford the title compound (125 mg, 96%, MH⁺=408).

Preparative Example 92

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Step A

A solution of commercially available N-Boc-trans-4-hydroxyl-L-proline ester (2.93 g) in CH₂Cl₂(20 ml) was cooled to −30° C. and treated with DIEA (4.8 ml). After the addition of triflic anhydride (2.2 ml), the mixture was stirred at −30° C. for 60 min and then treated with a solution of the commercially available amine in CH₂Cl₂(20 ml). The mixture was allowed to warm to rt overnight. The mixture was diluted with CH₂Cl₂(20 ml), washed with 0.5 M Na₂CO₃(2×50 ml) and brine (50 ml). The organic phase was dried over MgSO₄and concentrated to leave a residue, which was purified by chromatography on silica (CH₂Cl₂/acetone, 4:1) to afford the title compound (2.22 g, 75%, MH⁺=367).

Step B

A solution of the title compound from Step A above (700 mg) in MeOH (24 ml) and THF (12 ml) was treated with 1 N LiOH (6 ml) and stirred overnight at rt. The reaction mixture was acidified to pH 4.5 with 1 N HCl and stirred for 15 min at rt. The mixture was then extracted with EtOAc, the organic phase washed with brine, dried over MgSO₄and evaporated to afford the title compound (665 mg, 95%, MH⁺=353).

Step C

To a stirring solution of the title compound from Step B above (665 mg) in DMF (15 ml) was added HOBt (390 mg) followed by EDCI (560 mg) and DMAP (30 mg). N-methyl morpholine (420 μl) was added and stirring was continued at rt overnight. The solvent was removed in vacuo, the residue diluted with EtOAc and then washed with saturated aqueous NaHCO₃. The organic phase was dried over MgSO₄, concentrated and the residue purified by flash chromatography on silica (CH₂Cl₂/acetone, 9:1) to afford the title compound (556 mg, 87%, MH⁺=335).

Step D

The title compound from Step C above (760 mg) was dissolved in EtOAc (4 ml) and a solution of 4 M HCl in dioxane (4 ml) was added. After 2 h the mixture was triturated with aqueous NaHCO₃to pH 7.5 and stirred for 15 min at rt. After evaporation of the solvent, the crude residue was purified by flash chromatography on silica (CH₂Cl₂/MeOH, 9:1) to afford the title compound (300 mg, 77%, MH⁺=235).

Step E

To a solution of the title compound from Step D above (290 mg) in THF (5 ml) was added triethyl amine (280 μl) and the mixture was stirred for 1 h at 50° C. Then the sulfamidate (590 mg.), prepared according to WO 03/037327, was added in one portion at −15° C. and the mixture was stirred at ambient temperature over 2 d. After the addition of 1 M NH₄HCO₃solution (5 ml), the mixture was stirred for 30 min. Then an excess saturated NaHCO₃solution was added and stirring was continued for another 15 min. The mixture was then partitioned between EtOAc and water and the aqueous phase extracted with EtOAc. The combined organic phase was dried over MgSO₄and concentrated in vacuo. The residue was purified by column chromatography on silica (CH₂Cl₂/acetone, 4:1) to afford the title compound (163 mg, 30%, MH⁺=436).

Step F

A solution of the title compound from Step E above (163 mg) in MeOH (2.5 ml) and THF (5 ml) was treated with 1 N LiOH (1.5 ml) and stirred overnight at rt. The reaction mixture was acidified to pH 4.5 with 2 N HCl and stirred for 15 min at rt. The mixture was then extracted with EtOAc, the organic phase washed with brine, dried over MgSO₄and evaporated to afford the title compound (140 mg, 96%, MH⁺=422).

Preparative Example 93

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Step A

To a stirring solution of the title compound from Preparative Example 91 (25 mg) in DMF (3 ml) was added HOBt (15 mg), followed by EDCI (20 mg) and DMAP (3 mg). Commercially available (S)-Pyrrolidine-2-carbonitrile hydrochloride (15 mg) was added after 1 h, followed by N-methyl morpholine (20 μl). The mixture was stirred at rt overnight, the solvent removed in vacuo, and the residue was diluted with EtOAc. The mixture was washed with saturated aqueous NaHCO₃, separated, dried over MgSO₄and concentrated. The residue was purified by flash chromatography on silica (CH₂Cl₂/acetone, 9:1) to afford the title compound (17 mg, 59%, MH⁺=486).

Step B

To a stirring solution of the title compound Preparative Example 91 (125 mg) in DMF (5 ml) was HOBt (46 mg), followed by EDCI (65 mg) and DMAP (5 mg). After 1 h commercially available L-proline amide (68 mg) and N-methyl morpholine (100 μl) were added and stirring was continued at rt overnight. The solvent was removed in vacuo, the residue diluted with EtOAc and washed with saturated aqueous NaHCO₃. The organic phase was separated, dried over MgSO₄and concentrated. The residue was purified by flash chromatography on silica (CH₂Cl₂/acetone, 4:1) to afford the title compound (137 mg; 88%; MH⁺=504).

Step C

To a solution of the title compound from Step B above (137 mg) in pyridine (7 ml) was added imidazole (41 mg). At −30° C. POCl₃(102 μl) was slowly added to the mixture and the mixture was allowed to reach rt over a period of 1 h. Then the solvent was removed and the residue diluted with 1 N HCl and Et₂O. The organic phase was separated, dried over MgSO₄and evaporated. The residue was purified by column chromatography on silica (CH₂Cl₂/acetone, 4:1) to afford the title compound (72 mg, 55%, MH⁺=486).

Preparative Example 94-108

Following a similar procedure as that described in Preparative Examples 92 and 93, except using the amines and amides as indicated in the Table below, the following compound were prepared. For Preparative Examples 105 and 106 the conversion of the nitrile to the carboxamide with subsequent saponification of the ester moiety was done according to Preparative Example 91 Step F with 3M Na₂CO₃and H₂O₂.

Preparative

1. Yield

Example
Amide
Amine
Product
2. MH⁺

94

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1. 55% 2. 498

95

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1. 90% 2. 537

96

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1. 71% 2. 493

97

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1. 70% 2. 504

98

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1. 73% 2. 516

99

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1. 65% 2. 493

100

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1. 54% 2. 505

101

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1. 78% 2. 493

102

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1. 56% 2. 500

103

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1. 65% 2. 512

104

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1. 71% 2. 514

105

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1. 68% 2. 511

106

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1. 56% 2. 511

107

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1. 62% 2. 526

108

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1. 2.

Preparative Example 109

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Step A

A solution of commercially available N-Boc-trans-4-hydroxyl-L-proline methyl ester (370 mg) in CH₂Cl₂(2 ml) was cooled to −30° C. and treated with DIEA (600 μl). After the addition of triflic anhydride (280 μl), the mixture was stirred at −30° C. for 60 min and then treated with a solution of the title compound from Preparative Example 91 Step D in CH₂Cl₂(2 ml). The mixture was allowed to warm to rt overnight. The mixture was diluted with CH₂Cl₂(10 ml), washed with 0.5 M Na₂CO₃(2×10 ml) and brine (10 ml). The organic phase was dried over MgSO₄and concentrated to leave a residue, which was purified by chromatography on silica ((CH₂Cl₂/acetone, 4:1), 4:1) to afford the title compound (225 mg, 33%, MH⁺=448).

Step B

A solution of the title compound from Step A above (225 mg) in MeOH (4 ml) and THF (8 ml) was treated with 1 N LiOH (2 ml) and stirred overnight at rt. The reaction mixture was acidified to pH 4.5 with 1 N HCl and stirred for 15 min at rt. The mixture was then extracted with EtOAc, the organic phase washed with brine, dried over MgSO₄and evaporated to afford the title compound (91 mg, 40%, MH⁺=434).

Step C

To a stirring solution of the title compound from Step B above (91 mg) in DMF (3 ml) was added HOBt (40 mg), followed by EDCI (60 mg) and DMAP (10 mg). Commercially available (S)-Pyrrolidine-2-carbonitrile hydrochloride (35 mg) was added after 1 h, followed by N-methyl morpholine (66 μl). The mixture was stirred at rt overnight, the solvent removed in vacuo, and the residue was diluted with EtOAc. The mixture was washed with saturated aqueous NaHCO₃, separated, dried over MgSO₄and concentrated. The residue was purified by flash chromatography on silica (CH₂Cl₂/acetone, 1:1) to afford the title compound (50 mg, 47%, MH⁺=512).

Preparative Example 110

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Step A

The title compound from Preparative Example 91 Step D (305 mg) was dissolved in THF (2 ml) was added triethyl amine (63 μl) and the mixture was stirred for 1 h at 50° C. Then the title compound from Preparative Example 19 (100 mg) was added in one portion at −15° C. and the mixture was stirred at ambient temperature overnight. After the addition of 1 M NH₄HCO₃solution (5 ml), the mixture was stirred for 30 min. Then an excess saturated NaHCO₃solution was added and stirring was continued for another 15 min. The mixture was then partitioned between EtOAc and water and the aqueous phase extracted with EtOAc. The combined organic phase was dried over MgSO₄and concentrated in vacuo. The residue was purified by column chromatography on silica (CH₂Cl₂/acetone, 4:1) to afford the title compound (58 mg, 57%, MH⁺=378).

Step B

The title compound from Step A above (58 mg) was dissolved in EtOAc (2 ml) and a solution of 4 M HCl in dioxane (2 ml) was added. After 2 h the mixture was evaporated to afford the title compound (48 mg, quant., MH⁺=278).

Preparative Example 111

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Step A

Commercially available N-cyclohexylcarbodiimide-N′-methyl polystyrene resin (1.9 g) was suspended in 5 ml dichloromethane and agitated for 5 Min. The commercially available amino acid (468 mg) and amine (86 mg), prepared from the commercially available hydrochloride by adding 1 eq. pyridine, were dissolved in 1.5 ml dimethylformamide and added to the above resin. The mixture was agitated for 16 h, filtered and the resin washed with 2×5 ml dichloromethane and 5 ml methanol. The combined filtrates were concentrated and the residue purified by flash chromatography (silica, CH₂Cl₂/MeOH, 9:1) to afford the title compound (500 mg; 91%).

¹H-NMR (CDCl₃): δ 1.45 (9 H, s), 2.05-2.30 (4H, m), 3.25-3.40 (1H, m), 3.50-3.70 (2H, m), 3.80-3.90 (1H, m), 4.15-4.25 (1H, m), 4.30-4.40 (2H, m), 4.55-4.65 (1H, m), 4.70-4.80 (1H, m), 5.50-5.60 (2H, m), 7.25-7.40 (4H, m), 7.55-7.65 (2H, m), 7.70-7.80 (2H, m).

Step B

The title compound from Step A above (500 mg) was dissolved in dichloromethane (10 ml) and treated with diethylamine (10 ml). After 2 h the mixture was concentrated and the residue was purified by flash chromatography (silica, CH₂Cl₂/MeOH, 4:1) to afford the title compound (224 mg; 80%).

¹H-NMR (CDCl₃): δ 1.45 (9H, s), 1.70 (2H, s), 2.05-2.30 (4H, m), 2.95-3.05 (2H, m), 3.70-3.85 (2H, m), 4.35-4.50 (1H, m), 4.75-4.85 (1H, m), 5.50-5.60 (1H, m).

Preparative Example 112

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Step A

A solution of commercially available N-Fmoc-trans-4-hydroxyl-L-proline (4.5 g) in aqueous ethanol (80%, 45 ml) was titrated with a solution of Cs₂CO₃(2.3 g) in water (18 ml) to pH 7. The solvents were evaporated and the residue dried in vacuo. The caesium salt was suspended in dry DMF (45 ml), cooled to 0° C. and treated with allyl bromide (11.5 ml) by dropwise addition over 10 min. After 30 min the solution was allowed to reach rt and stirring was continued for another 3 h. The reaction mixture was filtered and concentrated. The residue was purified by chromatography on silica (EtOAc/cyclohexane) to afford the title compound (4.5 g, 90%, MH⁺=394).

Step B

The title compound from Step A above (2.5 g) in CH₂Cl₂(60 ml) was cooled to −30° C. and treated with DIEA (2.5 ml). After the addition of triflic anhydride (1.2 ml), the mixture was stirred at −30° C. for 60 min and then treated with a solution of Preparative Example 84 (1.17 g) in CH₂Cl₂(15 ml). The mixture was allowed to warm to 0° C., stirred at 0° C. for 12 h and refluxed for additional 4 h. The mixture was diluted with CH₂Cl₂(50 ml), washed with 0.5 M Na₂CO₃(2×25 ml) and brine (25 ml). The organic phase was dried over MgSO₄and concentrated to leave a residue, which was purified by chromatography on silica (EtOAc/cyclohexane, 7:3) to afford the title compound (1.41 g, 50%, MH⁺=658).

Step C

To the title compound from Step B above (1.8 g) in THF (120 ml) was added dimedone (1.27 g) and Pd(PPh₃)₄(422 mg). The reaction mixture was stirred at room temperature for 19 h. Following removal of the solvent under reduced pressure, chromatography on silica (CH₂Cl₂/MeOH 9:1) afforded the title compound (1.42 g, 84%, MH⁺=618).

Step D

To a solution of the title compound from Step C above (1.42 g) in CH₂Cl₂(70 ml) was added HOBT (405 mg) followed by EDCI (575 mg) and N-methyl-morpholine (0.33 ml). After being stirred at ambient temperature for 24 h, the solvent was evaporated to give a viscous residue, which was partitioned between EtOAc and ammonium acetate buffer (pH 6). The aqueous phase was extracted with ethyl acetate (3×100 ml) and the combined organic phase dried over MgSO₄and concentrated to afford the title compound (1.35 g, MNH₄⁺=617).

Step E

To a solution of the title compound from Step D above (1.35 g) in acetonitrile (100 ml) was added diethyl amine (10 ml). After stirring for 2.5 h at rt, the reaction mixture was concentrated. The residue was purified by chromatography on silica (CH₂Cl₂/MeOH, 9:1) to afford the title compound (712 mg; 85%, MH⁺=378).

Preparative Example 113

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To a solution of the title compound from Preparative Example 112 (13 mg) in CH₂Cl₂(0.8 ml) was added piperidino methyl polystyrene resin (65 mg) and 3-fluorobenzene-1-sulfonyl chloride (5.5 μl). After shaking at rt for 3 h, tris-(2-aminoethyl)amine polystyrene resin (30 mg) was added and agitated for additional 1 h at rt. The mixture was filtered, the resin washed with CH₂Cl₂(5 ml) and methanol (1 ml) and the combined filtrates evaporated. Purification by chromatography on silica (CH₂Cl₂/MeOH 9:1) afforded the title compound (13 mg, 71%, MNH₄⁺=553).

Preparative Example 114-116

Following a similar procedure as that described in Preparative Example 113, except using the sulfonic acid chlorides as indicated in the Table below, the following compounds were prepared.

Preparative
Sulfonic acid

1. Yield

Example
chloride
Product
2. MH⁺

114

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1. 69 2. 541 (MNH₄⁺)

115

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1. 92 2. 546 (MNa⁺)

116

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1. 89 2. 604 (MNa⁺)

Preparative Example 117-119

Following a similar procedure as that described in Preparative Example 113, except using the acid chlorides as indicated in the Table below, the following compounds were prepared.

Preparative

1. Yield

Example
Acid chloride
Product
2. MH⁺

117

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1. 100 2. 488 (MH⁺)

118

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1. 49 2. 519 (MNH₄⁺)

119

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1. 70 2. 506 (MNa⁺)

Preparative Example 120

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To a solution of the title compound from Preparative Example 112 (20 mg) in CH₂Cl₂(0.8 ml) was added tert.-butyl isocyanate (5.8 mg). After stirring at room temperature for 3 h the solvent was evaporated. Purification by chromatography (CH₂Cl₂/acetone 1:1) afford the title compound (16 mg, 63%, MH⁺=477).

Preparative Example 121

Following a similar procedure as that described in Preparative Example 120, except using the isocyanate as indicated in the Table below, the following compound was prepared.

Preparative

1. Yield

Example
Isocyanate
Product
2. MH⁺

121

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1. 69 2. 592 (MNH₄⁺)

Preparative Example 122

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The title compound from Preparative Example 15 Step A (13 mg) was dissolved in CH₂Cl₂(0.7 ml) and added to N-cyclohexylcarbodiimide, N′-methyl polystyrene resin (120 mg). The mixture was agitated for 15 min and then treated with a solution of the title compound from Preparative Example 112 (0.54 ml, 7.5 mM CH₂Cl₂). After shaking at rt for 12 h, the mixture was filtered and the resin washed with CH₂Cl₂(5 ml). The filtrates were concentrated in vacuo to afford the title compound (30 mg, 95%, MNa⁺=632).

Preparative Example 123

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Step A

Commercially available 2,5-diaza-bicyclo[2.2.1]heptane-2-carboxylic acid tert-butyl ester (400 mg) and aziridine-1,2-dicarboxylic acid 1-benzyl ester 2-methyl ester (431 mg) were dissolved in toluene (5 ml). The mixture was stirred at rt overnight and then for 5 h at 80° C. The solvent was removed and the residue purified by chromatography on silica (CH₂Cl₂/acetone 9:1) to afford the title compound (468 mg, 58%, MH⁺=434).

Step B

The title compound from Step A above (245 mg) was dissolved in dioxane (5 ml) and a solution of 4 M HCl in dioxane (5 ml) was added. The mixture was stirred for 2 h at rt and the solvents removed to afford the title compound (208 mg, 100%, MH⁺=334).

Step C

To the title compound from Step B above (130 mg) were added CH₂Cl₂(10 ml) and pyridine (1 ml). After the addition of commercially available thiophen-2-yl-acetyl chloride (61 mg) the reaction mixture was stirred at rt overnight. The solvent was removed and the residue purified by chromatography on silica (CH₂Cl₂/acetone 9:1) to afford the title compound (90 mg, 57%, MH⁺=458).

Step D

The title compound from Step C above (130 mg) was dissolved in THF (4 ml) and methanol (2 ml). After the addition of 1 M aqueous LiOH-solution (1 ml), the mixture was stirred for 4 h at rt. The solvents were removed and the residue dissolved in water and acidified with 1 M HCl to pH˜4. The mixture was extracted with EtOAc, the organic phase washed with brine, dried over MgSO₄and concentrated to yield the title compound (75 mg, 86%, MH⁺=444).

Step E

The title compound from Step D above (75 mg) was dissolved in DMF (5 ml). After the addition of EDCI (38 mg), HOBt (27 mg), N-methylmorpholine (0.15 ml) and DMAP (10 mol %), the mixture was stirred for 1 h at rt. Then commercially available 2-(S)-cyanopyrrolidine hydrochloride was added and the mixture was stirred overnight at rt. The solvent was removed and the residue dissolved in EtOAc, washed with brine, dried over MgSO₄. and concentrated. The residue was purified by chromatography on silica (cyclohexane/EtOAc, 7:3) to afford the title compound (27 mg, 30%, MH⁺=522).

Preparative Example 124-125

Following a similar procedure as that described in Preparative Example 123, except using the piperazine derivatives and sulfonic acid chlorides as indicated in the Table below, the following compounds were prepared.

Piperazine
Sulfonic Acid

1. Yield

Example
derivative
chloride
Product
2. MH⁺

124

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1. 73% 2. 556

125

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none

1. 27% 2. 492

Preparative Examples 126-129 have been intentionally excluded.

Preparative Example 130

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Step A

Commercially available 2-formyl-pyrrolidine-1-carboxylic acid tert-butyl ester (330 mg) in anhydrous THF (5 ml) was cooled to 0° C. and trimethyl -trifluoromethylsilane (300 μl) added, followed by addition of tetrabutylammoniumfluoride (60 μl; 1 M in THF). The reaction mixture was allowed to warm to rt and then stirred for 1 h. After dilution with diethyl ether, the organic phase was washed with brine and the aqueous phase extracted with diethyl ether. The combined organic phases were dried (MgSO₄) and evaporated to afford the title compounds as a 1:1 mixture of alcohol and TMS ether (490 mg, 97%, [MH-Boc]⁺=242 (TMS ether); [MH-Boc]⁺=170 (alcohol)).

Step B

The title compounds from Step A above (721 mg) in dichloromethane (5 ml) were added to Dess Martin periodinane (2.32 g) in dichloromethane (15 ml) with stirring. Trifluoroacetic acid (410 μl) was added dropwise and the turbid reaction mixture stirred for 17 h at rt, after which it was directly coated on silica and purified by column chromatography (silica, cyclohexane/EtOAc 90:10->80:20) to afford the title compound (301 mg, 45%, [MH-Boc]⁺=168).

Step C

To the title compound from Step B above (106 mg) in dioxane (500 μl) was added 4 M HCl in dioxane (500 μl) and the resulting mixture stirred for 16 h at rt. Diethyl ether was added (2 ml) and the suspension filtered. The precipitate was dried and the title compound obtained as its HCl salt (81 mg, 91%, MH⁺=186).

Preparative Examples 131-199 have been intentionally excluded.

Preparative Example 200-294

If one were to follow a similar procedure as that described in Preparative Example 61 and in Preparative Example 44, except using the sulfamidates as indicated in the Table below in Step A of Preparative Example 61, one would obtain the title compounds, listed in the following Table in the “product” column.

Preparative

Preparative
Example

Example
Sulfamidate
Product

200
24

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201
25

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202
26

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203
27

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204
28

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205
29

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206
30

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207
31

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208
32

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209
33

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210
34

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211
35

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212
36

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213
37

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214
38

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215
39

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216
40

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217
41

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218
42

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219
43

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220
44

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221
45

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222
46

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223
24

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224
23

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225
25

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226
26

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227
27

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228
28

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229
29

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230
30

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231
31

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232
32

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233
33

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234
34

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235
35

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236
36

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237
37

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238
38

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239
39

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240
40

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241
41

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242
42

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243
43

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244
44

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245
45

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246
46

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247
24

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248
23

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249
25

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250
26

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251
27

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252
28

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253
29

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254
30

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255
31

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256
32

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257
33

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258
34

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259
35

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260
36

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261
37

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262
38

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263
39

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264
40

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265
41

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266
42

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267
43

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268
44

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269
45

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270
46

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271
24

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272
23

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273
25

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274
26

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275
27

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276
28

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277
29

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278
30

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279
31

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280
32

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281
33

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282
34

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283
35

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284
36

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285
37

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286
38

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287
39

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288
40

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289
41

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290
42

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291
43

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292
44

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293
45

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294
46

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Examples 295-299 have been intentionally excluded.

Preparative Example 300

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Step A

If one were to treat the compound from Preparative Example 59 with the sulfimidate from Preparative Example 22 according to the procedure described in Preparative Example 61 Step A, one would obtain the title compound.

Step B

If one were to treat the title compound from Step A above with NaN₃as described in Preparative Example 61 Step B, one would obtain the title compound.

Step C

If one were to treat the title compound from Step B above with acetic acid anhydride in pyridine at 100° C. for 2 h one would obtain, after the removal of the pyridine under reduced pressure and after column chromatography, the title compound.

Step D

If one were to treat the title compound from Step A above according to the procedures described in Preparative Example 70 one would obtain the title compound.

Preparative Example 301-335

If one were to follow a similar procedure as that described in Preparative Example 300, except using the appropriate intermediate from the Preparative Examples and anhydrides or acid chlorides and amines as indicated in the Table below, one would obtain the desired amine product.

Preparative
Preparative
Acid Chloride/

Example
Example
Anhydride
Amine
Product

301
300

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NH₃

302
300

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NH₃

303
300

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NH₃

304
61

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NH₃

305
61

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NH₃

306
61

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NH₃

307
61

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NH₃

308
65

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NH₃

309
65

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NH₃

310
65

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NH₃

311
65

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NH₃

312
300

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CH₃NH₂

313
300

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CH₃NH₂

314
300

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CH₃NH₂

315
300

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CH₃NH₂

316
61

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CH₃NH₂

317
61

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CH₃NH₂

318
61

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CH₃NH₂

319
61

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CH₃NH₂

320
65

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CH₃NH₂

321
65

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CH₃NH₂

322
65

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CH₃NH₂

323
65

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CH₃NH₂

324
300

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(CH₃)₂NH

325
300

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(CH₃)₂NH

326
300

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(CH₃)₂NH

327
300

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(CH₃)₂NH

328
61

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(CH₃)₂NH

329
61

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(CH₃)₂NH

330
61

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(CH₃)₂NH

331
61

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(CH₃)₂NH

332
65

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(CH₃)₂NH

333
65

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(CH₃)₂NH

334
65

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(CH₃)₂NH

335
65

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(CH₃)₂NH

Example numbers 336-399 were intentionally excluded.

Preparative Example 400-434

If one were to follow a similar procedure as that described in Preparative Example 66, except using the appropriate intermediate from the Preparative Examples and hydroxylamine hydrochlorides and amines as indicated in the Table below and treat the products according to Preparative Example 70, one would obtain the desired amine product.

Preparative
Preparative
Hydroxylamine

Example
Example
hydrochloride
Amine
Product

400
300

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NH₃

401
300

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NH₃

402
300

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NH₃

403
300

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NH₃

404
61

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NH₃

405
61

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NH₃

406
61

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NH₃

407
61

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NH₃

408
65

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NH₃

409
65

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NH₃

410
65

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NH₃

411
65

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NH₃

412
300

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CH₃NH₂

413
300

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CH₃NH₂

414
300

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CH₃NH₂

415
300

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CH₃NH₂

416
61

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CH₃NH₂

417
61

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CH₃NH₂

418
61

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CH₃NH₂

419
61

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CH₃NH₂

420
65

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CH₃NH₂

421
65

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CH₃NH₂

422
65

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CH₃NH₂

423
65

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CH₃NH₂

424
300

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(CH₃)₂NH

425
300

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(CH₃)₂NH

426
300

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(CH₃)₂NH

427
300

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(CH₃)₂NH

428
61

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(CH₃)₂NH

429
61

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(CH₃)₂NH

430
61

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(CH₃)₂NH

431
65

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(CH₃)₂NH

432
65

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(CH₃)₂NH

433
65

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(CH₃)₂NH

434
65

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(CH₃)₂NH

Example numbers 435-499 were intentionally excluded.

Preparative Example 500

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Step A

If one were to treat the compound from Preparative Example 300 Step A with conc. HCl in acetic acid according to the procedure described in Preparative Example 49 Step J, one would obtain the title compound.

Step B

If one were to treat the title compound from Step A above according to the procedure described in Preparative Example 70 Step A, one would obtain the title compound.

Step C

If one were to treat the title compound from Step B above according to the procedure described in Preparative Example 70 Step A but using hydrazine instead of an amine, one would obtain the title compound.

Step D

If one were to stir the title compound from Step C above with 1 eq. ethyl isocyanate in DMA one would obtain after removing of DMA and the title compound.

Step E

If one were to treat the title compound from Step D above with a 2% aqueous NaOH at 100° C. for several hours one would obtain after neutralisation, precipitation and recrystallisation from ethanol the title compound.

Step F

If one were to treat the title compound from Step E above according to the procedure described in Preparative Example 70 Step B, one would obtain the title compound.

Preparative Example 501-535

If one were to follow a similar procedure as that described in Preparative Example 500, except using the appropriate intermediate from the Preparative Examples and hydrazines and amines as indicated in the Table below, one would obtain the desired amine product.

Preparative
Preparative

Example
Example
Hydrazine
Amine
Product

501
300

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NH₃

502
300

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NH₃

503
300

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NH₃

504
61
N₂H₄
NH₃

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505
61

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NH₃

506
61

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NH₃

507
61

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NH₃

508
65
N₂H₄
NH₃

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509
65

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NH₃

510
65

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NH₃

511
65

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NH₃

512
300
N₂H₄
CH₃NH₂

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513
300

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CH₃NH₂

514
300

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CH₃NH₂

515
300

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CH₃NH₂

516
61
N₂H₄
CH₃NH₂

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517
61

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CH₃NH₂

518
61

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CH₃NH₂

519
61

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CH₃NH₂

520
65
N₂H₄
CH₃NH₂

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521
65

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CH₃NH₂

522
65

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CH₃NH₂

523
65

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CH₃NH₂

524
300
N₂H₄
(CH₃)₂NH

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525
300

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(CH₃)₂NH

526
300

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(CH₃)₂NH

527
300

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(CH₃)₂NH

528
61
N₂H₄
(CH₃)₂NH

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529
61

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(CH₃)₂NH

530
61

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(CH₃)₂NH

531
61

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(CH₃)₂NH

532
65
N₂H₄
(CH₃)₂NH

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533
65

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(CH₃)₂NH

534
65

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(CH₃)₂NH

535
65

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(CH₃)₂NH

Example numbers 536-599 were intentionally excluded.

Preparative Example 600

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Step A

If one were to treat the intermediate from Preparative Example 300 Step A with dry HCl gas in EtOH/CHCl₃at 0° C. and set aside for 10 days, one would obtain after removal of the solvents the imidate hydrochloride. If one were to treat the imidate hydrochloride with NH₃in dry EtOH and heat it to reflux for 7 h, one would obtain, after filtration and evaporation of the filtrate followed by recrystallization, the title compound.

Step B

If one were to treat the title compound from Step A above with Boc₂O according to the procedure described in Preparative Example 49 Step J but without the acid treatment, one would obtain the title compound.

Step C

If one were to treat the title compound from Step B above according to Preparative Example 61 Step C, one would obtain the title compound.

Step D

If one were to treat the title compound from Step C above according to the procedures described in Preparative Example 70, one would obtain the title compound.

Preparative Example 601-635

If one were to follow a similar procedure as that described in Preparative Example 600 except using the amines and appropriate intermediate from the Preparative Examples as indicated in the Table below, one would obtain the desired amine product.

Preparative
Preparative
Amine
Amine

Example
Example
Step A
Step B
Product

601
300
CH₃NH₂
NH₃

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602
300

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NH₃

603
300

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NH₃

604
61
NH₃
NH₃

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605
61
CH₃NH₂
NH₃

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606
61

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NH₃

607
61

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NH₃

608
65
NH₃
NH₃

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609
65
CH₃NH₂
NH₃

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610
65

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NH₃

611
65

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NH₃

612
300
NH₃
CH₃NH₂

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613
300
CH₃NH₂
CH₃NH₂

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614
300

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CH₃NH₂

615
300

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CH₃NH₂

616
61
NH₃
CH₃NH₂

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617
61
CH₃NH₂
CH₃NH₂

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618
61

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CH₃NH₂

619
61

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CH₃NH₂

620
65
NH₃
CH₃NH₂

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621
65
CH₃NH₂
CH₃NH₂

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622
65

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CH₃NH₂

623
65

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CH₃NH₂

624
300
NH₃
(CH₃)₂NH

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625
300
CH₃NH₂
(CH₃)₂NH

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626
300

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(CH₃)₂NH

627
300

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(CH₃)₂NH

628
61
NH₃
(CH₃)₂NH

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629
61
CH₃NH₂
(CH₃)₂NH

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630
61

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(CH₃)₂NH

631
61

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(CH₃)₂NH

632
65
NH₃
(CH₃)₂NH

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633
65
CH₃NH₂
(CH₃)₂NH

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634
65

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(CH₃)₂NH

635
65

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(CH₃)₂NH

Example numbers 636-679 were intentionally excluded.

Preparative Example 680-687

If one were to follow a similar procedure as that described in Preparative Example 67 and 70, except using the appropriate intermediate from the Preparative Examples and amines as indicated in the Table below, one would obtain the desired amine product.

Preparative
Preparative

Example
Example
Amine
Product

680
300
NH₃

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681
61
NH₃

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682
65
NH₃

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683
300
CH₃NH₂

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684
61
CH₃NH₂

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685
65
CH₃NH₂

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686
300
(CH₃)₂NH

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687
65
(CH₃)₂NH

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Example numbers 688-699 were intentionally excluded.

Preparative Example 700

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Step A

If one were to treat the compound from Preparative Example 300 Step A with hydroxylamine hydrochloride and base according to Preparative Example 67 Step A, one would obtain the title compound.

Step B

If one were to treat the title compound from Step A above according to Preparative Example 67 Step B, one would obtain the title compound.

Step C

If one were to treat the title compound from step B above with Lawesson's Reagent in toluene and heat the mixture to reflux for 4 h, one would obtain after column chromatography the title compound.

Step D

If one were to treat the title compound from Step C above with formic acid hydrazide (Pellizzari-Synthesis), one would obtain the title compound.

Step E

If one were to treat the title compound from Step D above according to the procedures described in Preparative Example 70, one would obtain the title compound.

Preparative Example 701-735

If one were to follow a similar procedure as that described in Preparative Example 700, except using the appropriate intermediate from the Preparative Examples, acid hydrazides and amines as indicated in the Table below, one would obtain the desired amine product.

Preparative
Preparative
Acid

Example
Example
hydrazide
Amine
Product

701
300

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NH₃

702
300

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NH₃

703
300

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NH₃

704
61

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NH₃

705
61

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NH₃

706
61

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NH₃

707
61

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NH₃

708
65

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NH₃

709
65

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NH₃

710
65

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NH₃

711
65

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NH₃

712
300

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CH₃NH₂

713
300

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CH₃NH₂

714
300

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CH₃NH₂

715
300

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CH₃NH₂

716
61

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CH₃NH

717
61

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CH₃NH₂

718
61

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CH₃NH₂

719
61

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CH₃NH₂

720
65

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CH₃NH₂

721
65

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CH₃NH₂

722
65

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CH₃NH₂

723
65

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CH₃NH₂

724
300

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(CH₃₎₂NH

725
300

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(CH₃₎₂NH

726
300

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(CH₃₎₂NH

727
300

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(CH₃₎₂NH

728
61

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(CH₃₎₂NH

729
61

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(CH₃₎₂NH

730
61

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(CH₃₎₂NH

731
61

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(CH₃₎₂NH

732
65

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(CH₃₎₂NH

733
65

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(CH₃₎₂NH

734
65

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(CH₃₎₂NH

735
65

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(CH₃₎₂NH

Example numbers 736-779 were intentionally excluded.

Preparative Example 780

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If one were to treat the starting material, which was obtained by treating the title compound from Preparative Example 300 Step A according to the procedures described in Preparative Example 500 Step A-C, according to the procedure described in Preparative Example 70 Step B, one would obtain the title compound.

Preparative Example 781-788

If one were to follow a similar procedure as that described in Preparative Example 780, except using the appropriate intermediate from the Preparative Examples and amines as indicated in the Table below, one would obtain the desired amine product.

Preparative
Preparative

Example
Example
Amine
Product

781
61
NH₃

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782
65
NH₃

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783
300
CH₃NH₂

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784
61
CH₃NH₂

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785
65
CH₃NH₂

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786
300
(CH₃)₂NH

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787
61
(CH₃)₂NH

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788
65
(CH₃)₂NH

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Example numbers 789-799 were intentionally excluded.

Preparative Example 800

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Step A

If one were to treat commercial available N methyl anthranilic acid with 2 eq. of 2-bromo-5-chloronitrobenzene, 10 eq. of potassium carbonate and a catalytic amount of copper powder in 3-methylbutan-1-ol under reflux for several hours one would obtain, after removing of the volatile compound by steam distillation, acidification of the residue with 2 M HCl, precipitation and recrystallisation of the precipitate from ethanol, the title compound.

Step B

If one were to treat the title compound from Step A above with 7 eq. of sodium dithionite in 2 M aqueous ammonia at 80° C. one would obtain, after filtration, acidification of the filtrate with glacial acetic acid to pH 4, precipitation and recrystallisation from methanol, the title compound.

Step C

If one were to reflux the title compound from Step B above in xylene under Dean Stark conditions one would obtain, after evaporation of the solvent, washing of the residue with 2 M aqueous ammonia and recrystallisation from acetone, the title compound.

Step D

If one were to treat the title compound from Step C above with the sulfamidate from Preparative Example 22 according to Preparative Example 61 Step A one would obtain the title compound.

Step E

If one were to treat the title compound from Step A above with TFA as described in Preparative Example 70 Step B, one would obtain the title compound.

Preparative Example 801-805

If one were to follow a similar procedure as that described in Preparative Example 800, except using the diazepines and sulfamidates as indicated in the Table below, one would obtain the desired amine product.

Preparative

Example
Diazepine
Sulfamidate
Product

801

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802

803

804

805

Examples 806-809 have been intentionally excluded.

Preparative Example 810

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Step A

If one were to treat commercially available 10,10-dimethyl-10H-anthracen-9-one and concentrated sulphuric acid in chloroform in a flask equipped with reflux condenser with sodium azide at room temperature, followed by heating this mixture at 50° C. and subsequently pouring it on crushed ice followed by neutralization with conc. aqueous ammonia, separation and evaporation of the organic phase, one would obtain the title compound.

Step B

If one were to treat the title compound from Step A above with the sulfamidate from Preparative Example 22 as described in Preparative Example 800, one would obtain the title compound.

Preparative Example 811-812

If one were to follow a similar procedure as described in Preparative Example 810, except using the azepines and sulfamidates as indicated in the able below, one would obtain the desired amine product.

Preparative

Example
Azepine
Sulfamidate
Product

811

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812

Examples 813-829 have been intentionally excluded.

Preparative Example 830

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Step AA

If one were to add a solution of commercially available 2-amino-2-methyl-1-propanol in methylene chloride to a solution of commercially available 2-thiophenecarbonyl chloride in methylene chloride dropwise while maintaining the temperature below 20° C., subsequently stir the mixture at room temperature for 2 h and wash with water, dry the organic layer (MgSO₄) and evaporate, suspend the residue in toluene and add thionyl chloride dropwise with stirring while maintaining the temperature below 30° C., subsequently continue the stirring overnight, evaporate the toluene, dissolve the residue in water, basify with 1 N aqueous NaOH and extract with ether, then, after drying (MgSO₄) and evaporation of the solvent, followed by distillation, one would obtain the title compound.

Step BB

If one were to add commercial -nBuLi in hexane to the title compound from Step AA above in ether at −78° C., stir the mixture under argon for 0.25 h, add DMF, allow the mixture to slowly warm to room temperature and leave the mixture at this temperature for 18 h, subsequently add water and ether, separate the organic solution, wash with water, brine and dry the solution (MgSO₄), then, after evaporation of the solvent, followed by chromatographic purification, one would obtain the title compound.

Step CC

If one were to boil the title compound from Step BB above under reflux with 4M aqueous hydrochloric acid under argon atmosphere for 14 h, saturate the cooled solution with NaCl, extract repeatedly with ethyl acetate, dry the combined organic extracts (MgSO₄), then, after evaporation of the solvent, followed by recrystallization from ethyl acetate/hexane, one would obtain the title compound.

Step DD

If one were to treat the title compound from Step CC above in methanol dropwise with an ethereal solution of diazomethane at −15° C., followed by careful removal of all volatiles, then one would obtain the title compound.

Step A

If one were to add commercially available methyl 4-methylthiophene-2-carboxylate to N-bromosuccinimide, benzoyl peroxide and tetrachloromethane and would heat the mixture under reflux for 4 h followed by filtration and evaporation of the solvent, one would obtain the title compound.

Step B

If one were to treat the title compound from Step A above with triphenylphosphine according to Preparative Example 51 Step C, one would obtain the title compound.

Step C

If one were to treat the title compound from Step B above with the thiophene aldehyde from Step DD as described in Preparative Example 54 Step A, one would obtain the title compound.

Step D

If one were to treat a suspension of the title compound from Step C above, hydroiodic acid and red phosphorus at 140° C. for 18 h, followed by cooling and pouring the reaction mixture into an ice/water mixture, subsequent filtration, washing of the precipitate with water, dissolving the precipitate in refluxing conc. ammonia and subsequent filtration, acidification of the filtrate with conc. aqueous hydrochloric acid and extraction of the aqueous phase with dichloromethane, washing of the organic phase with water and drying (MgSO₄) followed by evaporation of the solvent, one would obtain the title compound.

Step E

If one were to treat a suspension of the title compound from Step D above with polyphosphoric acid at 170° C., followed by cooling to 30° C., pouring into water, extraction with diethyl ether, washing with 1N aqueous sodium hydroxide solution and drying (MgSO₄) followed by evaporation of the solvent, one would obtain the title compound.

Step F

If one were to treat the title compound from Step E above as described in Preparative Example 59 Step G, one would obtain the title compound.

Step G

If one were to treat the title compound from Step F above as described in Preparative Example 59 Step H and Step I, one would obtain the title compound.

Step H

If one were to treat the title compound from Step G above with the compound from Preparative Example 22 as described in Preparative Example 61 Step A, one would obtain the title compound.

Step I

If one were to treat the title compound from Step H above as described in Preparative Example 61 Step B, one would obtain the title compound.

Step J

If one were to treat the title compound from Step I above as described in Preparative Example 61 Step C, one would obtain the title compound.

Preparative Example 831

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Step A

If one were to treat the title compound from Preparative Example 830 as described in Preparative Example 71 Step A, one would obtain the title compound.

Step B

If one were to treat the title compound from Step A above as described in Preparative Example 71 Step B, one would obtain the title compound.

Preparative Example 832-839

If one were to follow a similar procedure as that described in Preparative Example 830, except using the sulfamidates in Step H, and treat the product obtained according to Preparative Example 831 with the amine as indicated in the table below, one would obtain the desired title compound as HCl salts.

Preparative

Example
Sulfamidate
Amine
Title compound

831
21
NH₃

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832
24
NH₃

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833
22
NH₃

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834
21
CH₃NH₂

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835
24
CH₃NH₂

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836
22
CH₃NH₂

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837
24
(CH₃)₂NH

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838
22
(CH₃)₂NH

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Examples 839 to 849 have been intentionally excluded.

Preparative Example 850

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Step AA

If one were to treat commercially available thiophene-3-carbaldehyde with bromine and aluminum trichloride in dichloromethane and heat the reaction mixture for 2 h, subsequently pouring it into water, followed by extraction with ether, washing of the organic phase successively with aqueous 1N NaOH solution and water until neutral, then, after drying (MgSO₄) and evaporation of the solvent, followed by distillation, one would obtain the title compound.

Step BB

If one were to treat a solution of the title compound from Step AA above in tetrahydrofuran with NaBH₄for 1 h and quench the reaction by the addition of saturated aqueous ammonium chloride solution followed by dilution with ethyl acetate, separation of the organic layer, washing with H₂O and brine, then, after drying (MgSO₄) and evaporation of the solvent, one would obtain the title compound.

Step CC

If one were to treat a solution of the title compound from Step BB above in chloroform with thionyl chloride at room temperature for 4 h, subsequently pouring it into water, followed by extraction with chloroform, washing of the organic phase with water, then, after drying (MgSO₄) and evaporation of the solvent, one would obtain the title compound.

Step A

If one were to treat commercially available 2-bromo-3-methylthiophene in acetic acid with N-chlorosuccinimide and stir the reaction mixture for about 2 h, then refluxing it for 1 h, subsequently pouring it into water, followed by extraction with ether, washing of the organic phase successively with aqueous 1N NaOH solution and water until neutral, then, after drying (MgSO₄) and evaporation of the solvent, followed by distillation, one would obtain the title compound.

Step B

If one were to treat the title compound from Step A above as described in Preparative Example 59 Step A, one would obtain the title compound.

Step C

If one were to treat the title compound from Step B above with the title compound from Step CC above, as described in Preparative Example 59 Step B, one would obtain the title compound.

Step D

If one were to treat the title compound from Step C above as described in Preparative Example 59 Step C, one would obtain the title compound.

Step E

If one were to treat the title compound from Step D above as described in Preparative Example 59 Step D, one would obtain the title compound.

Step F

If one were to treat the title compound from Step E above as described in Preparative Example 59 Step E and Step F, one would obtain the title compound.

Step G

If one were to treat the title compound from Step F above as described in Preparative Example 59 Step G, one would obtain the title compound.

Step H

If one were to treat the title compound from Step G above as described in Preparative Example 59 Step H and Step I, one would obtain the title compound.

Step I

If one were to treat the title compound from Step H above as described in Preparative Example 61 Step A, one would obtain the title compound.

Step J

If one were to treat the title compound from Step I above as described in Preparative Example 61 Step B, one would obtain the title compound.

Step K

If one were to treat the title compound from Step J above as described in Preparative Example 61 Step C, one would obtain the title compound.

Preparative Example 851

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Step A

If one were to treat the title compound from Preparative Example 851 as described in Preparative Example 71 Step A one would obtain the title compound.

Step B

If one were to treat the title compound from Step A above as described in Preparative Example 71 Step B, one would obtain the title compound.

Preparative Example 852-859

If one were to follow a similar procedure as that described in Preparative Example 850, except using the sulfamidates in Step I, and treat the product obtained according to Preparative Example 851 with the amine as indicated in the table below, one would obtain the desired title compound as HCl salt.

Preparative

Example
Sulfamidate
Amine
Title compound

852
21
NH₃

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853
24
NH₃

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854
22
NH₃

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855
21
CH₃NH₂

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856
24
CH₃NH₂

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857
22
CH₃NH₂

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858
24
(CH₃)₂NH

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859
22
(CH₃)₂NH

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Examples 860-899 have been intentionally excluded.

Preparative Example 900

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Step AA

If one were to add a solution of commercially available 2-(3bromo-2-thienyl)-1,3-dioxolane in dry diethylether with stirring to 1.05 N butyl lithium in diethylether at −70° C., followed by addition of the mixture to solid CO₂covered with diethylether. Hydrolysis, followed by extraction with diluted aqueous sodium hydroxide, acidification, then extraction with diethylether afford the title compound.

Step BB

If one were to add H₂SO₄and methanol to a solution of the title compound from step AA above in dichloroethane, one would obtain the title compound.

Step A

If one were to treat a solution of commercially available 5-methylthiophene-2-carboxylic acid in benzene and methanol at 0° C. dropwise with 2.0 M trimethylsilyldiazo-methane in hexanes, one would obtain the methyl ester. If one were to treat a solution of that ester intermediate in CCl₄with NBS and 2,2′-azobisisobutyronitrile (AIBN) and heat the solution to reflux for 2 h, followed by cooling down to room temperature, filtration and concentration in vacuo one would obtain the title compound.

Step B

If one were to treat the title compound from Step A above with triphenylphosphine according to Preparative Example 49 Step C, one would obtain the title compound.

Step C

If one were to treat the title compound from Step B above with the title compound from Step BB above as described in Preparative Example 54 Step A, one would obtain the title compound.

Step D

If one were to heat a mixture of the title compound from Step C, red phosphorous and hydroiodic acid in acetic acid at 110° C. for 1 h, one would obtain a solution after filtration of the hot mixture. After cooling to room temperature and pouring in ice water one would obtain the title compound by suction.

Step E

If one were to heat a mixture of the title compound from Step D above and polyphosphoric acid at 115° C. for 1.5 h one would obtain a mixture, which was poured on ice. After extraction with Ether washing the organic phases with water, drying (MgSO₄) and removing of the solvent one would obtain the title compound.

Step F

If one were to treat the title compound from Step E above as described in Preparative Example 59 Step G, one would obtain the title compound.

Step G

If one were to treat the title compound from Step F above as described in Preparative Example 59 Step H and Step I, one would obtain the title compound.

Step H

If one were to treat the title compound from Step G above with the compound from Preparative Example 22 as described in Preparative Example 61 Step A, one would obtain the title compound.

Step I

If one were to treat the title compound from Step H above as described in Preparative Example 61 Step B, one would obtain the title compound.

Step J

If one were to treat the title compound from Step I above as described in Preparative Example 61 Step C, one would obtain the title compound.

Preparative Example 901

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Step A

If one were to treat the title compound from Preparative Example 900 as described in Preparative Example 71 Step A, one would obtain the title compound.

Step B

If one were to treat the title compound from Step A above as described in Preparative Example 71 Step B, one would obtain the title compound.

Preparative Example 902-909

If one were to follow a similar procedure as that described in Preparative Example 900, except using the sulfamidates in Step H, and treat the product obtained according to Preparative Example 901 with the amines as indicated in the table below, one would obtain the desired title compound as HCl salt.

Preparative

Example
Sulfamidate
Amine
Title compound

902
21
NH₃

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903
24
NH₃

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904
22
NH₃

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905
21
CH₃NH₂

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906
24
CH₃NH₂

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907
22
CH₃NH₂

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908
24
(CH₃)₂NH

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909
22
(CH₃)₂NH

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Examples 910-919 have been intentionally excluded.

Preparative Example 920

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Step A

If one were to add a solution of bromine in CHCl₃slowly to an ice-cooled solution of commercially available 2-chloro-5-methylthiophene in CHCl₃one would obtain a reaction mixture which was stirred for 2 h at room temperature, and subsequently poured into H₂O. If one were to extract than the mixture with dichloromethane combine the organic extracts dry filter and evaporate the solvent, one would obtain a yellow/brown oil.

Step B

If one were to treat the title compound from Step A above as described in Preparative Example 59 Step A, one would obtain the title compound.

Step C

If one were to treat the title compound from Step B above with commercially available 2-chloro-5-chloromethyl-thiophene as described in Preparative Example 59 Step B, one would obtain the title compound.

Step D

If one were to treat the title compound from Step C above as described in Preparative Example 59 Step C, one would obtain the title compound.

Step E

If one were to treat the title compound from Step D above as described in Preparative Example 59 Step D, one would obtain the title compound.

Step F

If one were to treat the title compound from Step E above as described in Preparative Example 59 Step E and Step F, one would obtain the title compound.

Step G

If one were to treat the title compound from Step F above as described in Preparative Example 59 Step G, one would obtain the title compound.

Step G

If one were to treat the title compound from Step G above as described in Preparative Example 59 Step H and Step I, one would obtain the title compound.

Step I

If one were to treat the title compound from Step H above as described in Preparative Example 61 Step A, one would obtain the title compound.

Step J

If one were to treat the title compound from Step I above as described in Preparative Example 61 Step B, one would obtain the title compound.

Step K

If one were to treat the title compound from Step J above as described in Preparative Example 61 Step C, one would obtain the title compound.

Preparative Example 921

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Step A

If one were to treat the title compound from Preparative Example 920 as described in Preparative Example 71 Step A one would obtain the title compound.

Step B

If one were to treat the title compound from Step A above as described in Preparative Example 71 Step B, one would obtain the title compound.

Preparative Example 922-929

If one were to follow a similar procedure as that described in Preparative Example 920, except using the sulfamidates in Step I, and treat the product obtained according to Preparative Example 921 with the amine as indicated in the table below, one would obtain the desired title compound as HCl salt.

Preparative

Example
Sulfamidate
Amine
Title compound

922
21
NH₃

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923
24
NH₃

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924
22
NH₃

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925
21
CH₃NH₂

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926
24
CH₃NH₂

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927
22
CH₃NH₂

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928
24
(CH₃)₂NH

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929
22
(CH₃)₂NH

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Examples 930-999 have been intentionally excluded.

Preparative Example 1000-1209

If one were to follow similar procedure as described in Preparative Examples 92 and 93, except using the amides and amines as indicated in the Table below, the following title compound would be obtained.

Prep

Example
Amide
Amines
Title compound

1000

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1001

1002

1003

1004

1005

1006

1007

1008

1009

1010

1011

1012

1013

1014

1015

1016

1017

1018

1019

1020

1021

1022

1023

1024

1025

1026

1027

1028

1029

1030

1031

1032

1033

1034

1035

1036

1037

1038

1039

1040

1041

1042

1043

1044

1045

1046

1047

1048

1049

1050

1051

1052

1053

1054

1055

1056

1057

1058

1059

1060

1061

1062

1063

1064

1065

1066

1067

1068

1069

1070

1071

1072

1073

1074

1075

1076

1077

1078

1079

1080

1081

1082

1083

1084

1085

1086

1087

1088

1089

1090

1091

1092

1093

1094

1095

1096

1097

1098

1099

1100

1101

1102

1103

1104

1105

1106

1107

1108

1109

1110

1111

1112

1113

1114

1115

1116

1117

1118

1119

1120

1121

1122

1123

1124

1125

1126

1127

1128

1129

1130

1131

1132

1133

1134

1135

1136

1137

1138

1139

1140

1141

1142

1143

1144

1145

1146

1147

1148

1149

1150

1151

1152

1153

1154

1155

1156

1157

1158

1159

1160

1161

1162

1163

1164

1165

1166

1167

1168

1169

1170

1171

1172

1173

1174

1175

1176

1177

1178

1179

1180

1181

1182

1183

1184

1185

1186

1187

1188

1189

1190

1191

1192

1193

1194

1195

1196

1197

1198

1199

1200

1201

1202

1203

1204

1205

1206

1207

1208

1209

Examples 1210-1299 have been intentionally excluded.

Preparative Example 1300

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Step A

If one were to treat commercially available anthraquinone with 1.5-2 equivalents of bromine and some iodine at 160° C., and then treat the mixture with aqueous sodium hydroxide at reflux, one would obtain the title compound, after crystallisation from glacial acetic acid.

Step B

If one were to treat the title compound from Step A above with hot concentrated H₂SO₄, treat the obtained solution with Al powder at rt and stir the mixture at rt for 3 h, one would obtain the title compound, after aqueous workup and chromatography on silica gel.

Step C

If one were to treat the title compound from Step B above as described in Preparative Example 59 Step D, Step E and Step F, one would obtain the title compound.

Step D

If one were to treat the title compound from Step C above as described in Preparative Example 59 Step G, one would obtain the title compound.

Step E

If one were to treat the title compound from Step D above as described in Preparative Example 59 Step H, one would obtain the title compound.

Step F

If one were to treat the title compound from Step E above as described in Preparative Example 59 Step I, one would obtain the title compound.

Step G

If one were to treat the title compound from Step F above as described in Preparative Example 61 Step A, one would obtain the title compound.

Step H

If one were to treat the title compound from Step G above as described in Preparative Example 61 Step B, one would obtain the title compound.

Step I

If one were to treat the title compound from Step H above as described in Preparative Example 61 Step C, one would obtain the title compound.

Preparative Example 1301

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Step A

If one were to treat the title compound from Preparative Example 1300 as described in Preparative Example 71 Step A one would obtain the title compound.

Step B

If one were to treat the title compound from Step A above as described in Preparative Example 71 Step B, one would obtain the title compound.

Preparative Example 1302-1309

If one were to follow a similar procedure as that described in Preparative Example 1300, except using the sulfamidates in Step G, and treat the product obtained according to Preparative Example 1301 with the amine as indicated in the table below, one would obtain the desired title compound as HCl salt.

Preparative

Example
Sulfamidate
Amine
Title compound

1302
21
NH₃

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1303
24
NH₃

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1304
22
NH₃

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1305
21
CH₃NH₂

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1306
24
CH₃NH₂

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1307
22
CH₃NH₂

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1308
24
(CH₃)₂NH

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1309
22
(CH₃)₂NH

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Examples 1310-1349 have been intentionally excluded.

Preparative Example 1350

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Step A

If one were to treat a solution of commercially available 4-chloroanthranilic acid in water and concentrated hydrochloric acid at 0° C. with a solution of sodium nitrate in water over 45 min and stir the resulting mixture at 0° C. for 1 h, one would obtain the diazonium salt solution after filtration. If one were to treat a solution of commercially available hydroxylamine hydrochloride in water at 10° C. with an aqueous solution of sodium hydroxide and carefully pour the mixture into an aqueous solution of hydrated copper(II) sulfate and concentrated ammonia solution, one would obtain a blue solution after filtration. If one were to carefully add the diazonium salt solution from above to the blue solution over a period of 1 h and then heat the mixture at reflux, followed by the addition of concentrated hydrochloric acid, one would obtain a precipitate after 3 h. If one were to collect the precipitate by filtration, wash it with water and dissolved it in a solution of sodium bicarbonate, one would obtain a clear solution after treatment with charcoal and filtration. If one were to add an excess of 6 M aqueous hydrochloric acid and collect the precipitate, one would obtain the title compound after crystallisation from EtOH.

Step B

If one were to treat the title compound of Step A above at 400° C. for twenty-five minutes and then sublime the mixture at 250° C. under a pressure of 2 mm, one would obtain the title compound after crystallization from benzene.

Step C

If one were to treat the title compound from Step B above as described in Preparative Example 59 Step D, Step E and Step F, one would obtain the title compound.

Step D

If one were to treat the title compound from Step C above as described in Preparative Example 59 Step G, one would obtain the title compound.

Step E

If one were to treat the title compound from Step D above as described in Preparative Example 59 Step H, one would obtain the title compound.

Step F

If one were to treat the title compound from Step E above as described in Preparative Example 59 Step I, one would obtain the title compound.

Step G

If one were to treat the title compound from Step F above as described in Preparative Example 61 Step A, one would obtain the title compound.

Step H

If one were to treat the title compound from Step G above as described in Preparative Example 61 Step B, one would obtain the title compound.

Step I

If one were to treat the title compound from Step H above as described in Preparative Example 61 Step C, one would obtain the title compound.

Preparative Example 1351

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Step A

If one were to treat the title compound from Preparative Example 1350 as described in Preparative Example 71 Step A one would obtain the title compound.

Step B

If one were to treat the title compound from Step A above as described in Preparative Example 71 Step B, one would obtain the title compound.

Preparative Example 1352-1359

If one were to follow a similar procedure as that described in Preparative Example 1350, except using the sulfamidates in Step G, and treat the product obtained according to Preparative Example 1351 with the amine as indicated in the table below, one would obtain the desired title compound as HCl salt.

Preparative

Example
Sulfamidate
Amine
Title compound

1352
21
NH₃

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1353
24
NH₃

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1354
22
NH₃

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1355
21
CH₃NH₂

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1356
24
CH₃NH₂

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1357
22
CH₃NH₂

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1358
24
(CH₃)₂NH

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1359
22
(CH₃)₂NH

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Examples 1360-1399 have been intentionally excluded.

Preparative Example 1400

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Step A

If one were to treat commercially available 4-bromo benzaldehyde dissolved in ether at 0° C. over a period of two hours portion-wise with KCN and concentrated HCl and maintain the temperature of the reaction below 10° C., followed by stirring for 1 h after complete addition, while permitting the temperature to rise to 15° C., subsequently the resultant two-phase system is filtered off and washed with ether, separating the combined organic solutions one would obtain the intermediate after washing with saturated aqueous sodium bisulfide, drying over MgSO₄, and concentrating in vacuo. If one were to dilute the residue with benzene and slowly add this mixture over a period of one hour to concentrated H₂SO₄, which would maintained under stirring in an ice bath at a temperature below 15° C. until completion of the addition, followed by stirring for an additional hour, allowing the mixture to warm to room temperature one would obtain after pouring the reaction mixture onto ice and the mixture is being extracted with benzene, the title compound.

Step B

If one were to treat the title compound from Step A above as described in Preparative Example 61 Step A, one would obtain the title compound.

Step C

If one were to treat the title compound from Step B above as described in Preparative Example 61 Step B, one would obtain the title compound.

Step D

If one were to treat the title compound from Step C above as described in Preparative Example 59 Step D, Step E and Step F, one would obtain the title compound.

Step E

If one were to treat the title compound from Step D above as described in Preparative Example 61 Step C, one would obtain the title compound.

Preparative Example 1401

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Step A

If one were to treat the title compound from Preparative Example 1400 as described in Preparative Example 71 Step A one would obtain the title compound.

Step B

If one were to treat the title compound from Step A above as described in Preparative Example 71 Step B, one would obtain the title compound.

Preparative Example 1402-1409

If one were to follow a similar procedure as that described in Preparative Example 1400, except using the sulfamidates in Step B, and treat the product obtained according to Preparative Example 1401 with the amine as indicated in the table below, one would obtain the desired title compound as HCl salt.

Preparative

Example
Sulfamidate
Amine
Title compound

1402
21
NH₃

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1403
24
NH₃

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1404
22
NH₃

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1405
21
CH₃NH₂

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1406
24
CH₃NH₂

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1407
22
CH₃NH₂

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1408
24
(CH₃)₂NH

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1409
22
(CH₃)₂NH

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Examples 1410-1449 have been intentionally excluded.

Preparative Example 1450

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Step A

If one were to add commercially available diethylmethylmalonate to a solution of sodium ethoxide in EtOH, and then add a solution of α,α′-dibromo-m-xylene in benzene to the above solution and boil the mixture at reflux for 1 h, one would obtain the title compound after distillation and crystallisation.

Step B

If one were to treat the title compound from Step A above with aqueous-ethanolic potassium hydroxide, one would obtain the crude tetracarboxylic acid. If one were to decarboxylate the crude tetracarboxylic acid at 210° C., one would obtain the title compound.

Step C

If one were to convert the title compound from Step B above to its bis-acid chloride with thionyl chloride in benzene and treat the bis-acid chloride with a solution of diazomethane in ether, one would obtain the diazoketone intermediate after 12 h and evaporation of the solvents. If one were to treat the diazoketone with benzyl alcohol-γ-collidine (1:1) in an oil-bath maintained at 180° C. for 10 Min, one would obtain the crude title compound. If one were to treat the crude title compound with MeOH and HCl, one would obtain the dimethylester. If one were to treat the dimethylester with KOH in EtOH, one would obtain the title compound.

Step D

If one were to treat the title compound from Step C above with phosphorus pentachloride in benzene for 1 h and warm the mixture on a steam-bath for 5 min, one would obtain the crude bis-acid chloride. If one were to dissolve the bis-acid chloride in nitrobenzene, add a solution of aluminum chloride in nitrobenzene at 0° C. and then allow the mixture to stand at rt for 6 h, one would obtain the title compound, after removal of the nitrobenzene by steam distillation and crystallisation of the residue with EtOH.

Step E

If one were to treat the title compound from Step D above with hydrazine hydrate and potassium hydroxide in diethylene glycol for 4 h at 180° C., followed by purification by chromatography on alumina one would obtain the title compound.

Step F

If one were to treat the title compound from Step E with 10 eq. of aluminum chloride by adding the compound to the reagent in tetrachloroethane at low temperature, add dropwise 2.0 eq. of acetic anhydride to the mixture, pour onto ice and hydrochloric acid and extract with an appropriate solvent, wash with water, evaporate, recrystallize from methanol, one would obtain the title compound.

Step G

If one were to treat the title compound from Step F above with selenium dioxide in water and dioxane and refluxed for 4 h, followed by removal of precipitated selenium one would obtain after recrystallization the title compound.

Step H

If one were to treat the title compound from Step G above with hydrogen peroxide and drop wise with 10% NaOH in ethanol at 80° C., followed by dilution with water, treatment with norite, filtration and acidifying with HCl, one would obtain after recrystallization the title compound.

Step I

If one were to treat the title compound from Step H above as described in Preparative Example 70 Step A, one would obtain the title compound

Step J

If one were to treat the title compound from Step I above as described in Preparative Example 93 Step C, one would obtain the title compound.

Step K

If one were to treat the title compound from Step J above as described in Preparative Example 13 Step B, one would obtain the title compound.

Step L

If one were to treat the title compound from Step K above with diisobutylaluminum hydride in CH₂Cl₂at −78° C., add 10% aq AcOH, extract with ether:hexane, wash with H₂O, sat. aq NaHCO₃, and brine, dry over Na₂SO₄, evaporate, purify the crude product through chromatography on silica gel, one would obtain the title compound.

Step M

If one were to treat the title compound from Step L above with 1.2 eq. commercially available methylmagnesium bromide in Et₂O at room temperature, heat the mixture to reflux, add ice and half concentrated hydrochlorid acid, extract with Et₂O, wash the organic layer with H₂O, sat. aq NaHCO₃, and brine, dry over Na₂SO₄, evaporate, purify the crude product through chromatography on silica gel, one would obtain the title compound.

Step N

If one were to treat the title compound from Step M above with methylsulfonyl chloride and triethylamine in CH₂Cl₂at 0° C., evaporate, add water and ethyl acetate to the residue, extract with ethyl acetate, wash the organic layer with H₂O, sat. aq NaHCO₃, and brine, dry over Na₂SO₄, evaporate and then the obtained intermediate with NaN₃in DMA as described in Preparative Example 17 Step C, one would obtain the title compound.

Step O

If one were to treat the title compound from Step N above as described in Preparative Example 17 Step D, one would obtain the title compound.

Preparative Example 1451

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Step A

If one were to treat the title compound from Preparative Example 1450 Step E with 10 eq. of aluminum chloride by adding the compound to the reagent in tetrachloroethane at low temperature, add dropwise 2.0 eq. of acetic anhydride to the mixture, pour onto ice and hydrochloric acid and extract with an appropriate solvent, wash with water, evaporate, recrystallize from methanol, one would obtain the title compound.

Step B

Step C

Step D

If one were to treat the title compound from Step H above as described in Preparative Example 70 Step A, one would obtain the title compound

Step E

If one were to treat the title compound from Step I above as described in Preparative Example 93 Step C, one would obtain the title compound.

Step F

If one were to treat the title compound from Step J above as described in Preparative Example 13 Step B, one would obtain the title compound.

Step G

Step H

Step I

Step J

If one were to treat the title compound from Step N above as described in Preparative Example 17 Step D, one would obtain the title compound.

Preparative Example 1452

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Step A

If one were to treat commercially available 1,2,3,4,5,6,7,8-octahydro-anthracene with 10 eq. of aluminum chloride by adding the compound to the reagent in tetrachloroethane at low temperature, add dropwise 2.0 eq. of acetic anhydride to the mixture, pour onto ice and hydrochloric acid and extract with an appropriate solvent, wash with water, evaporate, recrystallize from methanol, one would obtain the title compound.

Step B

If one were to treat the title compound from Step A above with selenium dioxide in water and dioxane and refluxed for 4 h, followed by removal of precipitated selenium one would obtain after recrystallization the title compound.

Step C

If one were to treat the title compound from Step B above with hydrogen peroxide and drop wise with 10% NaOH in ethanol at 80° C., followed by dilution with water, treatment with norite, filtration and acidifying with HCl, one would obtain after recrystallization the title compound.

Step D

If one were to treat the title compound from Step C above as described in Preparative Example 70 Step A, one would obtain the title compound

Step E

If one were to treat the title compound from Step D above as described in Preparative Example 93 Step C, one would obtain the title compound.

Step F

If one were to treat the title compound from Step E above as described in Preparative Example 13 Step B, one would obtain the title compound.

Step G

If one were to treat the title compound from Step F above with diisobutylaluminum hydride in CH₂Cl₂at −78° C., add 10% aq AcOH, extract with ether:hexane, wash with H₂O, sat. aq NaHCO₃, and brine, dry over Na₂SO₄, evaporate, purify the crude product through chromatography on silica gel, one would obtain the title compound.

Step H

If one were to treat the title compound from Step G above with 1.2 eq. commercially available methylmagnesium bromide in Et₂O at room temperature, heat the mixture to reflux, add ice and half concentrated hydrochlorid acid, extract with Et₂O, wash the organic layer with H₂O, sat. aq NaHCO₃, and brine, dry over Na₂SO₄, evaporate, purify the crude product through chromatography on silica gel, one would obtain the title compound.

Step I

If one were to treat the title compound from Step H above with methylsulfonyl chloride and triethylamine in CH₂Cl₂at 0° C., evaporate, add water and ethyl acetate to the residue, extract with ethyl acetate, wash the organic layer with H₂O, sat. aq NaHCO₃, and brine, dry over Na₂SO₄, evaporate and then the obtained intermediate with NaN₃in DMA as described in Preparative Example 17 Step C, one would obtain the title compound.

Step J

If one were to treat the title compound from Step I above as described in Preparative Example 17 Step D, one would obtain the title compound.

Preparative Example 1453

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Step A

If one were to treat commercially available 2-methyl-1H-indene and with 0.01 eq of platinum oxide in tetrahydrofuran and hydrogenate at 20-30 psi for 10-15 h at room temperature, filter the mixture through a pad of Celite, purify the crude product through chromatography on silica gel, one would obtain the title compound.

Step B

If one were to treat the title compound from Step A above with 1.0 eq. of 3-chloro-2-methyl-propionyl chloride and 3.0 eq. of aluminum chloride in nitromethane at room temperature, decompose the mixture with ice and hydrochloric acid, dilute with water, filter, dissolve the solid in benzene and wash with dilute hydrochloric acid, evaporate, purify with a Soxhlet extractor, one would obtain the title compound.

Step C

If one were to treat the title compound from Step B above with concentrated sulphuric acid by adding the compound in small portions to the acid at low temperature, heat on the steam-bath, pour onto ice and extract with benzene and water, evaporate, distillate at reduced pressure, recrystallize from petroleum ether, sublimate, one would obtain the title compound.

Step D

If one were to treat the title compound from Step C above with amalgamated zinc, water, acetic acid, toluene, hydrochloric acid, separate the organic layer, evaporate, distillate at reduced pressure, recrystallize, one would obtain the title compound.

Step E

If one were to treat the title compound from Step D with 10 eq. of aluminum chloride by adding the compound to the reagent in tetrachloroethane at low temperature, add dropwise 2.0 eq. of acetic anhydride to the mixture, pour onto ice and hydrochloric acid and extract with an appropriate solvent, wash with water, evaporate, recrystallize from methanol, one would obtain the title compound.

Step F

If one were to treat the title compound from Step E with an aqueous solution of potassium hypochlorite prepared from bleaching powder in methanol, separate the precipitate formed by filtration, acidify the filtrate, separate the precipitate formed by filtration, recrystallize from methanol, one would obtain the title compound.

Step G

If one were to treat the title compound from Step F above as described in Preparative Example 70 Step A, one would obtain the title compound

Step H

If one were to treat the title compound from Step G above as described in Preparative Example 93 Step C, one would obtain the title compound.

Step I

If one were to treat the title compound from Step H above with diisobutylaluminum hydride in CH₂Cl₂at −78° C., add 10% aq AcOH, extract with ether:hexane, wash with H₂O, sat. aq NaHCO₃, and brine, dry over Na₂SO₄, evaporate, purify the crude product through chromatography on silica gel, one would obtain the title compound.

Step J

If one were to treat the title compound from Step H above as described in Preparative Example 13 Step B, one would obtain the title compound.

Step K

If one were to treat the title compound from Step I above with 1.2 eq. commercially available methylmagnesium bromide in Et₂O at room temperature, heat the mixture to reflux, add ice and half concentrated hydrochlorid acid, extract with Et₂O, wash the organic layer with H₂O, sat. aq NaHCO₃, and brine, dry over Na₂SO₄, evaporate, purify the crude product through chromatography on silica gel, one would obtain the title compound.

Step L

If one were to treat the title compound from Step K above with methylsulfonyl chloride and triethylamine in CH₂Cl₂at 0° C., evaporate, add water and ethyl acetate to the residue, extract with ethyl acetate, wash the organic layer with H₂O, sat. aq NaHCO₃, and brine, dry over Na₂SO₄, evaporate and then the obtained intermediate with NaN₃in DMA as described in Preparative Example 17 Step C, one would obtain the title compound.

Step M

If one were to treat the title compound from Step L above as described in Preparative Example 17 Step D, one would obtain the title compound.

Preparative Example 1454

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Step A

If one were to treat commercially available indane with 1.0 eq. of 3-chloro-propionyl chloride and 3.0 eq. of aluminum chloride in nitromethane at room temperature, decompose the mixture with ice and hydrochloric acid, dilute with water, filter, dissolve the solid in benzene and wash with dilute hydrochloric acid, evaporate, purify with a Soxhlet extractor, one would obtain the title compound.

Step B

If one were to treat the title compound from Step A above with concentrated sulphuric acid by adding the compound in small portions to the acid at low temperature, heat on the steam-bath, pour onto ice and extract with benzene and water, evaporate, distillate at reduced pressure, recrystallize from petroleum ether, sublimate, one would obtain the title compound.

Step C

If one were to treat the title compound from Step B above with amalgamated zinc, water, acetic acid, toluene, hydrochloric acid, separate the organic layer, evaporate, distillate at reduced pressure, recrystallize, one would obtain the title compound.

Step D

Step E

If one were to treat the title compound from Step D with an aqueous solution of potassium hypochlorite prepared from bleaching powder in methanol, separate the precipitate formed by filtration, acidify the filtrate, separate the precipitate formed by filtration, recrystallize from methanol, one would obtain the title compound.

Step F

If one were to treat the title compound from Step E above as described in Preparative Example 70 Step A, one would obtain the title compound

Step G

If one were to treat the title compound from Step F above as described in Preparative Example 93 Step C, one would obtain the title compound.

Step H

If one were to treat the title compound from Step G above with diisobutylaluminum hydride in CH₂Cl₂at −78° C., add 10% aq AcOH, extract with ether:hexane, wash with H₂O, sat. aq NaHCO₃, and brine, dry over Na₂SO₄, evaporate, purify the crude product through chromatography on silica gel, one would obtain the title compound.

Step I

If one were to treat the title compound from Step G above as described in Preparative Example 13 Step B, one would obtain the title compound.

Step J

If one were to treat the title compound from Step H above with 1.2 eq. commercially available methylmagnesium bromide in Et₂O at room temperature, heat the mixture to reflux, add ice and half concentrated hydrochloride acid, extract with Et₂O, wash the organic layer with H₂O, sat. aq NaHCO₃, and brine, dry over Na₂SO₄, evaporate, purify the crude product through chromatography on silica gel, one would obtain the title compound.

Step K

If one were to treat the title compound from Step J above with methylsulfonyl chloride and triethylamine in CH₂Cl₂at 0° C., evaporate, add water and ethyl acetate to the residue, extract with ethyl acetate, wash the organic layer with H₂O, sat. aq NaHCO₃, and brine, dry over Na₂SO₄, evaporate and then the obtained intermediate with NaN₃in DMA as described in Preparative Example 17 Step C, one would obtain the title compound.

Step L

If one were to treat the title compound from Step K above as described in Preparative Example 17 Step D, one would obtain the title compound.

Examples 1455-1499 have been intentionally excluded.

Preparative Example 1500

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Step A

If one were to treat commercially available 1,4-benzoquinone with buta-1,3-diene in benzene at 100° C. in an autoclave, separate the precipitate, wash it with methanol, one would obtain the title compound.

Step B

If one were to treat the title compound from Step A above with LiAlH₄in THF at rt for 15 min and then heat to reflux for 50 min, one would obtain after removal of the solvent, followed by aqueous workup and column chromatography the title compound.

Step C

If one were to treat the title compound from Step B above with methanesulfonyl chloride in pyridine at 0° C. for 24 h, one would obtain after pouring into an ice/water mixture followed by extraction with benzene and subsequently washing the organic phase with water, cold 5% sulphuric acid, water, 2% sodium bicarbonate solution, brine and finally evaporation to dryness, the methanesulfonate intermediate. If one were to treat the methanesulfonate intermediate with LiAlH₄in THF and heat to reflux for 24 h, one would obtain after removal of the solvent, followed by aqueous workup the alcohol intermediate.

If one were to treat the alcohol intermediate with CrO₃in pyridine at 40° C. for 9 h, one would obtain after pouring into water, followed by extraction with CCl₄and subsequently drying the organic phase and evaporating to dryness, followed by column chromatography and crystallization the alkene intermediate. If one were to treat the alkene intermediate with Pd/C in ethanol at 10 bar H₂and room temperature, separate the crude product from the reaction mixture and then the obtained intermediate with CrO₃in aqueous acetic acid and water, neutralize the mixture, extract with Et₂O, recrystallize from THF/CH₂Cl₂, one would obtain the title compound.

Step D

If one were to treat the title compound from Step C above as described in Preparative Example 59 Step G, one would obtain the title compound.

Step E

If one were to treat the title compound from Step D above as described in Preparative Example 59 Step H, one would obtain the title compound.

Step F

If one were to treat the title compound from Step E with NaCN in 90% ethanol under reflux, add water, extract with CHCl₃, wash the organic layer with 5% sulphuric acid, sat. aq NaHCO₃, water, brine, dry over Na₂SO₄, distillate, one would obtain the title compound.

Step G

If one were to treat the title compound from Step F above as described in Preparative Example 61 Step A, one would obtain the title compound.

Step H

If one were to treat the title compound from Step G above as described in Preparative Example 61 Step B, one would obtain the title compound.

Step I

If one were to treat the title compound from Step H above as described in Preparative Example 70 Step B, one would obtain the title compound.

Preparative Example 1501-1502

If one were to follow a similar procedure as that described in Preparative Example 1500, except using the sulfamidates in Step G, one would obtain the desired title compound as HCl salt.

Preparative

Example
Sulfamidate
Title compound

1501
22

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1502
24

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Example 1

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The title compound from Preparative Example 5 (378 mg) and 419 mg K₂CO₃were suspended in 3 ml THF and cooled to 0° C. A solution of Preparative Example 1 (109 mg) in 1 ml THF was slowly added and the reaction mixture stirred at 0° C. for 2 h and then at rt overnight. The mixture was diluted with 30 ml EtOAc and 10 ml H₂O, the organic phase separated, dried over MgSO₄and concentrated. The residue was purified by chromatography on silica (CH₂Cl₂/MeOH, 4:1) to afford the title compound (66 mg; 39%; MH⁺=389).

Example 2-14

Following a similar procedure as that described in Example 1, except using the compounds from the Preparative Examples indicated in the Table below, the following compounds were prepared.

Compound
Compound

Preparative
Preparative

1. Yield

Example
Example
Example
Product
2. MH⁺

2
1
6

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1. 17% 2. 346

3
1
7

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1. 8% 2. 417

4
1
13

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1. 19% 2. 360

5
1
14 Step B

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1. 18% 2. 389

6
1
14

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1. 15% 2. 375

7
1
15 Step C

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1. 8% 2. 372

8
1
15

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1. 8% 2. 374

9
1
16

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1. 16% 2. 389

10
1
17 Step D

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1. 7% 2. 390

11
1
17

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1. 8% 2. 372

12
1
10

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1. 16% 2. 429

13
1
11

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1. 19% 2. 415

14
1
12

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1. 19% 2. 401

Example 15

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An aliquot of the title compound of Preparative Example 3 was taken and the solvent removed. The residue (67 mg) was dissolved in DMF (2 ml) and triethylamine (0.1 ml). The title compound from Preparative Example 90 (71 mg) was added and the mixture was stirred at 60° C. for 2 h. The solvent was removed and the residue was purified by preparative TLC (CHCl₃/MeOH (+0.1% Triethylamine), 4:1) to afford the title compound (12 mg; 13%; MH⁺=381).

Example 16

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The title compound from Preparative Example 18 Step B (100 mg) and Preparative Example 2 (68 mg) were dissolved in 2 ml EtOH and 1 ml H₂O. The pH of the solution was adjusted to pH˜6 by adding 0.1 M HCl-solution and the mixture was stirred at rt for 10 min. After the addition of NaCNBH₃(24 mg) the pH was maintained at pH˜6 by the addition of 0.1 M HCl and the mixture was stirred at rt overnight. The mixture was diluted with 30 ml EtOAc and 15 ml sat. NaHCO₃/brine (1:1), the organic phase separated, dried over MgSO₄and concentrated. The residue was purified by Prep TLC(CH₂Cl₂/MeOH, 95:5) to afford the title compound (25.9 mg; 17%; MH⁺=399).

Example 17-47

Following a similar procedure as described in Example 16 by dissolving the amine in a EtOH/H₂O— or MeOH/H₂O-mixture and adjusting the pH to pH˜6-8 by either 0.1 M HCl, 3 M NaOAc or 1 M NaOH, except using the compounds from the Preparative Examples indicated in the Table below, the following compounds were prepared. In case the reaction was not completed after 24 h as judged by HPLC, additional aldehyde from Preparative Example 2 or 89 and NaCNBH₃were added, and the reaction was continued for another 1-3 days.

For the products obtained, the following purification methods were employed:

Method A: chromatography on silica using CH₂Cl₂/MeOH-mixtures; or
Method B: product was precipitated from the reaction mixture by adding 1 M HCl to pH 1-3 and the precipitate washed with MeOH; or
Method C: reaction mixture was concentrated to half its volume and the crude product purified by reverse phase HPLC (21.5×250 mm, Phenomenex, Luna C-18 (2), 5 μM; flow=15 ml/min or 10×250 mm, Phenomenex, Luna C-18 (2), 5 μM; flow=3 ml/min) using acetonitrile (solvent B; 0.1% formic acid) and H₂O (solvent A; 0.1% formic acid) as eluents and a suitable gradient, ramping solvent B from 0% to 100% over a period of 18 min.

Compound
Compound

Preparative
Preparative
Purification

1. Yield

Example
Example
Example
Method
Product
2. MH⁺

17
2
18
A

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1. 17% 2. 417

18
2
47
A

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1. 41% 2. 431

19
2
48
A

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1. 18% 2. 431

20
2
8
A

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1. 25% 2. 424

21
2
9
A

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1. 18% 2. 390

22
2
49
A

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1. 21% 2. 478

23
2
50
B

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1. 30% 2. 442

24
2
51
B

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1 .5% 2. 478

25
2
87
B

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1. 46% 2. 510

26
2
110
A

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1. 15% 2. 414

27
2
70
C

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1. 36% 2. 542

28
2
72
C

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1. 14% 2. 570

29
2
71
C

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1. 38% 2. 598

30
2
73
C

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1. 21% 2. 598

31
2
74
C

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1. 8% 2. 626

32
2
75
C

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1. 58% 2. 622

33
2
76
C

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1. 9% 2. 682

34
2
56
C

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1. 11% 2. 528

35
2
77
C

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1. 7% 2. 556

36
2
78
C

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1. 10% 2. 584

37
2
79
C

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1. 12% 2. 556

38
2
80
C

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1. 43% 2. 614

39
2
81
C

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1. 2% 2. 573

40
2
82
C

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1. 26% 2. 666

41
2
83
C

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1. 12% 2. 542

42
2
84
C

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1. 10% 2. 542

43
2
85
C

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1. 60% 2. 572

44
2
86
C

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1. 28% 2. 544

45
2
52
C

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1. 14% 2. 503

46
2
88
C

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1. 2% 2. 471

47
89
56
C

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1. 9% 2. 540

Example 48

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The title compound from Preparative Example 93 (16 mg) was dissolved in a mixture of H₂O (3 ml) and a solution of 4 M HCl in dioxane (3 ml). After 20 h the reaction mixture was diluted with toluene. The organic layer was evaporated to afford the title compound (14 mg; 99%; MH⁺=386).

Example 49-64

Following a similar procedure as that described in Example 48, except using the compounds from the Preparative Examples indicated in the Table below, the following compound was prepared.

Compound

Preparative

1. Yield

Example
Example
Product
2. MH⁺

49
95

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1. 77% 2. 436

50
96

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1. 92% 2. 393

51
97

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1. 89% 2. 404

52
98

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1. 96% 2. 416

53
99

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1. 57% 2. 393

54
100

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1. 95% 2. 404

55
101

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1. 93% 2. 393

56
102

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1. 98% 2. 393

57
108

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1. 96% 2. 400

58
103

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1. 95% 2. 412

59
104

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1. 95% 2. 414

60
105

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1. 92% 2. 411

61
106

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1. 95% 2. 411

62
107

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1. 81% 2. 426

63
109

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1. 85% 2. 412

64
94

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1. 95% 2. 398

Example 65

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The title compound from Preparative Example 113 (13 mg) was treated with 4 M HCl in dioxane as described in Example 47 to afford the title compound (11.2 mg, 98%, MH⁺=436).

Example 66-75

Following a similar procedure as that described in Example 65, except using the compounds from the Preparative Examples indicated in the Table below, the following compounds were prepared.

Compound

Preparative

1. Yield

Example
Example
Product
2. MH⁺

66
114

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1. 100 2. 424

67
115

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1. 33 2. 424

68
116

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1. 40 2. 482

69
117

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1. 85 2. 388

70
118

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1. 96 2. 402

71
119

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1. 84 2. 384

72
122

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1. 30 2. 510

73
112 Step D

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1. 50 2. 500

74
121

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1. 97 2. 475

75
120

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1. 100 2. 377

Example 76

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The title compound from Preparative Example 123 (27 mg) was dissolved in dichloromethane (2 ml) and trimethylsilyl iodine (21 mg) was added. The mixture was stirred for 1 h at room temperature. After removal of the solvent the residue was purified by preparative TLC to afford the desired compound (CHCl₃/MeOH, 4 mg, 20%, MH⁺=388).

Examples 77-78

Following a similar procedure as that described in Example 76, except using the compounds from the Preparative Examples as indicated in the Table below, the following compounds were prepared.

1. Yield

Example
Preparative Example
Product
2. MH⁺

77
124

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1. 10% 2. 422

78
125

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1. 11% 2. 358

Examples 79-99 have been intentionally excluded.

Example 100-184

If one were to follow the procedures outlined in Preparative Example 71 and Examples 28 or 29 but using the amines, carboxylic acids and aldehydes from the Preparative Examples as indicated in the Table below, one would obtain the indicated Product.

Example

Carboxylic

#
Amine
Acid
Aldehyde
Product

100

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Prep Ex 62
Prep Ex 2

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101

Prep Ex 62
Prep Ex 2

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102

Prep Ex 62
Prep Ex 2

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103

Prep Ex 62
Prep Ex 2

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104

Prep Ex 62
Prep Ex 2

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105

Prep Ex 62
Prep Ex 2

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106

Prep Ex 62
Prep Ex 2

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107

Prep Ex 62
Prep Ex 2

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108

Prep Ex 62
Prep Ex 2

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109

Prep Ex 62
Prep Ex 2

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110
NH₃
Prep Ex 55
Prep Ex 2

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111
MeNH₂
Prep Ex 55
Prep Ex 2

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112
(Me)₂NH
Prep Ex 55
Prep Ex 2

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113