INHIBITORS OF TRANSGLUTAMINASES

Abstract

The invention relates to the compound of general formula (I) as novel inhibitors of transglutaminases, to methods for producing the inventive compounds, to pharmaceutical compositions containing said inventive compounds and to their use for the prophylaxis and treatment of diseases associated with transglutaminases, in particular transglutaminase 2.

Description

The invention relates to novel inhibitors of transglutaminases, in particular transglutaminase 2, methods for their synthesis and to their use for the prophylaxis and treatment of diseases associated with transglutaminases, in particular transglutaminase 2.

BACKGROUND OF THE INVENTION

Transglutaminases are part of the class of transferases and according to EC nomenclature they are correctly designated as “protein-glutamine: amine γ-glutamyl transferases” (EC 2.3.2.13). They link the 8-amino group of the amino acid lysine and the γ-glutamyl group of the amino acid glutamine forming an isopeptide bond while ammonia is released. In the absence of suitable amines and/or under certain conditions, deamidation of the glutamine may occur resulting in the corresponding glutamic acid.

Additionally, transglutaminases play an important role in many therapeutic areas such as the cardiovascular diseases (thrombosis and atherosclerosis), autoimmune diseases (celiac disease, Duhring-Brocq-disease, gluten ataxia), neurodegenerative diseases (Alzheimer's disease, Parkinson's disease, Huntington's disease), dermatological diseases (ichthyosis, psoriasis, acne) as well as in wound healing and inflammatory diseases (e.g. tissue fibrosis) (J. M. Wodzinska, Mini-Reviews in medical chemistry, 2005, 5, 279-292).

Celiac disease, a gluten intolerance, however, is one of the most important indications. Celiac disease is characterized by a chronic inflammation of the mucosa of the small intestine. In susceptible patients, the intestinal epithelium is successively destroyed after ingestion of gluten-containing food resulting in reduced absorption of nutrients which again has massive impact on the patients affected and is for example associated with symptoms such as loss of weight, anemia, diarrhea, nausea, vomiting, loss of appetite and fatigue. Due to these findings, there is a large demand for the development of a medicament for the treatment of celiac disease as well as of other diseases associated with tissue transglutaminase (transglutaminase 2, TG2, tTG). The tissue transglutaminase is a central element during pathogenesis. The endogenous enzyme catalyses the deamidation of gluten/gliadin in the small intestinal mucosa and thus triggers the inflammatory response. Therefore inhibitors of tissue transglutaminase are suitable to be used as active agents for medication. Another very important group of indications for tissue transglutaminase inhibitors are fibrotic disorders. Fibrotic disorders are characterized by the accumulation of cross-linked extracellular matrix proteins. Diabetic nephropathy, cystic fibrosis, idiopathic pulmonary fibrosis, kidney fibrosis as well as liver fibrosis belong to the most important fibrotic disorders to be addressed with the compounds disclosed.

U.S. Pat. No. 9,434,763 B2 discloses pyridinone derivatives having a warhead comprising at least one acceptor-substituted double bond, such as a Michael System, as irreversible transglutaminase inhibitors. Alkylacetamido and arylacetamido pyridinones showed inhibitory activity regarding tissue transglutaminase TG2 in nanomolar range (IC₅₀).

Tse et al. (J. Med. Chem. 2020, 63, 11585-11601) report on replacement of phenyl residues by non-classical bioisosteres, such as cubane and bicyclo[1.1.1]pentane (BCP), in anti-malarial triazolopyrazine compounds in order to alter compound solubility and metabolic stability. The authors further evaluated in vitro antiplasmodial activity of bioisosteric modified triazolopyrazines against the 3D7 strain of P. falciparum. Replacement of phenyl by bioisosteric saturated heterocyclic residues resulted in complete loss of activity. Adamantyl residues as well as other hydrocarbon-caged derivatives led to potency up to 2-9 times lower than the corresponding phenyl triazolopyrazine compounds. In contrast, higher potencies were achieved by replacing phenyl with closo-1,2- and 1,7-carborane isomers. The authors concluded that the effect of non classical bioiostere replacement on biological properties cannot be predicted accurately and that a considerable range of possible bioisosteres has to be tested first in order to identify a suitable replacement leading to the desired properties of a given molecule.

Subbaiah et al. (J. Med. Chem. 2021, 64, 19, 14046-14128) report on bioisosteres of the phenyl ring in lead optimization and drug design. It is noted that bioisosteric phenyl ring replacement with heterocyclic and carbocyclic moieties can lead to enhanced potency, solubility, and metabolic stability while reducing lipophilicity, plasma protein binding, phospholipidosis potential, and inhibition of cytochrome P450 enzymes and the hERG channel. However, this effect depends strongly on the properties of the compound itself and the addressed target.

U.S. Pat. No. 11,072,634 B2 discloses reversible transglutaminase inhibitors comprising an aldehyde, a ketone, an α-ketoaldehyde, an α-ketoketone, an α-ketoacid, an α-ketoester, an α-ketoamide or a halogenmethylketone as warhead. The inhibitors showed inhibitory activity regarding tissue transglutaminase TG2 in nanomolar and micromolar range (IC₅₀).

The objective of the present invention is to provide novel, most probably irreversible inhibitors of transglutaminases, in particular transglutaminase 2 and methods for the synthesis of said inhibitors as well as several uses of these inhibitors.

Said objective is solved by the technical teachings of the independent claims. Further advantageous embodiments, aspects and details of the invention are evident from the dependent claims, the description, and the examples.

Surprisingly, it has been found that irreversible inhibitors having a chemical warhead as disclosed herein inhibit effectively transglutaminases including tissue transglutaminase called transglutaminase 2 or TG2. Herein these terms are used synonymous.

Preferably, such chemical warhead moiety is particularly selected from irreversible warheads such as α,β-unsaturated-ketoester, α,β-unsaturated ketoamide and α,β-unsaturated-sulfone. The compounds of the present invention act as selective inhibitors of transglutaminase 2.

Thus, the present invention relates to compounds of the general formula (I):

• • wherein
  • L represents -L¹- or -L¹-L²-; preferably -L¹-L²-;
  • L¹ represents —CH₂—, —CH₂CH₂—, —CH₂CH₂CH₂—, —CH₂CO—, or —CH₂CH₂CO—;
  • L² represents a bond, —NR^N1—, —NR^N1CH₂—, —NR^N1CH₂CH₂—, or —NR^N1CH(CH₃)—,

• • R² represents

• • wherein the unsubstituted bicyclic residues can be substituted with 1 to 5 of the substituents R⁹-R¹⁴, and R^N; and preferably with 1 to 3 of the substituents R¹¹-R¹³;
  • R³ represents bicyclo[1.1.1]pentyl, bicyclo[2.1.1]hexyl, bicyclo[2.2.1]heptyl, bicyclo[3.1.1]heptyl, bicyclo[2.2.2]octyl, bicyclo[3.2.1]octyl, bicyclo[3.2.2]nonyl, bicyclo[3.3.2]decyl, bicyclo[3.3.3]undecyl, 4-homoisotwistyl, adamantyl, diamantyl, or hexamethylenetetraminyl and the afore-mentioned residues optionally contain one or more C═C double bond(s) and/or are optionally substituted by one or more of R^a, R^b, R^c, R^d, and R^e;
  • R^a, R^b, R^c, R^d, and R^e represent independently of each other —H, —F, —Cl, —Br, —CN, —OH, —CH₃, —CH₂CH₃, —CH₂CH₂CH₃, —CH(CH₃)₂, —CHF₂, —CF₃, —CH₂CF₃, —COCH₃, —COCH₂CH₃, —CO₂H, —CO₂CH₃, —CO₂C₂H₅, —CONH₂, —CONHCH₃, —CON(CH₃)₂, —CONHC₂H5, —CH₂CO₂H, —CH₂CO₂CH₃, —CH₂CO₂C₂H5, —CH₂CONH₂, —CH₂CONHCH₃, —CH₂CON(CH₃)₂, —CH₂CONHC₂H5, —NHCOCH₃, —NHCOC₂H5, —NHCOCF₃, —NHCOCH₂CF₃, —NHSO₂CH₃, —NHSO₂C₂H₅, —NHSO₂CHF₂, —NHSO₂CF₃, or —NHSO₂CH₂CF₃;
  • R⁴ represents —R⁵, —OR⁵ or —NR⁶R⁷;
  • R⁵ represents —H, —CH₃, —CH₂CH₃, —CH₂CH₂CH₃, —CH(CH₃)₂, —CH₂CH₂CH₂CH₃, —CH₂CH(CH₃)₂, —C(CH₃)₃, —CH₂CH₂CH₂CH₂CH₃, —CH₂CH═CH₂, —CH₂CH═CH(CH₃), —CH₂CH═C(CH₃)₂, —CH₂CH═CHCH₂CH₃, -cyclo-C₃H₅, -cyclo-C₄H₇, -cyclo-C₅H₉, -cyclo-C₆H₁₁, —CH₂-cyclo-C₃H₅, —CH₂-cyclo-C₄H₇, —CH₂-cyclo-C₅H₉, —CH₂-cyclo-C₆H₁₁, -Ph, —CH₂-Ph, —CH₂OCH₃, —CH₂OCH₂CH₃, —CH₂CH₂OCH₃, or —CH₂CH₂OCH₂CH₃; R⁶ and R⁷ represent independently of each other —H, —CH₃, —CH₂CH₃, —CH₂CH₂CH₃, —CH(CH₃)₂, —CH₂CH₂CH₂CH₃, —CH₂CH₂CH₂CH₂CH₃, —CH₂CH(CH₃)₂, —C(CH₃)₃, —CH₂CH═CH₂, —CH₂CH═CH(CH₃), —CH₂CH═C(CH₃)₂, —CH₂CH═CHCH₂CH₃, -cyclo-C₃H₅, -cyclo-C₄H₇, -cyclo-C₅H₉, -cyclo-C₆H₁₁, —CH₂-cyclo-C₃H₅, —CH₂-cyclo-C₄H₇, —CH₂-cyclo-C₅H₉, —CH₂-cyclo-C₆H₁₁, -Ph, —CH₂-Ph, —CH₂OCH₃, —CH₂OCH₂CH₃, —CH₂CH₂OCH₃, —CH₂CH₂OCH₂CH₃, —CH₂CH₂NHCH₃, —CH₂CH₂N(CH₃)₂,
    • or —NR⁶R⁷ represents

• • R⁸, R⁹, R¹⁰, R¹¹, R¹², R¹³, and R¹⁴ represent independently of each other —H, —F, —Cl, —Br, —I, —OH, —CN, —NO₂, —CH₃, —C₂H₅, —C₃H₇, —CH(CH₃)₂, —C₄H₉, —CH₂—CH(CH₃)₂, —CH(CH₃)—C₂H₅, —C(CH₃)₃, -cyclo-C₃H₅, —CH₂-cyclo-C₃H₅, —CH₂OH, —CH₂F, —CHF₂, —CF₃, —CH₂Cl, —CH₂Br, —CH₂I, —CH₂—CH₂F, —CH₂—CHF₂, —CH₂—CF₃, —CH₂—CH₂Cl, —CH₂—CH₂Br, —CH₂—CH₂I, —OCH₃, —OC₂H₅, —OC₃H₇, —OCH(CH₃)₂, —OC(CH₃)₃, —OC₄H₉, —OCHF₂, —OCF₃, —OCH₂CF₃, —OC₂F₅, —OCH₂OCH₃, —O-cyclo-C₃H₅, —OCH₂-cyclo-C₃H₅, —O—C₂H₄-cyclo-C₃H₅, —CHO, —COCH₃, —COCF₃, —COC₂H₅, —COC₃H₇, —COCH(CH₃)₂, —COC(CH₃)₃, -GOOH, —COOCH₃, —COOC₂H₅, —COOC₃H₇, —COOCH(CH₃)₂, —COOC(CH₃)₃, —OOC—CH₃, —OOC—CF₃, —OOC—C₂H₅, —OOC—C₃H₇, —OOC—CH(CH₃)₂, —OOC—C(CH₃)₃, —NH₂, —NHCH₃, —NHC₂H₅, —NHC₃H₇, —NHCH(CH₃)₂, —NHC(CH₃)₃, —N(CH₃)₂, —N(C₂H₅)₂, —N(C₃H₇)₂, —N[CH(CH₃)₂]₂, —N[C(CH₃)₃]₂, —NHCOCH₃, —NHCOCF₃, —NHCOC₂H₅, —NHCOC₃H₇, —NHCOCH(CH₃)₂, —NHCOC(CH₃)₃, —CONH₂, —CONHCH₃, —CONHC₂H₅, —CONHC₃H₇, —CONHCH(CH₃)₂, —CONH-cyclo-C₃H₅, —CONHC(CH₃)₃, —CON(CH₃)₂, —CON(C₂H₅)₂, —CON(C₃H₇)₂, —CON[CH(CH₃)₂]₂, —CON[C(CH₃)₃]₂, —SO₂NH₂, —SO₂NHCH₃, —SO₂NHC₂H₅, —SO₂NHC₃H₇, —SO₂NHCH(CH₃)₂, —SO₂NH-cyclo-C₃H₅, —SO₂NHC(CH₃)₃, —SO₂N(CH₃)₂, —SO₂N(C₂H₅)₂, —SO₂N(C₃H₇)₂, —SO₂N[CH(CH₃)₂]₂, —SO₂N[C(CH₃)₃]₂, —NHSO₂CH₃, —NHSO₂CF₃, —NHSO₂C₂H₅, —NHSO₂C₃H₇, —NHSO₂CH(CH₃)₂, —NHSO₂C(CH₃)₃, —CH═CH₂, —CH₂—CH═CH₂, —C(CH₃)═CH₂, —CH═CH—CH₃, —C≡CH, —C═C—CH₃, —CH₂—C≡CH, -Ph, —O-Ph, —O—CH₂-Ph,

• • • or R⁸ and R⁹ or R⁹ and R¹⁰ can form together one of the following five-membered or six-membered rings:

• • • or R¹² and R¹³ or R¹³ and R¹⁴ can form together one of the following five-membered or six-membered rings:

• • R^N represents —H, —CH₃, —C₂H₅, —C₃H₇, —CH(CH₃)₂, —C₄H₉, —CH₂—CH(CH₃)₂, —CH(CH₃)—C₂H₅, —C(CH₃)₃, -cyclo-C₃H₅, -cyclo-C₄H₇, -cyclo-C₅H₉, —CH₂-cyclo-C₃H₅, —CH₂-cyclo-C₄H₇, —CH₂-cyclo-C₅H₉, —CH₂F, —CHF₂, —CF₃, —CH₂Cl, —CH₂Br, —CH₂I, —CH₂—CH₂F, —CH₂—CHF₂, —CH₂—CF₃, —CH₂—CH₂Cl, —CH₂—CH₂Br, —CH₂—CH₂I, —CH₂—CH═CH₂, —CH₂—C≡CH, —CHO, —COCH₃, —COC₂H₅, —COC₃H₇, —COCH(CH₃)₂, —COC(CH₃)₃, —CO-cyclo-C₃H₅, —CO-cyclo-C₄H₇, —CO-cyclo-C₅H₉, —COOCH₃, —COOC₂H₅, —COOC₃H₇, —COOCH(CH₃)₂, —COOC(CH₃)₃, —COOCH₂Ph, —SO₂CH₃, —SO₂CF₃, —SO₂C₂H₅, —SO₂C₃H₇, —SO₂CH(CH₃)₂, —SO₂-cyclo-C₃H₅, or —SO₂C(CH₃)₃;
  • R^N1 represent —H, —CH₃, or —CH₂CH₃;
  • or a diastereomer, an enantiomer, a mixture of diastereomers, a mixture of enantiomers, a racemate, a solvate, a hydrate, or a pharmaceutically acceptable salt thereof.

The inventors have found that the reversible inhibitors of formula (I) disclosed herein having a bridged bicyclic residue R³ exhibit increased potency over the compounds of the prior art. Particularly, it is demonstrated herein, that the inventive compounds have an improved inhibitory activity compared to the known compounds bearing aromatic moieties R³ instead of bridged bicyclic residues. In order to prove inventiveness of the compounds of the present application, known compounds from U.S. Pat. No. 9,434,763 B2 (Reference 2 (ZED1227), Reference 3 (A8 from U.S. Pat. No. 9,434,763 B2), and Reference 5) were synthesized and tested as reference compounds in comparison to the most similar compounds of the present application. To this extent, inhibition data were determined using the classical fluorescent transamidation assay (dansylcadaverine incorporation into methylated casein, DCC-assay) as described in Buchold et al. [Buchold, C.; Hils, M.; Gerlach, U.; Weber, J.; Pelzer, C.; Heil, A.; Aeschlimann, D.; Pasternack, R. Features of ZED1227: The First-In-Class Tissue Transglutaminase Inhibitor Undergoing Clinical Evaluation for the Treatment of Celiac Disease. Cells 2022, 11, 1667. https://doi.org/10.3390/cells11101667] Casein is one of the best known high molecular weight (24 kDa) protein substrates for transglutaminases. Inhibition data of the inventive compounds was compared with inhibition of compounds disclosed in U.S. Pat. No. 9,434,763 B2, particularly, compound A8, which is denoted herein as Reference 3. It is noteworthy that the IC₅₀ values of compounds A8 published in U.S. Pat. No. 9,434,763 B2 cannot be compared to the present data, relying on a fluorogenic isopeptidase assay. Measured in the DCC-assay, Ref. 2 (IC₅₀=53 nM) is 80-fold more potent compared to Ref. 3 (IC₅₀=4,268 nM).

Thus, the inventive compounds of formula (I) rated “A” showed efficacies of about 250-fold higher compared to Ref. 3 (A8). The same argumentation applies to Ref. 5 which is except of the phenylethyl group identical to compound III-83. Ref. 5 is more than 25-times less potent in comparison to compound III-83 as evident from Table 1.

This finding was particularly surprising as a skilled person would not have expected an improved inhibitory activity of the inventive compounds bearing a bridged bicyclic residue over the compounds of the prior art bearing aromatic residues since it is common knowledge that bridged bicyclic groups or bridged cycloalkyl groups are non-classical bioisosteres of the phenyl group, such that a skilled person would only expect to obtain a compound having similar physico-chemical and biological properties, including inhibitory activity, when replacing a phenyl group with a bridged bicyclic group. As aromatic moieties showed lower potency, bridged cycloalkyl groups would not be considered improving the physico-chemical and biological properties of the compounds.

The residues bicyclo[1.1.1]pentyl, bicyclo[2.1.1]hexyl, bicyclo[2.2.1]heptyl, bicyclo[3.1.1]heptyl, bicyclo[2.2.2]octyl, bicyclo[3.2.1]octyl, bicyclo[3.2.2]nonyl, bicyclo[3.3.2]decyl, bicyclo[3.3.3]undecyl, 4-homoisotwistyl, 1-adamantyl, 2-adamantyl, diamantyl, and hexamethylenetetraminyl used herein, have the following parent structures:

and the afore-mentioned residues optionally contain one or more C═C double bond(s) such as bicyclo[2.2.1]hept-5-enyl (see III-66) and/or are optionally substituted with one or more of R^a, R^b, R^c, R^d, and R^e.

Particularly, the terms “1-adamantyl”, “2-adamantyl” and “2-bicyclo[3.1.1]heptyl” have the following structures:

• • wherein R^a, R^b, R^c, R^d and R^e have the same meanings as defined herein.

Preferably, 2-bicyclo[3.1.1]heptyl has the following structure:

• • wherein R^a and R^b, have the same meanings as defined herein.

Preferred are the compounds of the formula (Ic):

• • and L, R², R³, R⁵, R⁵, R⁷ have the same meanings as defined herein for the formula (I).

In one aspect of the present invention, the compound of the formula (I) has an irreversible warhead, such as α,β-unsaturated-ketoester, α,β-unsaturated ketoamide and α,β-unsaturated-sulfone. The compounds of the present invention act as selective inhibitors of transglutaminase 2.

Thus, in some embodiments the present invention refers to the compounds of the formula (I)

• • wherein
  • L represents -L¹- or -L¹-L²-; preferably -L¹-L²-;
  • L¹ represents —CH₂—, —CH₂CH₂—, —CH₂CH₂CH₂—, —CH₂CO—, or —CH₂CH₂CO—;
  • L² represents a bond, —NR^N1—, —NR^N1CH₂—, —NR^N1CH₂CH₂—, or —NR^N1CH(CH₃)—;
  • R¹ represents

• • R² represents

• • wherein the unsubstituted bicyclic residues can be substituted with 1 to 5 of the substituents R⁹-R¹⁴, and R^N; and preferably with 1 to 3 of the substituents R¹¹-R¹³;
  • R³ represents bicyclo[1.1.1]pentyl, bicyclo[2.1.1]hexyl, bicyclo[2.2.1]heptyl, bicyclo[3.1.1]heptyl, bicyclo[2.2.2]octyl, bicyclo[3.2.1]octyl, bicyclo[3.2.2]nonyl, bicyclo[3.3.2]decyl, bicyclo[3.3.3]undecyl, 4-homoisotwistyl, adamantyl, diamantyl, or hexamethylenetetraminyl and the afore-mentioned residues optionally contain one or more C═C double bond(s) and/or are substituted by one or more of R^a, R^b, R^c, R^d, and R^e;
  • R^a, R^b, R^c, R^d, and R^e represent independently of each other —H, —F, —Cl, —Br, —CN, —OH, —CH₃, —CH₂CH₃, —CH₂CH₂CH₃, —CH(CH₃)₂, —CHF₂, —CF₃, —CH₂CF₃, —COCH₃, —COCH₂CH₃, —CO₂H, —CO₂CH₃, —CO₂C₂H₅, —CONH₂, —CONHCH₃, —CON(CH₃)₂, —CONHC₂H₅, —CH₂CO₂H, —CH₂CO₂CH₃, —CH₂CO₂C₂H₅, —CH₂CONH₂, —CH₂CONHCH₃, —CH₂CON(CH₃)₂, —CH₂CONHC₂H₅, —NHCOCH₃, —NHCOC₂H₅, —NHCOCF₃, —NHCOCH₂CF₃, —NHSO₂CH₃, —NHSO₂C₂H₅, —NHSO₂CHF₂, —NHSO₂CF₃, or —NHSO₂CH₂CF₃;
  • R⁴ represents —R⁵, —OR⁵ or —NR⁶R⁷;
  • R⁵ represents —H, —CH₃, —CH₂CH₃, —CH₂CH₂CH₃, —CH(CH₃)₂, —CH₂CH₂CH₂CH₃, —CH₂CH(CH₃)₂, —C(CH₃)₃, —CH₂CH₂CH₂CH₂CH₃, —CH₂CH═CH₂, —CH₂CH═CH(CH₃), —CH₂CH═C(CH₃)₂, —CH₂CH═CHCH₂CH₃, -cyclo-C₃H₅, -cyclo-C₄H₇, -cyclo-C₅Hg, -cyclo-C₆H₁₁, —CH₂-cyclo-C₃H₅, —CH₂-cyclo-C₄H₇, —CH₂-cyclo-C₅H₉, —CH₂-cyclo-C₆H₁₁, —CH₂-Ph, —CH₂OCH₃, —CH₂OCH₂CH₃, —CH₂CH₂OCH₃, or —CH₂CH₂OCH₂CH₃;
  • R⁶ and R⁷ represent independently of each other —H, —CH₃, —CH₂CH₃, —CH₂CH₂CH₃, —CH(CH₃)₂, —CH₂CH₂CH₂CH₃, —CH₂CH₂CH₂CH₂CH₃, —CH₂CH(CH₃)₂, —C(CH₃)₃, —CH₂CH═CH₂, —CH₂CH═CH(CH₃), —CH₂CH═C(CH₃)₂, —CH₂CH═CHCH₂CH₃, -cyclo-C₃H₅, -cyclo-C₄H₇, -cyclo-C₅H₉, -cyclo-C₆H₁₁, —CH₂-cyclo-C₃H₅, —CH₂-cyclo-C₄H₇, —CH₂-cyclo-C₅H₉, —CH₂-cyclo-C₆H₁₁, -Ph, —CH₂-Ph, —CH₂OCH₃, —CH₂OCH₂CH₃, —CH₂CH₂OCH₃, —CH₂CH₂OCH₂CH₃, —CH₂CH₂NHCH₃, or —CH₂CH₂N(CH₃)₂, or —NR⁶R⁷ represents

• • R⁸, R⁹, R¹⁰, R¹¹, R¹², R¹³, and R¹⁴ represent independently of each other —H, —F, —Cl, —Br, —I, —OH, —CN, —NO₂, —CH₃, —C₂H₅, —C₃H₇, —CH(CH₃)₂, —C₄H₉, —CH₂—CH(CH₃)₂, —CH(CH₃)—C₂H₅, —C(CH₃)₃, -cyclo-C₃H₅, —CH₂-cyclo-C₃H₅, —CH₂F, —CHF₂, —CF₃, —CH₂Cl, —CH₂Br, —CH₂I, —CH₂—CH₂F, —CH₂—CHF₂, —CH₂—CF₃, —CH₂—CH₂Cl, —CH₂—CH₂Br, —CH₂—CH₂I, —OCH₃, —OC₂H₅, —OC₃H₇, —OCH(CH₃)₂, —OC(CH₃)₃, —OC₄H₉, —OCHF₂, —OCF₃, —OCH₂CF₃, —OC₂F₅, —OCH₂OCH₃, —O-cyclo-C₃H₅, —OCH₂-cyclo-C₃H₅, —O—C₂H₄-cyclo-C₃H₅, —CHO, —COCH₃, —COCF₃, —COC₂H₅, —COC₃H₇, —COCH(CH₃)₂, —COC(CH₃)₃, —COOH, —COOCH₃, —COOC₂H₅, —COOC₃H₇, —COOCH(CH₃)₂, —COOC(CH₃)₃, —OOC—CH₃, —OOC—CF₃, —OOC—C₂H₅, —OOC—C₃H₇, —OOC—CH(CH₃)₂, —OOC—C(CH₃)₃, —NH₂, —NHCH₃, —NHC₂H₅, —NHC₃H₇, —NHCH(CH₃)₂, —NHC(CH₃)₃, —N(CH₃)₂, —N(C₂H₅)₂, —N(C₃H₇)₂, —N[CH(CH₃)₂]₂, —N[C(CH₃)₃]₂, —NHCOCH₃, —NHCOCF₃, —NHCOC₂H₅, —NHCOC₃H₇, —NHCOCH(CH₃)₂, —NHCOC(CH₃)₃, —CONH₂, —CONHCH₃, —CONHC₂H₅, —CONHC₃H₇, —CONHCH(CH₃)₂, —CONH-cyclo-C₃H₅, —CONHC(CH₃)₃, —CON(CH₃)₂, —CON(C₂H₅)₂, —CON(C₃H₇)₂, —CON[CH(CH₃)₂]₂, —CON[C(CH₃)₃]₂, —SO₂NH₂, —SO₂NHCH₃, —SO₂NHC₂H₅, —SO₂NHC₃H₇, —SO₂NHCH(CH₃)₂, —SO₂NH-cyclo-C₃H₅, —SO₂NHC(CH₃)₃, —SO₂N(CH₃)₂, —SO₂N(C₂H₅)₂, —SO₂N(C₃H₇)₂, —SO₂N[CH(CH₃)₂]₂, —SO₂N[C(CH₃)₃]₂, —NHSO₂CH₃, —NHSO₂CF₃, —NHSO₂C₂H₅, —NHSO₂C₃H₇, —NHSO₂CH(CH₃)₂, —NHSO₂C(CH₃)₃, —CH═CH₂, —CH₂—CH═CH₂, —C(CH₃)═CH₂, —CH═CH—CH₃, —C≡CH, —C═C—CH₃, —CH₂—C≡CH, -Ph, —O-Ph, —O—CH₂-Ph,

• • or R⁸ and R⁹ or R⁹ and R¹⁰ can form together one of the following five-membered or six-membered rings:

• • or R¹² and R¹³ or R¹³ and R¹⁴ can form together one of the following five-membered or six-membered rings:

• • R^N represents —H, —CH₃, —C₂H₅, —C₃H₇, —CH(CH₃)₂, —C₄H₉, —CH₂—CH(CH₃)₂, —CH(CH₃)—C₂H₅, —C(CH₃)₃, -cyclo-C₃H₅, -cyclo-C₄H₇, -cyclo-C₅H₉, —CH₂-cyclo-C₃H₅, —CH₂F, —CHF₂, —CF₃, —CH₂Cl, —CH₂Br, —CH₂I, —CH₂—CH₂F, —CH₂—CHF₂, —CH₂—CF₃, —CH₂—CH₂Cl, —CH₂—CH₂Br, —CH₂—CH₂I, —CH₂—CH═CH₂, —CH₂—C≡CH, —CHO, —COCH₃, —COC₂H₅, —COC₃H₇, —COCH(CH₃)₂, —COC(CH₃)₃, —COOCH₃, —COOC₂H₅, —COOC₃H₇, —COOCH(CH₃)₂, —COOC(CH₃)₃, —COOCH₂Ph, —SO₂CH₃, —SO₂CF₃, —SO₂C₂H₅, —SO₂C₃H₇, —SO₂CH(CH₃)₂, or —SO₂C(CH₃)₃;
  • R^N1 represent —H, —CH₃, or —CH₂CH₃;
  • or a diastereomer, an enantiomer, a mixture of diastereomers, a mixture of enantiomers, a racemate, a solvate, a hydrate, or a pharmaceutically acceptable salt thereof.

In all general formulae disclosed herein R² represents preferably

• • wherein the unsubstituted bicyclic residues can be substituted with 1 to 5 of the substituents R⁹-R¹⁴, and R^N; and preferably with 1 to 3 of the substituents R¹¹-R¹³ and the substituents R⁹-R¹⁴, and R^N have the meanings as defined herein or as in claim 1.

The unsubstituted bicyclic residues which can be substituted with 1 to 5 of the substituents R⁹-R¹⁴ and R^N; have the following structure and the substituents R⁹-R¹⁴ and R^N have the meanings as defined herein:

In one embodiment of the herein disclosed inventive compounds, L represents —CH₂CO—NH—, —CH₂CO—NCH₃—, —CH₂CO—NH—CH₂—, or —CH₂CO—NH—CH(CH₃)—.

Preferred are the compounds of the formula (I),

• • wherein
  • L represents -L¹-L²-;
  • L¹ represents —CH₂—, —CH₂CH₂—, —CH₂CH₂CH₂—, —CH₂CO—, or —CH₂CH₂CO—;
  • L² represents a bond, —NR^N1—, —NR^N1CH₂—, —NR^N1CH₂CH₂—, or —NR^N1CH(CH₃)—;
  • R¹ represents

and R², R³, R⁵-R⁷, and R^N1 have the meanings as defined above.

Preferred are the compounds of the formula (I),

• • wherein
  • L represents -L¹- or -L¹-L²-; preferably -L¹-L²-;
  • L¹ represents —CH₂—, —CH₂CH₂—, —CH₂CH₂CH₂—, —CH₂CO—, or —CH₂CH₂CO—;
  • L² represents a bond, —NR^N1—, —NR^N1CH₂—, —NR^N1CH₂CH₂—, or —NR^N1CH(CH₃)—.

• • and R², R³, R⁵-R⁷, and R^N1 have the meanings as defined above. Still more preferred, are the compounds of any one of the formulae (Ic), (Id), and (Ie):

• • wherein
  • L, R², R³, and R⁵-R⁷ have the meanings as defined above.

Also preferred are the compounds of the formula (I)

• • wherein
  • L represents -L¹- or -L¹-L²-; preferably -L¹-L²-;
  • L¹ represents —CH₂—, —CH₂CH₂—, —CH₂CH₂CH₂—, —CH₂CO—, or —CH₂CH₂CO—;
  • L² represents a bond, —NR^N1—, —NR^N1CH₂—, —NR^N1CH₂CH₂—, or —NR^N1CH(CH₃)—.
  • R¹ represents

• • R² represents

• • wherein the unsubstituted bicyclic residues can be substituted with 1 to 5 of the substituents R⁹-R¹⁴, and R^N; and preferably with 1 to 3 of the substituents R¹¹-R¹³, and R⁵-R¹⁴, R^N and R^N1 have the meanings as defined herein.

Also preferred are the compounds of any one of the formulae (Ic)-(Ie)

• • wherein
  • L represents -L¹- or -L¹-L²-; preferably -L¹-L²-;
  • L¹ represents —CH₂—, —CH₂CH₂—, —CH₂CH₂CH₂—, —CH₂CO—, or —CH₂CH₂CO—;
  • L² represents a bond, —NR^N1—, —NR^N1CH₂—, —NR^N1CH₂CH₂—, or —NR^N1CH(CH₃)—;

• • R² represents
  • wherein the unsubstituted bicyclic residues can be substituted with 1 to 5 of the substituents R⁹-R¹⁴, and R^N; and preferably with 1 to 3 of the substituents R¹¹-R¹³ and R⁵-R¹⁴, R^N and R^N1 have the meanings as defined herein.

More preferred, are the compound of the formula (I), wherein

• • R¹ represents

• • L represents -L¹-L²-;
  • L¹ represents —CH₂—, or —CH₂CO—;
  • L² represents a bond, —NR^N1—, —NR^N1CH₂—, or —NR^N1CH(CH₃)—;
  • R³ represents bicyclo[2.2.1]heptyl, bicyclo[3.1.1]heptyl, bicyclo[2.2.2]octyl, 4-homoisotwistyl, adamantyl, or diamantyl and the afore-mentioned residues optionally contain one or more C═C double bond(s) and/or are optionally substituted by one or more of R^a, R^b, R^c, R^d, and R^e;
  • and R⁵, R⁶, R⁷, R^a, R^b, R^c, R^d, R^e and R^N1 have the same meanings as defined above.

More preferred, are the compound of the formula (I), wherein

• • R¹ represents

• • L represents -L¹- or -L¹-L²-; preferably -L¹-L²-;
  • L¹ represents —CH₂—, or —CH₂CO—;
  • L² represents a bond, —NR^N1—, —NR^N1CH₂—, or —NR^N1CH(CH₃)—;
  • R³ represents bicyclo[2.2.1]heptyl, bicyclo[3.1.1]heptyl, bicyclo[2.2.2]octyl, 4-homoisotwistyl, adamantyl, or diamantyl and the afore-mentioned residues optionally contain one or more C═C double bond(s) and/or are optionally substituted by one or more of R^a, R^b, R^c, R^d, and R^e;
  • and R⁵, R⁶, R⁷, R^a, R^b, R^c, R^d, R^e and R^N1 have the same meanings as defined above.

Also preferred are the compound of any one of the formulae (Ic)-(Ie):

• • wherein
  • L represents -L¹- or -L¹-L²-; preferably -L¹-L²-;
  • L¹ represents —OH₂—, or —CH₂CO—;
  • L² represents a bond, —NR^N1—, —NR^N1CH₂—, or —NR^N1CH(CH₃)—;
  • R² represents

• • wherein the unsubstituted bicyclic residues can be substituted with 1 to 5 of the substituents R⁹-R¹⁴, R^N; and preferably with 1 to 3 of the substituents R¹¹-R¹³, and R⁵-R¹⁴, R^N and R^N1 have the meanings as defined herein.

Preferably, R² represents

• • R³ represents bicyclo[2.2.1]heptyl, bicyclo[3.1.1]heptyl, bicyclo[2.2.2]octyl, 4-homoisotwistyl, adamantyl, or diamantyl and the afore-mentioned residues optionally contain one or more C═C double bond(s) and/or are optionally substituted by one or more of R^a, R^b, R^c, R^d, and R^e;
  • and R⁵-R¹⁴, R^a, R^b, R^c, R^d, R^e, R^N and R^N1 have the same meanings as defined above.

In all general formula disclosed herein L represents most preferably -L¹-L²-; wherein L¹ represents preferably —CH₂CO— or —CH₂CH₂CO—; and more preferably —CH₂CO—; and L² represents —NR^N1—, —NR^N1CH₂—, or —NR^N1CH(CH₃)—; more preferably —NH—, —N(CH₃)—, —NH—CH₂—, or —NH—CH(CH₃)—; still more preferably —NH—, —NH—CH₂—, or —NH—CH(CH₃)—; and most preferably —NH—.

More preferred are compounds of any one the formulae (VI-a)-(VI-I), (VII-a)-(VII-I), VIII-a)-(VIII-I), (IX-a)-(IX-d), (X-a)-(X-d), and (XI-a)-(XI-d):

• • and R², R³, R⁵, R⁶, R⁷, R⁸, R⁹, R¹⁰, R¹¹, R¹², R¹³, R^a, R^b, R^c, R^d and L² have the same meanings as defined above

Preferred are the compounds of any one of the formula (I), (Ic)-(Ie), (VI-a)-(VI-I), (VII-a)-(VII-I), (VIII-a)-(VIII-I), wherein

• • R² represents

• • R⁵ represents —H, —CH₃, —CH₂CH₃, —CH₂CH₂CH₃, —CH(CH₃)₂, —CH₂CH₂CH₂CH₃, —CH₂CH(CH₃)₂, —C(CH₃)₃, -cyclo-C₃H₅, -cyclo-C₄H₇, —CH₂-cyclo-C₃H₅, —CH₂-cyclo-C₄H₇; —CH₂Ph, or -Ph;
  • R⁶ and R⁷ represent independently of each other —H, —CH₃, —CH₂CH₃, —CH₂CH₂CH₃, —CH(CH₃)₂, —CH₂CH₂CH₂CH₂CH₃, -cyclo-C₃H₅, -cyclo-C₅H₉, -cyclo-C₆H₁₁, —CH₂CH═CH₂, -Ph, or —CH₂Ph.

Preferred, are the compounds of any one of the formula (IX-a)-(IX-d), (X-a)-(X-d), and (XI-a)-(XI-d), wherein

• • R⁵ represents —H, —CH₃, —CH₂CH₃, —CH₂CH₂CH₃, —CH(CH₃)₂, —CH₂CH₂CH₂CH₃, —CH₂CH(CH₃)₂, —C(CH₃)₃, -cyclo-C₃H₅, -cyclo-C₄H₇, —CH₂-cyclo-C₃H₅, —CH₂-cyclo-C₄H₇; —CH₂Ph, or -Ph;
  • R⁶ and R⁷ represent independently of each other —H, —CH₃, —CH₂CH₃, —CH₂CH₂CH₃, —CH(CH₃)₂, —CH₂CH₂CH₂CH₂CH₃, -cyclo-C₃H₅, -cyclo-C₅H₉, -cyclo-C₆H₁₁, —CH₂CH═CH₂, -Ph, or —CH₂Ph.

Preferred, are the compound of any of the formulae (I), (Ic)-(Ie), (VI-a)-(VI-I), (VII-a)-(VII-I), (VIII-a)-(VIII-I), (IX-a)-(IX-d), (X-a)-(X-d), and (XI-a)-(XI-d),

• • wherein
  • R³ represents

In very preferred embodiment the present invention refers to the compounds selected from the group consisting of:

III-1:		(S,E)-methyl 7-(1-(2-(2- adamantylamino)-2-oxoethyl)-2-oxo- 1,2-dihydropyridin-3-ylamino)-6-(1- methyl-1H-imidazole-5-carboxamido)- 7-oxohept-2-enoate
III-2:		(S,E)-methyl 7-(1-(2-(2- adamantylamino)-2-oxoethyl)-2-oxo- 1,2-dihydropyridin-3-ylamino)-6-(3- methylbenzofuran-2-carboxamido)-7- oxohept-2-enoate
III-3:		(S,E)-methyl 6-(3-chlorobenzofuran-2- carboxamido)-7-(1-(2-(2- adamantylamino)-2-oxoethyl)-2-oxo- 1,2-dihydropyridin-3-ylamino)-7- oxohept-2-enoate
III-4:		(S,E)-methyl 6-(4-bromobenzofuran-2- carboxamido)-7-(1-(2-(2- adamantylamino)-2-oxoethyl)-2-oxo- 1,2-dihydropyridin-3-ylamino)-7- oxohept-2-enoate
III-5:		(S,E)-methyl 6-(benzo[b]thiophene-2- carboxamido)-7-(1-(2-(2- adamantylamino)-2-oxoethyl)-2-oxo- 1,2-dihydropyridin-3-ylamino)-7- oxohept-2-enoate
III-6:		(S,E)-methyl 6-(5- bromobenzo[b]thiophene-2- carboxamido)-7-(1-(2-(2- adamantylamino)-2-oxoethyl)-2-oxo- 1,2-dihydropyridin-3-ylamino)-7- oxohept-2-enoate
III-7:		(S,E)-methyl 6-(7- fluorobenzo[b]thiophene-2- carboxamido)-7-(1-(2-(2- adamantylamino)-2-oxoethyl)-2-oxo- 1,2-dihydropyridin-3-ylamino)-7- oxohept-2-enoate
III-8:		(S,E)-methyl 6-(1H-indole-2- carboxamido)-7-(1-(2-(2- adamantylamino)-2-oxoethyl)-2-oxo- 1,2-dihydropyridin-3-ylamino)-7- oxohept-2-enoate
III-9:		(S,E)-methyl 6-(4,5-difluoro-1H-indole- 2-carboxamido)-7-(1-(2-(2- adamantylamino)-2-oxoethyl)-2-oxo- 1,2-dihydropyridin-3-ylamino)-7- oxohept-2-enoate
III-10:		(S,E)-methyl 7-(1-(2-(2- adamantylamino)-2-oxoethyl)-2-oxo- 1,2-dihydropyridin-3-ylamino)-6-(3- methyl-1H-indole-2-carboxamido)-7- oxohept-2-enoate
III-11:		(S,E)-methyl 6-(1H-benzo[d]imidazole- 2-carboxamido)-7-(1-(2-(2- adamantylamino)-2-oxoethyl)-2-oxo- 1,2-dihydropyridin-3-ylamino)-7- oxohept-2-enoate
III-12:		(S,E)-methyl 6-(2,3-dihydro-1H-indene- 2-carboxamido)-7-(1-(2-(2- adamantylamino)-2-oxoethyl)-2-oxo- 1,2-dihydropyridin-3-ylamino)-7- oxohept-2-enoate
III-13:		(S,E)-methyl 6-(2,5-dichlorothiophene- 3-carboxamido)-7-(1-(2-(2- adamantylamino)-2-oxoethyl)-2-oxo- 1,2-dihydropyridin-3-ylamino)-7- oxohept-2-enoate
III-14:		(S,E)-methyl 7-(1-(2-(2- adamantylamino)-2-oxoethyl)-2-oxo- 1,2-dihydropyridin-3-ylamino)-6-(4- methyl-2-(trifluoromethyl)thiazole-5- carboxamido)-7-oxohept-2-enoate
III-15:		(S,E)-methyl 6-(3,5-dibromothiophene- 2-carboxamido)-7-(1-(2-(2- adamantylamino)-2-oxoethyl)-2-oxo- 1,2-dihydropyridin-3-ylamino)-7- oxohept-2-enoate
III-16:		(S,E)-methyl 6-(2,5-dibromothiophene- 3-carboxamido)-7-(1-(2-(2- adamantylamino)-2-oxoethyl)-2-oxo- 1,2-dihydropyridin-3-ylamino)-7- oxohept-2-enoate
III-17:		(S,E)-methyl 6-(5-bromothiophene-3- carboxamido)-7-(1-(2-(2- adamantylamino)-2-oxoethyl)-2-oxo- 1,2-dihydropyridin-3-ylamino)-7- oxohept-2-enoate
III-18:		(S,E)-methyl 6-(4-bromothiophene-2- carboxamido)-7-(1-(2-(2- adamantylamino)-2-oxoethyl)-2-oxo- 1,2-dihydropyridin-3-ylamino)-7- oxohept-2-enoate
III-19:		(S,E)-methyl 6-(4,5-dibromothiophene- 2-carboxamido)-7-(1-(2-(2- adamantylamino)-2-oxoethyl)-2-oxo- 1,2-dihydropyridin-3-ylamino)-7- oxohept-2-enoate
III-20:		(S,E)-methyl 6-(4,5-dichlorothiophene- 2-carboxamido)-7-(1-(2-(2- adamantylamino)-2-oxoethyl)-2-oxo- 1,2-dihydropyridin-3-ylamino)-7- oxohept-2-enoate
III-21:		(S,E)-methyl 6-((S)-1-acetylpyrrolidine- 2-carboxamido)-7-(1-(2-(2- adamantylamino)-2-oxoethyl)-2-oxo- 1,2-dihydropyridin-3-ylamino)-7- oxohept-2-enoate
III-22:		(S,E)-methyl 7-(1-(2-(2- adamantylamino)-2-oxoethyl)-2-oxo- 1,2-dihydropyridin-3-ylamino)-6-(1- methyl-1H-1,2,3-triazole-5- carboxamido)-7-oxohept-2-enoate
III-23:		(S,E)-methyl 7-(1-(2-(2- adamantylamino)-2-oxoethyl)-2-oxo- 1,2-dihydropyridin-3-ylamino)-7-oxo-6- (2H-tetrazole-5-carboxamido)hept-2- enoate
III-24:		(S,E)-methyl 7-(1-(2-(2- adamantylamino)-2-oxoethyl)-2-oxo- 1,2-dihydropyridin-3-ylamino)-7-oxo-6- (pyrazine-2-carboxamido)hept-2- enoate
III-25:		(S,E)-methyl 7-(1-(2-(2- adamantylamino)-2-oxoethyl)-2-oxo- 1,2-dihydropyridin-3-ylamino)-6-((S)-1- methylpyrrolidine-2-carboxamido)-7- oxohept-2-enoate
III-26:		(S,E)-methyl 7-(1-(2-(2- adamantylamino)-2-oxoethyl)-2-oxo- 1,2-dihydropyridin-3-ylamino)-7-oxo-6- ((S)-pyrrolidine-3-carboxamido)hept-2- enoate
III-27:		(S,E)-methyl 6-((2S,4S)-4- bromopyrrolidine-2-carboxamido)-7-(1- (2-(2-adamantylamino)-2-oxoethyl)-2- oxo-1,2-dihydropyridin-3-ylamino)-7- oxohept-2-enoate
III-28:		(S,E)-methyl 6-(1H-imidazole-4- carboxamido)-7-(1-(2-(2- adamantylamino)-2-oxoethyl)-2-oxo- 1,2-dihydropyridin-3-ylamino)-7- oxohept-2-enoate
III-29:		(S,E)-methyl 7-(1-(2-(2- adamantylamino)-2-oxoethyl)-2-oxo- 1,2-dihydropyridin-3-ylamino)-7-oxo-6- ((S)-piperidine-2-carboxamido)hept-2- enoate
III-30:		(S,E)-methyl 7-(1-(2-(2- adamantylamino)-2-oxoethyl)-2-oxo- 1,2-dihydropyridin-3-ylamino)-7-oxo-6- ((R)-piperidine-3-carboxamido)hept-2- enoate
III-31:		(S,E)-methyl 7-(1-(2-(2- adamantylamino)-2-oxoethyl)-2-oxo- 1,2-dihydropyridin-3-ylamino)-6-((R)- morpholine-3-carboxamido)-7-oxohept- 2-enoate
III-32:		(S,E)-methyl 7-(1-(2-(2- adamantylamino)-2-oxoethyl)-2-oxo- 1,2-dihydropyridin-3-ylamino)-7-oxo-6- (quinuclidine-3-carboxamido)hept-2- enoate
III-33:		(S,E)-methyl 3-(1-(1-(2-(2- adamantylamino)-2-oxoethyl)-2-oxo- 1,2-dihydropyridin-3-ylamino)-7- methoxy-1,7-dioxohept-5-en-2- ylcarbamoyl)-5-nitrobenzoate
III-34:		(S,E)-methyl 7-(1-(2-(2- adamantylamino)-2-oxoethyl)-2-oxo- 1,2-dihydropyridin-3-ylamino)-6-(5- nitronicotinamido)-7-oxohept-2-enoate
III-35:		(S,E)-5-(1-(1-(2-(2-adamantylamino)-2- oxoethyl)-2-oxo-1,2-dihydropyridin-3- ylamino)-7-methoxy-1,7-dioxohept-5- en-2-ylcarbamoyl)nicotinic acid
III-36:		(S,E)-methyl 5-(1-(1-(2-(2- adamantylamino)-2-oxoethyl)-2-oxo- 1,2-dihydropyridin-3-ylamino)-7- methoxy-1,7-dioxohept-5-en-2- ylcarbamoyl)nicotinate
III-37:		(S,E)-methyl 7-(1-(2-(2- adamantyl(methyl)amino)-2-oxoethyl)- 2-oxo-1,2-dihydropyridin-3-ylamino)-6- (3-methylbenzofuran-2-carboxamido)- 7-oxohept-2-enoate
III-38:		(S,E)-methyl 7-(1-(2-(5- hydroxyadamantane-2-amino)-2- oxoethyl)-2-oxo-1,2-dihydropyridin-3- ylamino)-6-(3-methylbenzofuran-2- carboxamido)-7-oxohept-2-enoate
III-39:		(S,E)-methyl 7-(1-(2-(5- fluoroadamantane-2-amino)-2- oxoethyl)-2-oxo-1,2-dihydropyridin-3- ylamino)-6-(3-methylbenzofuran-2- carboxamido)-7-oxohept-2-enoate
III-40:		(S,E)-methyl 7-(1-(2-(5- chloroadamantane-2-amino)-2- oxoethyl)-2-oxo-1,2-dihydropyridin-3- ylamino)-6-(3-methylbenzofuran-2- carboxamido)-7-oxohept-2-enoate
III-41:		(S,E)-methyl 7-(1-(2-(5- bromoadamantane-2-amino)-2- oxoethyl)-2-oxo-1,2-dihydropyridin-3- ylamino)-6-(3-methylbenzofuran-2- carboxamido)-7-oxohept-2-enoate
III-42:		(S,E)-methyl 7-(1-(2-(5- methyladamantane-2-amino)-2- oxoethyl)-2-oxo-1,2-dihydropyridin-3- ylamino)-6-(3-methylbenzofuran-2- carboxamido)-7-oxohept-2-enoate
III-43:		(S,E)-methyl 7-(1-(2-(2- carbonitrileadamantane-2-amino)-2- oxoethyl)-2-oxo-1,2-dihydropyridin-3- ylamino)-6-(3-methylbenzofuran-2- carboxamido)-7-oxohept-2-enoate
III-44:		(S,E)-methyl 7-(1-(2-(2-methyl adamantane-2-carboxylate-2-amino)-2- oxoethyl)-2-oxo-1,2-dihydropyridin-3- ylamino)-6-(3-methylbenzofuran-2- carboxamido)-7-oxohept-2-enoate
III-45:		(S,E)-methyl 7-(1-(2-(1- adamantylamino)-2-oxoethyl)-2-oxo- 1,2-dihydropyridin-3-ylamino)-6-(3- methylbenzofuran-2-carboxamido)-7- oxohept-2-enoate
III-46:		(S,E)-methyl 7-(1-(2-(3,5- dimethyladamantane-1-amino)-2- oxoethyl)-2-oxo-1,2-dihydropyridin-3- ylamino)-6-(3-methylbenzofuran-2- carboxamido)-7-oxohept-2-enoate
III-47:		(S,E)-methyl 7-(1-(2-(1- adamantyl(methyl)amino)-2-oxoethyl)- 2-oxo-1,2-dihydropyridin-3-ylamino)-6- (3-methylbenzofuran-2-carboxamido)- 7-oxohept-2-enoate
III-48:		(S,E)-methyl 7-(1-(2-(3- ethyladamantane-1-amino)-2- oxoethyl)-2-oxo-1,2-dihydropyridin-3- ylamino)-6-(3-methylbenzofuran-2- carboxamido)-7-oxohept-2-enoate
III-49:		(S,E)-methyl 7-(1-(2-(3- trifluoromethyladamantane-1-amino)-2- oxoethyl)-2-oxo-1,2-dihydropyridin-3- ylamino)-6-(3-methylbenzofuran-2- carboxamido)-7-oxohept-2-enoate
III-50:		(S,E)-methyl 7-(1-(2-(3- hydroxyadamantane-1-amino)-2- oxoethyl)-2-oxo-1,2-dihydropyridin-3- ylamino)-6-(3-methylbenzofuran-2- carboxamido)-7-oxohept-2-enoate
III-51:		(S,E)-methyl 7-(1-(2-(3- fluoroadamantane-1-amino)-2- oxoethyl)-2-oxo-1,2-dihydropyridin-3- ylamino)-6-(3-methylbenzofuran-2- carboxamido)-7-oxohept-2-enoate
III-52:		(S,E)-methyl 7-(1-(2-(3- chloroadamantane-1-amino)-2- oxoethyl)-2-oxo-1,2-dihydropyridin-3- ylamino)-6-(3-methylbenzofuran-2- carboxamido)-7-oxohept-2-enoate
III-53:		(S,E)-methyl 7-(1-(2-(3- bromoadamantane-1-amino)-2- oxoethyl)-2-oxo-1,2-dihydropyridin-3- ylamino)-6-(3-methylbenzofuran-2- carboxamido)-7-oxohept-2-enoate
III-54:		(S,E)-methyl 7-(1-(2-(3-methyl adamantane-3-carboxylate-1-amino)-2- oxoethyl)-2-oxo-1,2-dihydropyridin-3- ylamino)-6-(3-methylbenzofuran-2- carboxamido)-7-oxohept-2-enoate
III-55:		(S,E)-methyl 7-(1-(2-(4,4- difluoroadamantane-1-amino)-2- oxoethyl)-2-oxo-1,2-dihydropyridin-3- ylamino)-6-(3-methylbenzofuran-2- carboxamido)-7-oxohept-2-enoate
III-56:		(S,E)-methyl 7-(1-(2-(1- adamantylmethylamino)-2-oxoethyl)-2- oxo-1,2-dihydropyridin-3-ylamino)-6-(3- methylbenzofuran-2-carboxamido)-7- oxohept-2-enoate
III-57:		(S,E)-methyl 7-(1-(2-(1-(1- adamantyl)ethanamino)-2-oxoethyl)-2- oxo-1,2-dihydropyridin-3-ylamino)-6-(3- methylbenzofuran-2-carboxamido)-7- oxohept-2-enoate
III-58:		(S,E)-methyl 7-(1-(2-((1R,2S,4S)- bicyclo[2.2.1]heptan-2-ylamino)-2- oxoethyl)-2-oxo-1,2-dihydropyridin-3- ylamino)-6-(1-methyl-1H-imidazole-5- carboxamido)-7-oxohept-2-enoate
III-59:		(S,E)-methyl 7-(1-(2-((1S,2R,4R)- bicyclo[2.2.1]heptan-2-ylamino)-2- oxoethyl)-2-oxo-1,2-dihydropyridin-3- ylamino)-6-(3-methylbenzofuran-2- carboxamido)-7-oxohept-2-enoate
III-60:		(S,E)-methyl 6-(1-methyl-1H-imidazole- 5-carboxamido)-7-oxo-7-(2-oxo-1-(2- oxo-2-((1S,2S,4R)-1,7,7- trimethylbicyclo[2.2.1]heptan-2- ylamino)ethyl)-1,2-dihydropyridin-3- ylamino)hept-2-enoate
III-61:		(S,E)-methyl 6-(3-methylbenzofuran-2- carboxamido)-7-oxo-7-(2-oxo-1-(2-oxo- 2-((1S,2S,4R)-1,7,7- trimethylbicyclo[2.2.1]heptan-2- ylamino)ethyl)-1,2-dihydropyridin-3- ylamino)hept-2-enoate
III-62:		(S,E)-methyl 7-(1-(2-((1R,2R,4S)- bicyclo[2.2.1]heptan-2-ylamino)-2- oxoethyl)-2-oxo-1,2-dihydropyridin-3- ylamino)-6-(1-methyl-1H-imidazole-5- carboxamido)-7-oxohept-2-enoate
III-63:		(S,E)-methyl 7-(1-(2-((1R,2R,4S)- bicyclo[2.2.1]heptan-2-ylamino)-2- oxoethyl)-2-oxo-1,2-dihydropyridin-3- ylamino)-6-(3-methylbenzofuran-2- carboxamido)-7-oxohept-2-enoate
III-64:		(S,E)-methyl 7-(1-(2- (bicyclo[2.2.1]heptan-1-ylamino)-2- oxoethyl)-2-oxo-1,2-dihydropyridin-3- ylamino)-6-(3-methylbenzofuran-2- carboxamido)-7-oxohept-2-enoate
III-65:		(S,E)-methyl 7-(1-(2- (bicyclo[2.2.1]heptan-7-ylamino)-2- oxoethyl)-2-oxo-1,2-dihydropyridin-3- ylamino)-6-(3-methylbenzofuran-2- carboxamido)-7-oxohept-2-enoate
III-66:		(S,E)-methyl 7-(1-(2- (bicyclo[2.2.1]hept-5-en-2-ylamino)-2- oxoethyl)-2-oxo-1,2-dihydropyridin-3- ylamino)-6-(3-methylbenzofuran-2- carboxamido)-7-oxohept-2-enoate
III-67:		(6S,E)-methyl 7-(1-(2- (bicyclo[2.2.2]octan-2-ylamino)-2- oxoethyl)-2-oxo-1,2-dihydropyridin-3- ylamino)-6-(3-methylbenzofuran-2- carboxamido)-7-oxohept-2-enoate
III-68:		(S,E)-methyl 6-(3-methylbenzofuran-2- carboxamido)-7-oxo-7-(2-oxo-1-(2-oxo- 2-((1R,2R,4R)-1,7,7- trimethylbicyclo[2.2.1]heptan-2- ylamino)ethyl)-1,2-dihydropyridin-3- ylamino)hept-2-enoate
III-69:	.	(S,E)-methyl 6-(3-methylbenzofuran-2- carboxamido)-7-oxo-7-(2-oxo-1-(2-oxo- 2-((1R,2R,3R,5S)-2,6,6- trimethylbicyclo[3.1.1]heptan-3- ylamino)ethyl)-1,2-dihydropyridin-3- ylamino)hept-2-enoate
III-70:		(S,E)-methyl 6-(3-methylbenzofuran-2- carboxamido)-7-oxo-7-(2-oxo-1-(2-oxo- 2-((1S,2S,3S,5R)-2,6,6- trimethylbicyclo[3.1.1]heptan-3- ylamino)ethyl)-1,2-dihydropyridin-3- ylamino)hept-2-enoate
III-71:		(S,E)-methyl 7-(1-(2-(((1S,2R,5S)-6,6- dimethylbicyclo[3.1.1]heptan-2- yl)methylamino)-2-oxoethyl)-2-oxo-1,2- dihydropyridin-3-ylamino)-6-(3- methylbenzofuran-2-carboxamido)-7- oxohept-2-enoate
III-72:		(S,E)-methyl 7-(1-(2-(4- homoisotwistane-3-amino)-2-oxoethyl)- 2-oxo-1,2-dihydropyridin-3-ylamino)-6- (3-methylbenzofuran-2-carboxamido)- 7-oxohept-2-enoate
III-73:		(S,E)-methyl 7-(1-(2-(diamantane-1- amino)-2-oxoethyl)-2-oxo-1,2- dihydropyridin-3-ylamino)-6-(3- methylbenzofuran-2-carboxamido)-7- oxohept-2-enoate
III-74:		(S,E)-methyl 7-(1-(2-(diamantane-4- amino)-2-oxoethyl)-2-oxo-1,2- dihydropyridin-3-ylamino)-6-(3- methylbenzofuran-2-carboxamido)-7- oxohept-2-enoate
III-75:		(S,E)-N7-(1-(2-(2-adamantylamino)-2- oxoethyl)-2-oxo-1,2-dihydropyridin-3- yl)-N1,N1-dimethyl-6-(3- methylbenzofuran-2-carboxamido)hept- 2-enediamide
III-76:		(S,E)-N7-(1-(2-(2-adamantylamino)-2- oxoethyl)-2-oxo-1,2-dihydropyridin-3- yl)-N1,N1-dimethyl-6-(1-methyl-1H- imidazole-5-carboxamido)hept-2- enediamide
III-77:		(S,E)-N7-(1-(2-(3,5- dimethyladamantane-1-amino)-2- oxoethyl)-2-oxo-1,2-dihydropyridin-3- yl)-N1,N1-dimethyl-6-(3- methylbenzofuran-2-carboxamido)hept- 2-enediamide
III-78:		(S,E)-methyl 7-(1-(1-adamantylmethyl)- 2-oxo-1,2-dihydropyridin-3-ylamino)-6- (1-methyl-1H-imidazole-5- carboxamido)-7-oxohept-2-enoate
III-79:		(S,E)-methyl 7-(1-(1-adamantylmethyl)- 2-oxo-1,2-dihydropyridin-3-ylamino)-6- (3-methylbenzofuran-2-carboxamido)- 7-oxohept-2-enoate
III-80:		(6S,E)-methyl 7-(1-((3-hydroxy-1- adamantyl)methyl)-2-oxo-1,2- dihydropyridin-3-ylamino)-6-(3- methylbenzofuran-2-carboxamido)-7- oxohept-2-enoate
III-81:		(6S,E)-methyl 7-(1-((3-bromo-1- adamantyl)methyl)-2-oxo-1,2- dihydropyridin-3-ylamino)-6-(3- methylbenzofuran-2-carboxamido)-7- oxohept-2-enoate
III-82:		(S,E)-methyl 7-(1-(2-adamantylmethyl)- 2-oxo-1,2-dihydropyridin-3-ylamino)-6- (3-methylbenzofuran-2-carboxamido)- 7-oxohept-2-enoate
III-83:		(S,E)-methyl 7-(1-(2-(2- adamantylamino)-2-oxoethyl)-2-oxo- 1,2-dihydropyridin-3-ylamino)-6- (nicotinamido)-7-oxohept-2-enoate
III-84:		(S,E)-methyl 6-(isonicotinamido)-7-(1- (2-(2-adamantylamino)-2-oxoethyl)-2- oxo-1,2-dihydropyridin-3-ylamino)-7- oxohept-2-enoate
III-85:		(S,E)-methyl 7-(1-(2-(2- adamantylamino)-2-oxoethyl)-2-oxo- 1,2-dihydropyridin-3-ylamino)-7-oxo-6- (pyridazine-4-carboxamido)hept-2- enoate
III-86:		(S,E)-methyl 7-(1-(2-(2- adamantylamino)-2-oxoethyl)-2-oxo- 1,2-dihydropyridin-3-ylamino)-7-oxo-6- (pyridazine-3-carboxamido)hept-2- enoate
III-87:		(S,E)-methyl 7-(1-(2-(1- adamantylamino)-2-oxoethyl)-2-oxo- 1,2-dihydropyridin-3-ylamino)-6-(1- methyl-1H-imidazole-2-carboxamido)- 7-oxohept-2-enoate
III-88:		(S,E)-methyl 7-(1-(2-(3,5- dimethyladamantane)-2-oxoethyl)-2- oxo-1,2-dihydropyridin-3-ylamino)-6-(1- methyl-1H-imidazole-5-carboxamido)- 7-oxohept-2-enoate
III-89:		(S,E)-ethyl 7-(1-(2-(2- adamantylamino)-2-oxoethyl)-2-oxo- 1,2-dihydropyridin-3-ylamino)-6-(3- methylbenzofuran-2-carboxamido)-7- oxohept-2-enoate
III-90:		(S,E)-N-(1-(1-(2-(2-adamantylamino)-2- oxoethyl)-2-oxo-1,2-dihydropyridin-3- ylamino)-6-(methylsulfonyl)-1-oxohex- 5-en-2-yl)-3-methylbenzofuran-2- carboxamide
III-91:		(S,E)-methyl 7-(1-(2-(3,5,7-trimethyl-1- adamantylamino)-2-oxoethyl)-2-oxo- 1,2-dihydropyridin-3-ylamino)-6-(1- methyl-1H-imidazole-5-carboxamido)- 7-oxohept-2-enoate
III-92		(S,E)-methyl 7-(1-(2-(3,5,7-trimethyl- 1-adamantylamino)-2-oxoethyl)-2-oxo- 1,2-dihydropyridin-3-ylamino)-6-(3- methylbenzofuran-2-carboxamido)-7- oxohept-2-enoate
III-93		(S,E)-methyl 7-(1-(2-(3,5,7-trimethyl-1- adamantylamino)-2-oxoethyl)-2-oxo- 1,2-dihydropyridin-3-ylamino)-6-(1- methyl-1H-1,2,3-triazole-5- carboxamido)-7-oxohept-2-enoate
III-94		(S,E)-methyl 6-(2,5-dichlorothiophene- 3-carboxamido)-7-(1-(2-(3,5,7- trimethyl-1-adamantylamino)-2- oxoethyl)-2-oxo-1,2-dihydropyridin-3- ylamino)-7-oxohept-2-enoate
III-95		(S,E)-methyl 7-(1-(2-(3,5,7-trimethyl-1- adamantylamino)-2-oxoethyl)-2-oxo- 1,2-dihydropyridin-3-ylamino)-6-(4- methyl-2-(trifluoromethyl)thiazole-5- carboxamido)-7-oxohept-2-enoate
III-96		(6S,E)-methyl 7-(1-(2-((1R,2R,4S)- bicyclo[2.2.1]heptan-2-ylamino)-2- oxoethyl)-2-oxo-1,2-dihydropyridin-3- ylamino)-6-(1-methyl-1H-1,2,3-triazole- 5-carboxamido)-7-oxohept-2-enoate
III-97		(6S,E)-methyl 7-(1-(2-((1R,2R,4S)- bicyclo[2.2.1]heptan-2-ylamino)-2- oxoethyl)-2-oxo-1,2-dihydropyridin-3- ylamino)-6-(2,5-dichlorothiophene-3- carboxamido)-7-oxohept-2-enoate
III-98		(6S,E)-methyl 7-(1-(2-((1R,2R,4S)- bicyclo[2.2.1]heptan-2-ylamino)-2- oxoethyl)-2-oxo-1,2-dihydropyridin-3- ylamino)-6-(4-methyl-2- (trifluoromethyl)thiazole-5- carboxamido)-7-oxohept-2-enoate
III-99		(S,E)-ethyl 7-(1-(2-(2- adamantylamino)-2-oxoethyl)-2-oxo- 1,2-dihydropyridin-3-ylamino)-6-(1- methyl-1H-imidazole-5-carboxamido)- 7-oxohept-2-enoate
III-100		(S,E)-N-(1-(1-(2-(2-adamantylamino)-2- oxoethyl)-2-oxo-1,2-dihydropyridin-3- ylamino)-6-(methylsulfonyl)-1-oxohex- 5-en-2-yl)-1-methyl-1H-imidazole-5- carboxamide
III-101		(S,E)-methyl 7-(1-(2-(2- adamantylamino)-2-oxoethyl)-2-oxo- 1,2-dihydropyridin-3-ylamino)-7-oxo-6- (2H-1,2,3-triazole-4-carboxamido)hept- 2-enoate
III-102		(S,E)-methyl 7-(1-(2-(2- adamantylamino)-2-oxoethyl)-2-oxo- 1,2-dihydropyridin-3-ylamino)-7-oxo-6- (1H-1,2,3-triazole-4-carboxamido)hept- 2-enoate
III-103		(S,E)-methyl 7-(1-(2-(2- adamantylamino)-2-oxoethyl)-2-oxo- 1,2-dihydropyridin-3-ylamino)-6-(1- methyl-1H-1,2,3-triazole-4- carboxamido)-7-oxohept-2-enoate
III-104		(S,E)-methyl 7-(1-(2-(2- adamantylamino)-2-oxoethyl)-2-oxo- 1,2-dihydropyridin-3-ylamino)-7-oxo-6- (1H-1,2,4-triazole-3-carboxamido)hept- 2-enoate
III-105		(S,E)-methyl 7-(1-(2-(2- adamantylamino)-2-oxoethyl)-2-oxo- 1,2-dihydropyridin-3-ylamino)-6-(1- methyl-1H-1,2,4-triazole-3- carboxamido)-7-oxohept-2-enoate
III-106		(S,E)-methyl 6-(benzofuran-3- carboxamido)-7-(1-(2-(2- adamantylamino)-2-oxoethyl)-2-oxo- 1,2-dihydropyridin-3-ylamino)-7- oxohept-2-enoate
III-107		(S,E)-methyl 6-(benzo[b]thiophene-3- carboxamido)-7-(1-(2-(2- adamantylamino)-2-oxoethyl)-2-oxo- 1,2-dihydropyridin-3-ylamino)-7- oxohept-2-enoate
III-108		(S,E)-methyl 7-(1-(2-(3,5,7-trimethyl-1- adamantylamino)-2-oxoethyl)-2-oxo- 1,2-dihydropyridin-3-ylamino)-6-(4- methyl-1,2,3-thiadiazole-5- carboxamido)-7-oxohept-2-enoate
III-109		(S,E)-methyl 7-(1-(2-(3,5,7-trimethyl-1- adamantylamino)-2-oxoethyl)-2-oxo- 1,2-dihydropyridin-3-ylamino)-6-(1- methyl-1H-pyrazole-5-carboxamido)-7- oxohept-2-enoate
III-110		(S,E)-methyl 7-(1-(2-((1R,2R,4S)- bicyclo[2.2.1]heptan-2-ylamino)-2- oxoethyl)-2-oxo-1,2-dihydropyridin-3- ylamino)-6-(4-methyl-1,2,3-thiadiazole- 5-carboxamido)-7-oxohept-2-enoate
III-111		(S,E)-methyl 7-(1-(2-((1R,2R,4S)- bicyclo[2.2.1]heptan-2-ylamino)-2- oxoethyl)-2-oxo-1,2-dihydropyridin-3- ylamino)-6-(1-methyl-1H-pyrazole-5- carboxamido)-7-oxohept-2-enoate
III-112		(S,E)-methyl 7-(1-(2-(3,5- dimethyladamantane-1-amino)-2- oxoethyl)-2-oxo-1,2-dihydropyridin-3- ylamino)-6-(4-methyl-1,2,3-thiadiazole- 5-carboxamido)-7-oxohept-2-enoate
III-113		(S,E)-methyl 7-(1-(2-(3,5- dimethyladamantane-1-amino)-2- oxoethyl)-2-oxo-1,2-dihydropyridin-3- ylamino)-6-(1-methyl-1H-pyrazole-5- carboxamido)-7-oxohept-2-enoate
III-114		(S,E)-methyl 7-(1-(2-(3,5- dimethyladamantane-1-amino)-2- oxoethyl)-2-oxo-1,2-dihydropyridin-3- ylamino)-6-(1-methyl-1H-1,2,3-triazole- 5-carboxamido)-7-oxohept-2-enoate
III-115		(S,E)-methyl 7-(1-(2-((1S,2R,4R)- bicyclo[2.2.1]heptan-2-ylamino)-2- oxoethyl)-2-oxo-1,2-dihydropyridin-3- ylamino)-6-(4-methyl-1,2,3-thiadiazole- 5-carboxamido)-7-oxohept-2-enoate
III-116		(S,E)-methyl 7-(1-(2-((1S,2R,4R)- bicyclo[2.2.1]heptan-2-ylamino)-2- oxoethyl)-2-oxo-1,2-dihydropyridin-3- ylamino)-6-(1-methyl-1H-1,2,3-triazole- 5-carboxamido)-7-oxohept-2-enoate
III-117		(S,E)-methyl 7-(1-(2-((1S,2R,4R)- bicyclo[2.2.1]heptan-2-ylamino)-2- oxoethyl)-2-oxo-1,2-dihydropyridin-3- ylamino)-6-(1-methyl-1H-pyrazole-5- carboxamido)-7-oxohept-2-enoate
III-118		(S,E)-methyl 7-(1-(2-(2- adamantylamino)-2-oxoethyl)-2-oxo- 1,2-dihydropyridin-3-ylamino)-6-(4- methyl-1,2,3-thiadiazole-5- carboxamido)-7-oxohept-2-enoate
III-119		(S,E)-methyl 7-(1-(2-(2- adamantylamino)-2-oxoethyl)-2-oxo- 1,2-dihydropyridin-3-ylamino)-6-(1- methyl-1H-pyrazole-5-carboxamido)-7- oxohept-2-enoate
III-120		(S,E)-methyl 6-(4-methyl-1,2,3- thiadiazole-5-carboxamido)-7-oxo-7-(2- oxo-1-(2-oxo-2-((1R,2S,4R)-1,7,7- trimethylbicyclo[2.2.1]heptan-2- ylamino)ethyl)-1,2-dihydropyridin-3- ylamino)hept-2-enoate
III-121		(S,E)-methyl 6-(1-methyl-1H-1,2,3- triazole-5-carboxamido)-7-oxo-7-(2- oxo-1-(2-oxo-2-((1R,2S,4R)-1,7,7- trimethylbicyclo[2.2.1]heptan-2- ylamino)ethyl)-1,2-dihydropyridin-3- ylamino)hept-2-enoate
III-122		(S,E)-methyl 6-(1-methyl-1H-pyrazole- 5-carboxamido)-7-oxo-7-(2-oxo-1-(2- oxo-2-((1R,2S,4R)-1,7,7- trimethylbicyclo[2.2.1]heptan-2- ylamino)ethyl)-1,2-dihydropyridin-3- ylamino)hept-2-enoate
III-123		(S,E)-methyl 7-(1-(2-(3,5- dimethyladamantane-1-amino)-2- oxoethyl)-2-oxo-1,2-dihydropyridin-3- ylamino)-6-(4-methyl-2- (trifluoromethyl)thiazole-5- carboxamido)-7-oxohept-2-enoate
III-124		(S,E)-methyl 6-(2,5-dichlorothiophene- 3-carboxamido)-7-(1-(2-(3,5- dimethyladamantane-1-amino)-2- oxoethyl)-2-oxo-1,2-dihydropyridin-3- ylamino)-7-oxohept-2-enoate
III-125		(S,E)-methyl 7-(1-(2-((1S,2R,4R)- bicyclo[2.2.1]heptan-2-ylamino)-2- oxoethyl)-2-oxo-1,2-dihydropyridin-3- ylamino)-6-(4-methyl-2- (trifluoromethyl)thiazole-5- carboxamido)-7-oxohept-2-enoate
III-126		(S,E)-methyl 7-(1-(2-((1S,2R,4R)- bicyclo[2.2.1]heptan-2-ylamino)-2- oxoethyl)-2-oxo-1,2-dihydropyridin-3- ylamino)-6-(2,5-dichlorothiophene-3- carboxamido)-7-oxohept-2-enoate
III-127		(S,E)-methyl 6-(4-methyl-2- (trifluoromethyl)thiazole-5- carboxamido)-7-oxo-7-(2-oxo-1-(2-oxo- 2-((1R,2S,4R)-1,7,7- trimethylbicyclo[2.2.1]heptan-2- ylamino)ethyl)-1,2-dihydropyridin-3- ylamino)hept-2-enoate
III-128		(S,E)-methyl 6-(2,5-dichlorothiophene- 3-carboxamido)-7-oxo-7-(2-oxo-1-(2- oxo-2-((1R,2S,4R)-1,7,7- trimethylbicyclo[2.2.1]heptan-2- ylamino)ethyl)-1,2-dihydropyridin-3- ylamino)hept-2-enoate
III-129		(S,E)-methyl 7-(1-(2-(2- adamantylamino)-2-oxoethyl)-2-oxo- 1,2-dihydropyridin-3-ylamino)-6-(1- methyl-1H-pyrazole-3-carboxamido)-7- oxohept-2-enoate
III-130		(S,E)-methyl 7-(1-(2-(2- adamantylamino)-2-oxoethyl)-2-oxo- 1,2-dihydropyridin-3-ylamino)-6-(1- methyl-1H-pyrazole-4-carboxamido)-7- oxohept-2-enoate
III-131		(S,E)-methyl 6-(4-tert-butyl-1H-pyrrole- 3-carboxamido)-7-(1-(2-(1- adamantylamino)ethyl)-2-oxo-1,2- dihydropyridin-3-ylamino)-7-oxohept-2- enoate
III-132		(S,E)-methyl 6-(4-cyano-1-methyl-1H- pyrrole-2-carboxamido)-7-(1-(3-(1- adamantylamino)propyl)-2-oxo-1,2- dihydropyridin-3-ylamino)-7-oxohept-2- enoate
III-133		(S,E)-methyl 7-(1-(3-(2- adamantylamino)-3-oxopropyl)-2-oxo- 1,2-dihydropyridin-3-ylamino)-6-(5- methoxyoxazole-2-carboxamido)-7- oxohept-2-enoate
III-134		(S,E)-methyl 7-(1-(2- (bicyclo[2.1.1]hexan-1-ylamino)-2- oxoethyl)-2-oxo-1,2-dihydropyridin-3- ylamino)-6-(2-isopropyloxazole-5- carboxamido)-7-oxohept-2-enoate
III-135		(6S,E)-methyl 7-(1-(2- (bicyclo[3.2.1]octan-8-ylamino)-2- oxoethyl)-2-oxo-1,2-dihydropyridin-3- ylamino)-6-(3,5-dimethylisoxazole-4- carboxamido)-7-oxohept-2-enoate
III-136		(S,E)-methyl 7-(1-(2-(5-carboxy-2- aminoadamantane)-2-oxoethyl)-2-oxo- 1,2-dihydropyridin-3-ylamino)-6-(4- methylpyrimidine-5-carboxamido)-7- oxohept-2-enoate
III-137		(6S,E)-methyl 7-(1-(2-(4- aminoadamantane-N,N-dimethyl-1- carboxamide)-2-oxoethyl)-2-oxo-1,2- dihydropyridin-3-ylamino)-7-oxo-6- (1,2,3,4-tetrahydronaphthalene-2- carboxamido)hept-2-enoate
III-138		(S,E)-6-(2-acetyloxazole-4- carboxamido)-N7-(1-(2- (bicyclo[1.1.1]pentan-1-ylamino)-2- oxoethyl)-2-oxo-1,2-dihydropyridin-3- yl)-N1,N1-diethylhept-2-enediamide
III-139		(S,E)-N7-(1-(2-(bicyclo[1.1.1]pentan-1- ylamino)-2-oxoethyl)-2-oxo-1,2- dihydropyridin-3-yl)-6-((S)-1,4- diazabicyclo[2.2.2]octane-2- carboxamido)-N1,N1-diethylhept-2- enediamide
III-140		(S,E)-N7-(1-(2-(bicyclo[1.1.1]pentan-1- ylamino)-2-oxoethyl)-2-oxo-1,2- dihydropyridin-3-yl)-6-(1H-indole-3- carboxamido)-N1-isopropylhept-2- enediamide
III-141		(S,E)-N7-(1-(2-(bicyclo[1.1.1]pentan-1- ylamino)-2-oxoethyl)-2-oxo-1,2- dihydropyridin-3-yl)-N1-isopropyl-6-(6- methylimidazo[2,1-b]thiazole-3- carboxamido)hept-2-enediamide
III-142		(S,E)-6-(benzo[d]thiazole-2- carboxamido)-N7-(1-(2- (bicyclo[1.1.1]pentan-1-ylamino)-2- oxoethyl)-2-oxo-1,2-dihydropyridin-3- yl)-N1-pentylhept-2-enediamide
III-143		(S,E)-N7-(1-(2-(bicyclo[1.1.1]pentan-1- ylamino)-2-oxoethyl)-2-oxo-1,2- dihydropyridin-3-yl)-6-(imidazo[2,1- b]thiazole-6-carboxamido)-N1- pentylhept-2-enediamide
III-144		(S,E)-N7-(1-(2-(bicyclo[1.1.1]pentan-1- ylamino)-2-oxoethyl)-2-oxo-1,2- dihydropyridin-3-yl)-N1-cyclopropyl-6- (4-hydroxy-6- (trifluoromethoxy)quinoline-3- carboxamido)hept-2-enediamide
III-145		(S,E)-N7-(1-(2-(bicyclo[1.1.1]pentan-1- ylamino)-2-oxoethyl)-2-oxo-1,2- dihydropyridin-3-yl)-6-(cinnoline-3- carboxamido)-N1-cyclopropylhept-2- enediamide
III-146		(S,E)-N7-(1-(2-(bicyclo[1.1.1]pentan-1- ylamino)-2-oxoethyl)-2-oxo-1,2- dihydropyridin-3-yl)-N1-cyclopentyl-6- (2-methyl-1,8-naphthyridine-3- carboxamido)hept-2-enediamide
III-147		(S,E)-N7-(1-(2-(bicyclo[1.1.1]pentan-1- ylamino)-2-oxoethyl)-2-oxo-1,2- dihydropyridin-3-yl)-N1-cyclopentyl-6- (3-ethylbenzofuran-2- carboxamido)hept-2-enediamide
III-148		(S,E)-N7-(1-(2-(bicyclo[1.1.1]pentan-1- ylamino)-2-oxoethyl)-2-oxo-1,2- dihydropyridin-3-yl)-N1-cyclohexyl-6-(1- ethyl-1H-indole-2-carboxamido)hept-2- enediamide
III-149		(S,E)-N7-(1-(2-(bicyclo[1.1.1]pentan-1- ylamino)-2-oxoethyl)-2-oxo-1,2- dihydropyridin-3-yl)-N1-cyclohexyl-6- (1,2,3,4-tetrahydroquinoline-7- carboxamido)hept-2-enediamide
III-150		(S,E)-N1-allyl-N7-(1-(2- (bicyclo[1.1.1]pentan-1-ylamino)-2- oxoethyl)-2-oxo-1,2-dihydropyridin-3- yl)-6-(1,6-naphthyridine-2- carboxamido)hept-2-enediamide
III-151		(S,E)-N1-allyl-N7-(1-(2- (bicyclo[1.1.1]pentan-1-ylamino)-2- oxoethyl)-2-oxo-1,2-dihydropyridin-3- yl)-6-(2,6-naphthyridine-1- carboxamido)hept-2-enediamide
III-152		(S,E)-N7-(1-(2-(bicyclo[1.1.1]pentan-1- ylamino)-2-oxoethyl)-2-oxo-1,2- dihydropyridin-3-yl)-6-(5-bromo-2- methylfuran-3-carboxamido)-N1- phenylhept-2-enediamide
III-153		(S,E)-N7-(1-(2-(bicyclo[1.1.1]pentan-1- ylamino)-2-oxoethyl)-2-oxo-1,2- dihydropyridin-3-yl)-6-(2,5- dimethylfuran-3-carboxamido)-N1- phenylhept-2-enediamide
III-154		(S,E)-N1-benzyl-N7-(1-(2- (bicyclo[1.1.1]pentan-1-ylamino)-2- oxoethyl)-2-oxo-1,2-dihydropyridin-3- yl)-6-(2,5-dichlorothiazole-4- carboxamido)hept-2-enediamide
III-155		(S,E)-N1-benzyl-N7-(1-(2- (bicyclo[1.1.1]pentan-1-ylamino)-2- oxoethyl)-2-oxo-1,2-dihydropyridin-3- yl)-6-(4-bromothiazole-2- carboxamido)hept-2-enediamide
III-156		(S,E)-benzyl 7-(1-(2- (bicyclo[1.1.1]pentan-1-ylamino)-2- oxoethyl)-2-oxo-1,2-dihydropyridin-3- ylamino)-6-(4-methyl-2-phenylthiazole- 5-carboxamido)-7-oxohept-2-enoate
III-157		(S,E)-N-(1-(1-(2-(bicyclo[1.1.1]pentan- 1-ylamino)-2-oxoethyl)-2-oxo-1,2- dihydropyridin-3-ylamino)-1,7-dioxo-7- phenylhept-5-en-2-yl)-1-methyl-1H- imidazole-2-carboxamide
III-158		(S,E)-isopropyl 7-(1-(2- (bicyclo[2.1.1]hexan-1-ylamino)-2- oxoethyl)-2-oxo-1,2-dihydropyridin-3- ylamino)-7-oxo-6-(2H-1,2,3-triazole-4- carboxamido)hept-2-enoate
III-159		N-((2S,E)-1-(1-(2-(bicyclo[3.2.1]octan- 8-ylamino)-2-oxoethyl)-2-oxo-1,2- dihydropyridin-3-ylamino)-1,7-dioxooct- 5-en-2-yl)-1-methyl-1H-1,2,4-triazole-3- carboxamide
III-160		(S,E)-methyl 6-(4-amino-1,2,5- oxadiazole-3-carboxamido)-7-(1-(2- (bicyclo[1.1.1]pentan-1-ylamino)-2- oxoethyl)-2-oxo-1,2-dihydropyridin-3- ylamino)-7-oxohept-2-enoate
III-161		(S,E)-methyl 7-(1-(2- (bicyclo[1.1.1]pentan-1-ylamino)-2- oxoethyl)-2-oxo-1,2-dihydropyridin-3- ylamino)-6-(6- (dimethylamino)benzofuran-2- carboxamido)-7-oxohept-2-enoate
III-162		(S,E)-methyl 6-(2-acetamidothiazole-5- carboxamido)-7-(1-(2- (bicyclo[1.1.1]pentan-1-ylamino)-2- oxoethyl)-2-oxo-1,2-dihydropyridin-3- ylamino)-7-oxohept-2-enoate
III-163		(S,E)-methyl 7-(1-(2- (bicyclo[1.1.1]pentan-1-ylamino)-2- oxoethyl)-2-oxo-1,2-dihydropyridin-3- ylamino)-6-(5-carbamoyl-1H-pyrrole-3- carboxamido)-7-oxohept-2-enoate
III-164		(S,E)-methyl 7-(1-(2-(1-acetylamino-4- aminoadamantane)-2-oxoethyl)-2-oxo- 1,2-dihydropyridin-3-ylamino)-7-oxo-6- (5-sulfamoylfuran-3-carboxamido)hept- 2-enoate
III-165		(S,E)-methyl 6-(benzofuran-5- carboxamido)-7-(1-(2-(1-acetylamino-4- aminoadamantane)-2-oxoethyl)-2-oxo- 1,2-dihydropyridin-3-ylamino)-7- oxohept-2-enoate
III-166		(S,E)-methyl 6-(benzofuran-6- carboxamido)-7-(1-(2-(4- aminoadamantane-1-carboxamide)-2- oxoethyl)-2-oxo-1,2-dihydropyridin-3- ylamino)-7-oxohept-2-enoate
III-167		(S,E)-methyl 7-(1-(2-(4- aminoadamantane-1-carboxamide)-2- oxoethyl)-2-oxo-1,2-dihydropyridin-3- ylamino)-6-(3-(1-methylcyclopropyl)- 1,2,4-oxadiazole-5-carboxamido)-7- oxohept-2-enoate
III-168		(S,E)-methyl 7-(1-(2- (bicyclo[1.1.1]pentan-1-ylamino)-2- oxoethyl)-2-oxo-1,2-dihydropyridin-3- ylamino)-6-(5-methyl-1,2,4-oxadiazole- 3-carboxamido)-7-oxohept-2-enoate
III-169		(S,E)-methyl 7-(1-(2- (bicyclo[1.1.1]pentan-1-ylamino)-2- oxoethyl)-2-oxo-1,2-dihydropyridin-3- ylamino)-7-oxo-6-(1,2,3-thiadiazole-4- carboxamido)hept-2-enoate
III-170		(S,E)-methyl 7-(1-(2- (bicyclo[1.1.1]pentan-1-ylamino)-2- oxoethyl)-2-oxo-1,2-dihydropyridin-3- ylamino)-7-oxo-6-(1,2,4-thiadiazole-5- carboxamido)hept-2-enoate
III-171		(S,E)-methyl 7-(1-(2- (bicyclo[1.1.1]pentan-1-ylamino)-2- oxoethyl)-2-oxo-1,2-dihydropyridin-3- ylamino)-7-oxo-6-(1,3,4-thiadiazole-2- carboxamido)hept-2-enoate
III-172		(S,E)-methyl 7-(1-(2- (bicyclo[1.1.1]pentan-1-ylamino)-2- oxoethyl)-2-oxo-1,2-dihydropyridin-3- ylamino)-6-(4-cyclopropyl-1,2,3- thiadiazole-5-carboxamido)-7-oxohept- 2-enoate
III-173		(S,E)-methyl 7-(1-(2- (bicyclo[1.1.1]pentan-1-ylamino)-2- oxoethyl)-2-oxo-1,2-dihydropyridin-3- ylamino)-7-oxo-6-(1,2,5-thiadiazole-3- carboxamido)hept-2-enoate
III-174		(S,E)-methyl 6-(4-formyl-1,2,3- thiadiazole-5-carboxamido)-7-(1-(2-(2- carboxy-2-amino-5- (trifluoromethyl)adamantane)-2- oxoethyl)-2-oxo-1,2-dihydropyridin-3- ylamino)-7-oxohept-2-enoate
III-175		(S,E)-methyl 6-(4-(hydroxymethyl)- 1,2,3-thiadiazole-5-carboxamido)-7-(1- (2-(2-adamantylamino)-2-oxoethyl)-2- oxo-1,2-dihydropyridin-3-ylamino)-7- oxohept-2-enoate

• • or a pharmaceutically acceptable salt thereof.

In very preferred embodiment the present invention refers to the compounds selected from the group consisting of: III-1, III-2, III-3, III-4, III-5, III-6, III-7, III-8, III-9, III-10, III-11, III-12, III-13, III-14, III-15, III-16, III-17, III-18, III-19, III-20, III-21, III-22, III-23, III-24, III-25, III-26, III-27, III-29, III-30, III-31, III-32, III-33, III-34, III-35, III-36, III-37, III-38, III-39, III-40, III-41, III-42, III-43, III-44, III-45, III-46, III-48, III-49, III-50, III-51, III-52, III-53, III-54, III-55, III-56, III-57, III-58, III-59, III-60, III-61, III-62, III-63, III-64, III-65, III-66, III-67, III-68, III-69, III-70, III-71, III-72, III-73, III-74, III-75, III-76, III-77, III-83, III-84, III-85, III-86, III-87, III-88, III-89, III-90, III-91, III-92, III-93, III-94, III-95, III-96, III-97, III-98, III-99, III-100, III-101, III-102, III-103, III-104, III-105, III-106, III-107, III-108, III-109, III-110, III-111, III-112, III-113, III-114, III-115, III-116, III-117, III-118, III-119, III-120, III-121, III-122, III-123, III-124, III-125, III-126, III-127, III-128, III-129, III-130, III-134, III-135, III-140, III-142, III-145, III-147, III-148, III-150, III-152, III-153, III-155, III-165, III-166, III-169, III-170, III-171, III-172, and III-173;

• • or a pharmaceutically acceptable salt thereof.

Method for Production of Inventive Compounds

In some embodiments, the present invention relates to a method for the synthesis of a compound of formula (I), especially any compound of any one of the formulae (Ia)-(Ie):

A further aspect of the present invention relates to the production of compounds of the formula (Ic).

As shown in Scheme 1, the method for producing the compound of the formula (Ic): comprises the following steps in the following order:

• • Step 1C: providing a compound 4c

• • Step 2C: performing coupling reaction of the compound 4c with a compound 5

• • • to obtain a compound 6c

• • Step 3C: deprotecting an amino protecting group PG³ to obtain a compound 7c

• • Step 4C: performing coupling reaction of the compound 7c with a carboxylic acid (R²—CO₂H 8) to produce the compound of the formula (Ic)

• • wherein L, R², R³, R⁵ have the same meanings as defined above above in formula (Ic), and PG³ is an amino protecting group.

Optionally, Step 1C′ is carried out before the step 1C:

• • (a) providing a protected aldehyde 1

• • (b) performing a coupling reaction of the aldehyde 1 with a triphenyl phosphonium ylide 2c to obtain an intermediate compound 3c;

• • or alternatively
  • (b′) performing a coupling reaction of the aldehyde 1 with a phosphonate 2c′ to obtain an intermediate compound 3c;

• • (c) deprotecting the protecting groups PG¹ and PG² of the compound 3c and introducing an amino protecting group PG³ to obtain a compound 4c.

Therefore, the following method for the production of compounds of the formula (Ic) is preferred:

• • Step 1C′:
    • (a) providing a protected aldehyde 1

• • • (b) performing a coupling reaction of the aldehyde 1 with a triphenyl phosphonium ylide 2c to obtain an intermediate compound 3c;

• • • or alternatively
    • (b′) performing a coupling reaction of the aldehyde 1 with a phosphonate 2c′ to obtain an intermediate compound 3c;

• • • (c) deprotecting the protecting groups PG¹ and PG² of the compound 3c preferably under acidic condition and introducing an amino protecting group PG³ to obtain a compound 4c

• • Step 1C: providing a compound 4c

• • Step 2C: performing coupling reaction of the compound 4c with a compound 5

• • • to obtain a compound 6c

• • Step 3C: deprotecting an amino protecting group PG³ to obtain a compound 7c

• • Step 4C: performing coupling reaction of the compound 7c with a carboxylic acid (R²—CO₂H 8) to produce the compound of the formula (Ic)

• • wherein L, R², R³, R⁵ have the same meanings as defined above in formula (Ic),
  • and PG¹ and PG³ are amino protecting groups,
  • PG² is a carboxyl protecting group.

A further aspect of the present invention relates to the production of compounds of the formula (Id).

• • As shown in Scheme 2, a method for producing the compound of the formula (Id): comprising:
    • Step 1D: providing a compound 4d

• • • Step 2D: performing coupling reaction of the compound 4d with a compound 5

• • • • to obtain a compound 6d

• • Step 3D: deprotecting an amino protecting group PG³ to obtain a compound 7d

• • Step 4D: performing coupling reaction of the compound 7d with a carboxylic acid (R²—CO₂H 8) to produce the compound of the formula (Id)

• • wherein L, R², R³, R⁶, R⁷ have the same meanings as defined above in formula (Id), and PG³ is an amino protecting group.

Optionally, Step 1D′ is carried out before the step 1D:

• • (a) providing a protected aldehyde 1

• • (b) performing a coupling reaction of the aldehyde 1 with a phosphonate 2d to obtain an intermediate compound 3d;

• • (c) deprotecting the protecting groups PG¹ and PG² of the compound 3d preferably under acidic condition and introducing an amino protecting group PG³ to obtain a compound 4d

Therefore, the following method for the production of compounds of the formula (Id) is preferred:

• • Step 1D′:
  • (a) providing a protected aldehyde 1

• • (b) performing a coupling reaction of the aldehyde 1 with a phosphonate 2d to obtain an intermediate compound 3d;

• • (c) deprotecting the protecting groups PG¹ and PG² of the compound 3d preferably under acidic condition and introducing an amino protecting group PG³ to obtain a compound 4d

• • Step 1D: providing a compound 4d

• • Step 2D: performing coupling reaction of the compound 4d with a compound 5

• • • to obtain a compound 6d

• • Step 3D: deprotecting an amino protecting group PG³ to obtain a compound 7d

• • Step 4D: performing coupling reaction of the compound 7d with a carboxylic acid (R²—CO₂H 8) to produce the compound of the formula (Id)

• • wherein L, R², R³, R⁶, R⁷ have the same meanings as defined above in formula (Id), and PG³ is an amino protecting group.

A further aspect of the present invention relates to the production of compounds of the formula (Ie).

As shown in Scheme 3, a method for producing the compound of the formula (Ie): comprising:

• • Step 1E: providing a compound 4e

• • Step 2E: performing coupling reaction of the compound 4e with a compound 5

• • • to obtain a compound 6e

• • Step 3E: deprotecting an amino protecting group PG³ to obtain a compound 7e

• • Step 4E: performing coupling reaction of the compound 7e with a carboxylic acid (R²—CO₂H 8) to produce the compound of the formula (Ie)

• • wherein L, R², R³, R⁵ have the same meanings as defined above in formula (Ie), and PG³ is an amino protecting group.

Optionally, Step 1E′ is carried out before the step 1E:

• • (a) providing a protected aldehyde 1

• • (b) performing a coupling reaction of the aldehyde 1 with a sulfonylmethyl phosphonate 2e to obtain an intermediate compound 3e;

• • (c) deprotecting the protecting groups PG¹ and PG² of the compound 3e preferably under acidic condition and introducing an amino protecting group PG³ to obtain a compound 4e

Therefore, the following method for the production of compounds of the formula (Ie) is preferred:

• • Step 1E′:
  • (a) providing a protected aldehyde 1

• • (b) performing a coupling reaction of the aldehyde 1 with a sulfonylmethyl phosphonate 2e to obtain an intermediate compound 3e;

• • (c) deprotecting the protecting groups PG¹ and PG² of the compound 3e preferably under acidic condition and introducing an amino protecting group PG³ to obtain a compound 4e

• • Step 1E: providing a compound 4e

• • Step 2E: performing coupling reaction of the compound 4e with a compound 5

• • • to obtain a compound 6e

• • Step 3E: deprotecting an amino protecting group PG³ to obtain a compound 7e

• • Step 4E: performing coupling reaction of the compound 7e with a carboxylic acid (R²—CO₂H 8) to produce the compound of the formula (Ie)

• • wherein L, R², R³, R⁵ have the same meanings as defined above in formula (Ie), and PG³ is an amino protecting group.

In an alternative route first all protecting groups PG¹ and PG² are simultaneously removed and the protecting group PG³ is selectively introduced. Preferably, PG¹ and PG³ are same.

The term “protecting groups” as used herein refers to commonly used protection groups in organic synthesis, preferably for amino and carboxyl groups. PG¹, PG³, and PG⁵ preferably are suitable protecting groups for amino groups. PG² and PG⁴ preferably are suitable protecting groups for carboxyl groups. Preferably, PG¹, PG³, and PG⁵ may be selected from the group consisting of or comprising: acetyl, benzoyl, benzyloxycarbonyl (Cbz), tert-butylcarbonyl, tert-butyloxycarbonyl (Boc), and fluorenylmethylenoxy group (Fmoc). PG² and PG⁴ may be selected from the group consisting of or comprising: methoxy, ethoxy, isobutoxy, tert-butoxy, benzyloxy; preferably, tert-butoxy group.

In Steps 2C, 2D, 2E, 4A, 4B, 4C, 4D, and 4E, to promote the coupling reaction with amino group of intermediate compound, activating reagents are commonly used to activating carboxylic acid (“Peptide Coupling Reagents, More than a Letter Soup”, Ayman El-Faham and Fernando Albericio, Chemical Reviews, 2011, 111(11), p. 6557-6602). The activation may be introduced separate reaction or in situ reaction. Preferably, any of the following coupling reagent can be used to activate carboxylic acid group: BOP (Benzotriazole-1-yl-oxy-tris-(dimethylamino)-phosphonium hexafluorophosphate), PyBOP (Benzotriazole-1-yl-oxy-tris-pyrrolidino-phosphonium hexafluorophosphate), AOP (7-(Azabenzotriazol-1-yl)oxy tris(dimethylamino)phosphonium hexafluorophosphate), PyAOP ((7-Azabenzotriazol-1-yloxy)tripyrrolidinophosphonium hexafluorophosphate), TBTU (2-(1H-Benzotriazole-1-yl)-1,1,3,3-tetramethylaminium tetrafluoroborate), EEDQ (N-Ethoxycarbonyl-2-ethoxy-1,2-dihydroquinoline), Polyphosphoric Acid (PPA), DPPA (Diphenyl phosphoryl azide), HATU (1-[Bis(dimethylamino)methylene]-1H-1,2,3-triazolo[4,5-b]pyridinium 3-oxide hexafluorophosphate), HBTU (0-Benzotriazol-1-yl-N,N,N′,N′-tetramethyluronium hexafluorophosphate), HOBt (1-Hydroxybenzotriazole), HOAt (1-Hydroxy-7-azabenzotriazole), DCC (N,N′-Dicyclohexylcarbodiimide), EDC (or EDAC or EDCI, 1-Ethyl-3-(3-dimethylaminopropyl)carbodiimide), BOP-Cl (Bis(2-oxo-3-oxazolidinyl)phosphinic chloride), TFFH (Tetramethylfluoroformamidinium hexafluorophosphate), BroP (Bromo tris(dimethylamino) phosphonium hexafluorophosphate), PyBroP (Bromo-tris-pyrrolidino-phosphonium hexafluorophosphate) and CIP (2-Chloro-1,3-dimethylimidazolidinium hexafluorophosphate), or further, similar acting reagents, providing an activated intermediate, or a mixture thereof.

Pharmaceutical Composition & Medical Use

Therefore another aspect of the present invention relates to compounds according to the general formula (I) as medicine as well as their use in medicine. Especially preferred is the use as inhibitors of transglutaminases, in particular transglutaminsase 2 (TG2).

Thus the compounds of formula (I) described herein or according to the present invention may be administered themselves or in form of a pharmacologically acceptable salt.

The compounds of the present invention may form of a pharmacologically acceptable salt with organic or inorganic acids or bases. Examples of suitable acids for such acid addition salt formation are hydrochloric acid, hydrobromic acid, sulfuric acid, phosphoric acid, acetic acid, citric acid, oxalic acid, malonic acid, salicylic acid, p-aminosalicylic acid, malic acid, fumaric acid, succinic acid, ascorbic acid, maleic acid, sulfonic acid, phosphonic acid, perchloric acid, nitric acid, formic acid, propionic acid, gluconic acid, lactic acid, tartaric acid, hydroxymaleic acid, pyruvic acid, phenylacetic acid, benzoic acid, p-aminobenzoic acid, p-hydroxybenzoic acid, methanesulfonic acid, ethanesulfonic acid, nitrous acid, hydroxyethanesulfonic acid, ethylenesulfonic acid, p-toluenesulfonic acid, naphthylsulfonic acid, sulfanilic acid, camphorsulfonic acid, china acid, mandelic acid, o-methylmandelic acid, hydrogen-benzenesulfonic acid, picric acid, adipic acid, d-o-tolyltartaric acid, tartronic acid, (o, m, p)-toluic acid, naphthylamine sulfonic acid, trifluoroacetic acid, and other mineral or carboxylic acids well known to those skilled in the art. The salts are prepared by contacting the free base form with a sufficient amount of the desired acid to produce a salt in the conventional manner. Preferred is the mesylate salt, hydrochloride salt and the trifluoroacetate salt and especially preferred is the trifluoroacetate salt and the hydrochloride salt.

In the case the inventive compounds bear acidic groups, salts could also be formed with inorganic or organic bases. Examples for suitable inorganic or organic bases are, for example, NaOH, KOH, NH₄OH, tetraalkylammonium hydroxide, lysine or arginine and the like. Salts may be prepared in a conventional manner using methods well known in the art, for example by treatment of a solution of the compound of the general formula (I) with a solution of an acid, selected out of the group mentioned above.

Methods of Use

In a further aspect of the present invention, the novel compounds according to the general formula (I) are used as pharmaceutically active agent, i.e. the compound of the formula (I) is used in medicine.

Furthermore, the present invention relates to a pharmaceutical composition comprising at least one compound according to the general formula (I), as an active ingredient or a pharmacologically acceptable salts thereof as an active ingredient, together with at least one pharmacologically acceptable carrier, excipient and/or diluent.

The compounds according to general formula (I) described herein are especially suitable for the treatment and prophylaxis of diseases associated with and/or caused by transglutaminase 2.

Celiac disease, a gluten intolerance is associated with tissue transglutaminase (TG 2). Another very important group of indications for tissue transglutaminase inhibitors are fibrotic disorders. Fibrotic disorders are characterized by the accumulation of cross-linked extracellular matrix proteins. Diabetic nephropathy, cystic fibrosis, idiopathic pulmonary fibrosis, kidney fibrosis as well as liver fibrosis belong to the most important fibrotic disorders to be addressed with the compounds disclosed.

In the biological example B-1, it is proven that the inventive compounds as reversible and irreversible TG inhibitors effectively inhibit the activity of TGs, especially TG2.

As used herein the term “inhibiting” or “inhibition” refers to the ability of a compound to downregulate, decrease, reduce, suppress, inactivate, or inhibit at least partially the activity of an enzyme, or the expression of an enzyme or protein.

Therefore, another aspect of the present invention is the use of the inventive compounds of the general formula (I), or the pharmaceutical composition thereof as described in the treatment or prophylaxis of autoimmune and inflammatory diseases, vascular diseases, fibrotic diseases, liver diseases, cholestatic liver diseases, cancer, neurodegenerative diseases, ocular diseases, and skin disorders.

Further aspects of the present invention relate to the use of the compounds of general formula (I) for the preparation of a pharmaceutical composition useful for prophylaxis and/or treatment of autoimmune and inflammatory diseases, vascular diseases, fibrotic diseases, liver diseases, cholestatic liver diseases, cancer, neurodegenerative diseases, ocular diseases, and skin disorders.

In a further aspect of the present invention, a method for preventing and/or treating autoimmune and inflammatory diseases, vascular diseases, fibrotic diseases, liver diseases, cholestatic liver diseases, cancer, neurodegenerative diseases, ocular diseases, and skin disorders, which method comprises administering to a subject, in particular a human, a pharmaceutically effective amount of at least one compound of the general formula (I), to prevent and/or treat said autoimmune and inflammatory diseases, vascular diseases, fibrotic diseases, liver diseases, cholestatic liver diseases, cancer, neurodegenerative diseases, ocular diseases, and skin disorders.

Preferred, the autoimmune and inflammatory diseases comprises multiple sclerosis, celiac disease, Duhring-Brocq-disease (dermatitis herpetiformis), gluten ataxia, gluten neuropathy, diabetes, rheumatoid arthritis, Graves' disease, inflammatory bowel disease, systemic lupus erythematosus psoriasis, and gingivitis;

• • the vascular diseases comprise atherosclerosis, thrombosis, vascular stiffness;
  • the fibrotic diseases affecting the lung, the kidney, the liver, the skin or the gut like cystic fibrosis, kidney fibrosis and diabetic nephropathy, intestinal fibrosis, idiopathic lung fibrosis, liver fibrosis;
  • the liver diseases like alcoholic hepatitis, alcoholic steatohepatitis, nonalcoholic steatohepatitis, non-alcoholic fatty liver disease, liver cirrhosis, autoimmune hepatitis or liver inflammation;
  • the cholestatic liver diseases comprise primary biliary cholangitis and primary sclerosing cholangitis;
  • the cancer comprises glioblastoma, melanoma, pancreatic cancer, renal cell carcinoma, meningioma, and breast cancer,
  • the neurodegenerative diseases comprise Parkinson's disease, Huntington's disease, or Alzheimer's disease,
  • the ocular diseases comprise glaucoma, cataracts, macular degeneration, or uveitis;
  • the skin disorders comprise acne, psoriasis, scarring, and skin aging.

More preferred, the compound of the formula (I), or the pharmaceutical composition thereof is useful in the treatment or prophylaxis of celiac disease.

Furthermore, the compounds of the general formula (I), can be administered in form of their pharmaceutically active salts, optionally using essentially non-toxic pharmaceutically acceptable carriers, adjuvants or extenders. Medications are prepared in a known manner in a conventional solid or fluid carrier or in extenders and a conventional pharmaceutically acceptable adjuvant/expedient in a suitable dose. The preferred preparations are provided in an administrable form suitable for oral application, such as pills, tablets, film tablets, coated tablets, capsules and powders.

Tablets, film tablets, coated tablets, gelatin capsules and opaque capsules are the preferred pharmaceutical formulations. Any pharmaceutical compositions contains at least one compound of the general formula (I), and/or pharmaceutically acceptable salts thereof in an amount of 5 mg to 500 mg, preferably 10 mg to 250 mg and most preferred in an amount of 10 to 100 mg per formulation.

Besides, the object of the present invention also includes pharmaceutical preparations for oral, parenteral, dermal, intradermal, intragastric, intracutaneous, intravascular, intravenous, intramuscular, intraperitoneal, intranasal, intravaginal, intrabuccal, percutaneous, rectal, subcutaneous, sublingual, topic, transdermal or inhalative application, containing, in addition to typical vehicles and extenders, a compound of the general formula (I), and/or a pharmaceutically acceptable salt thereof as active component.

The pharmaceutical compositions of the present invention contain one of the compounds of the formula (I) disclosed herein as active component, typically mixed with suitable carrier materials, selected with respect to the intended form of administration, i.e. tablets to be administered orally, capsules (filled either with a solid, a semi-solid or a liquid), powders, orally administrable gels, elixirs, dispersible granulates, syrups, suspensions and the like in accordance with conventional pharmaceutical practices. For example, the compound of the formula (I) can as active agent component be combined with any oral, non-toxic, pharmaceutically acceptable, inert carrier, such as lactose, starch, sucrose, cellulose, magnesium stearate, dicalcium phosphate, calcium sulfate, talc, mannitol, ethyl alcohol (liquid forms) and the like for the oral administration in form of tablets or capsules. Moreover, suitable binders, lubricants, disintegrants and colorants can be added to the mixture if required. Powders and tablets can consist of said inert carriers to an extent from about 5% per weight to about 95% per weight of the inventive composition.

Suitable binders include starch, gelatin, natural sugars, sweeteners made of corn, natural and synthetic gums, such as acacia gum, sodium alginate, carboxymethylcellulose, polyethylene glycol and waxes. Possible lubricants for the use in said dosage forms include boric acid, sodium benzoate, sodium acetate, sodium chloride and the like. Disintegrants include starch, methylcellulose, cyclodextrins, guar gum and the like. If required, sweeteners and flavor additives and preservatives can also be included. Some of the terms used above, namely disintegrants, extenders, lubricants, binders and the like are discussed in greater detail below.

Additionally, the compositions of the present invention can be formulated in a form with sustained release to provide a controlled release rate of any one or more components or active components, in order to optimize the therapeutic effect, i.e. the inhibitory activity and the like. Suitable dosage forms for sustained release include layered tablets containing layers with varying degradation rates or controlled release polymeric matrices impregnated with the active components and in the form of a tablet or capsule containing such impregnated or encapsulated porous polymeric matrices.

Preparations in fluid form include solutions, suspensions and emulsions. Exemplarily mentioned are water or water propylene glycol solutions for parenteral injections or the addition of sweeteners and opacifiers for oral solutions, suspensions and emulsions.

Aerosol preparations suitable for inhalation may include solutions and solids in the form of powders which can be combined with a pharmaceutically acceptable carrier, such as a compressed inert gas, e.g. nitrogen.

For the preparation of suppositories a low melting wax, such as a mixture of fatty acid glycerides, e.g. cocoa butter, is melted firstly and the active component is homogenously dispersed therein by stirring or similar mixing operations. The melted homogenous mixture is then poured in fitting forms, cooled and thus hardened.

Further preparations in solid form which are to be converted into preparations in fluid form for either oral or parenteral administration shortly before use are included. Such fluid forms include solutions, suspensions and emulsions.

Furthermore, the compounds of the present invention may be administered via transdermal application. The transdermal compositions can have the form of crèmes, lotions, aerosols and/or emulsions.

The term capsule refers to a special container or casing composed of methylcellulose, polyvinyl alcohols or denatured gelatins or starches, in which the active agents can be enclosed. Typically, hard shell capsules are prepared from mixtures of bones and porcine skin gelatins having comparatively high gel strength. The capsule itself can contain small amounts of colorants, opacifiers, softening agents and preservatives.

Tablet means a compressed or cast solid dosage form containing the active components with suitable extenders. The tablet can be produced by compressing mixtures or granulates obtained by wet granulation, dry granulation or compaction, which are known to the one skilled in the art.

Oral gels refer to the active components dispersed or solubilized in a hydrophilic semi-solid matrix.

Powders for compositions refer to powder mixtures containing the active components and suitable extenders which can be suspended in water or juices.

Suitable extenders are substances which usually form the largest part of the composition or dosage form. Suitable extenders include sugars such as lactose, sucrose, mannitol and sorbitol; starches derived from wheat, corn, rice and potatoes; and celluloses such as microcrystalline cellulose. The amount of extenders in the composition can range from about 5 to about 95% per weight of the total composition, preferably form about 25 to about 75% per weight and further preferred from about 30 to about 60% per weight.

The term disintegrants refers to materials added to the composition in order to support disintegration and release of the medicinal substance. Suitable disintegrants include starches, modified starches which are soluble in cold water, such as sodium carboxymethyl starch; natural and synthetic gums such as locust bean gum, caraya, guar gum, tragacanth and agar; cellulose derivatives such as methylcellulose and sodium carboxymethylcellulose, microcrystalline celluloses and crosslinked microcrystalline celluloses such as croscarmellose sodium; alginates such as alginic acid and sodium alginate; clays such as bentonites and foaming mixtures. The amount of disintegrants used in the composition can range from about 2 to 20% per weight of the composition and further preferred from about 5 to about 10% per weight.

Binders characterize substances binding or “gluing” powders to each other and they consequently serve as “glue” in the formulation. Binders add a cohesion starch which is already available in the extenders or the disintegrant. Suitable binders include sugar, such as sucrose; starches derived from wheat, corn, rice and potatoes; natural gums such as acacia gum, gelatin and tragacanth; derivatives of sea weed such as alginic acid, sodium alginate and ammonium calcium alginate, cellulose materials such as methyl cellulose and sodium carboxymethylcellulose and hydroxypropyl methylcellulose, polyvinylpyrrolidone and inorganic compounds, such as magnesium aluminum silicate. The amount of binders in the composition can range from about 2 to about 20% per weight of the total composition, preferably form about 3 to about 10% per weight and further preferred from about 3 to about 6% per weight.

The term lubricant refers to a substance added to the dosage form in order to allow for the tablet, granulate, etc. to be released from the casting mold or pressing mold, after compression, by reducing the friction. Suitable lubricants include metallic stearates such as magnesium stearate, calcium stearate or potassium stearate; stearic acid; waxes with high melting points and water soluble lubricants such as sodium chloride, sodium benzoate, sodium acetate, sodium oleate, polyethylene glycols and D,L-leucine. Due to the fact that lubricants have to be present on the surface of the granulates as well as between the granulates and parts of the tablet press they are typically added during the last step prior to compression. The amount of lubricants in the composition can range from about 0.2 to about 5% per weight of the total composition, preferably form about 0.5 to about 2% per weight and further preferred from about 0.3 to about 1.5% per weight.

Lubricants are materials preventing caking and improving the flow characteristics of granulates so that the flow is smooth and uniform. Suitable lubricants include silicon dioxide and talc. The amount of lubricants in the composition can range from about 0.1 to about 5% per weight of the total composition, preferably form about 0.5 to about 2% per weight.

Colorants are adjuvants coloring the composition or dosage form. Such adjuvants can include colorants having food quality which are adsorbed on a suitable adsorption means, such as clay or aluminum oxide. The amount of the colorant used can vary from about 0.1 to about 5% per weight of the composition and preferably from about 0.1 to about 1% per weight.

As used herein, a “pharmaceutically effective amount” of a transglutaminase inhibitor is the amount or activity effective for achieving the desired physiological result, either in cells treated in vitro or in a patient treated in vivo. Specifically, a pharmaceutical effective amount is such an amount which is sufficient for inhibiting, for a certain period of time, one or more of the clinically defined pathological processes associated with transglutaminase 2. The effective amount can vary according to the specific compound of the formula (I) and additionally depends on a plurality of factors and conditions related to the subject to be treated and the severity of the disease. If, for example, an inhibitor is to be administered in vivo, factors such as age, weight and health of the patients as well as dose reaction curves and data regarding toxicity obtained from preclinical animal studies are amongst the data to be considered. If the inhibitor in form of the compound of the formula (I) described herein is to be brought in contact with the cells in vivo, a plurality of preclinical in vitro studies would be designed in order to determine parameters such as absorption, half-life, dose, toxicity, etc. Determining a pharmaceutically effective amount for a given pharmaceutically active ingredient is part of the ordinary skills of the one skilled in the art.

EXAMPLES

Following abbreviations used in the examples have the following meaning.

Boc (tert-butoxycarbonyl), BocOSu (N-tert-butoxycarbonyloxy-succinimide) DCM (dichloromethane), DMAP (4-(Dimethylamino)-pyridine), TEA (triethylamine), DMF (dimethylformamide), DMP (Dess-Martin periodiane), DIPEA (N-Ethyldiisopropylamine), Glu (glutamic acid), EDC (1-ethyl-3-(3′-dimethylaminopropyl)carbodiimide), TFA (trifluoroacetic acid), THF (tetrahydrofuran), EtOAc (ethyl acetate), HATU (1-[Bis(dimethylamino)methylene]-1H-1,2,3-triazolo[4,5-b]pyridinium 3-oxid hexafluorophosphate), HOBt (hydroxybenzotriazole), MTBE (methyl tert-butyl ether), tBu (tert-butyl),

CHEMICAL EXAMPLES

The following examples are intended to illustrate the invention with selected compounds without limiting the protecting scope of the present intellectual property right on these concrete examples. It is clear for a person skilled in the art that analogous compounds and compounds produced according to analogous synthetic ways fall under the protecting scope of the present intellectual property right.

Example III. Synthetic Method III

1 Preparation of Compound ZED1657

2-(3-nitro-2-oxopyridin-1(2H)-yl)acetic acid

• • Chemical Formula: C₇H₆N₂O₅
  • Exact Mass: 198.03
  • Molecular Weight: 198.13

30.0 g (214 mmol) of 2-hydroxy-3-nitropyridine and 40.5 g (2 eq) of chloroacetic acid were suspended in 600 mL water. At 40° C., 245 g (3 eq) trisodium phosphate dodecahydrate were added, and the reaction was stirred at room temperature overnight. 250 mL HCl (32%) were added, and the suspension was stirred for another night at 4° C.

The precipitate was filtered and dried.

Yield: 41.2 g, 97%

ESI-MS: 199.3 [M+H]⁺

2 Preparation of Compound ZED3905

N-(2-adamantyl)-2-(3-nitro-2-oxopyridin-1(2H)-yl)acetamide

• • Chemical Formula: C₁₇H₂₁N₃O₄
  • Exact Mass: 331.15
  • Molecular Weight: 331.37

17.0 g (85.8 mmol) of ZED1657, 16.1 g (1 eq) of 2-adamantanamine hydrochloride and 11.6 g (1 eq) of HOBt were dissolved in 200 mL DMF and 17.9 mL (1.2 eq) DIPEA. 18.1 g (1.1 eq) of 1-ethyl-3-(3′-dimethylaminopropyl)carbodiimide hydrochloride were added and the reaction was stirred at room temperature overnight. The solvent was evaporated, and the residue was dissolved in 500 mL DCM. The solution was washed with each 200 mL citric acid solution (10%), NaHCO₃ solution (10%) and brine. The organic phase was dried over Na₂SO₄, filtered and the solvent was evaporated.

Yield: 24.1 g, 85%

ESI-MS: 332.4 [M+H]⁺

3 Preparation of Compound ZED3906

2-(3-amino-2-oxopyridin-1(2H)-yl)-N-(2-adamantyl)acetamide

• • Chemical Formula: C₁₇H₂₃N₃O₂
  • Exact Mass: 301.18
  • Molecular Weight: 301.38

24.2 g (73.0 mmol) of ZED3905 were suspended in 600 mL MeOH before 2.42 g of palladium (10%) on activated carbon (unreduced) were added. The suspension was stirred overnight at room temperature under an atmosphere of hydrogen. The catalyst was filtered, and the solvent was evaporated.

Yield: 15.7 g, 71%

ESI-MS: 302.4 [M+H]⁺

Preparation of Compound ZED788

(S)-1-tert-butyl 5-methyl 2-(tert-butoxycarbonylamino)pentanedioate

• • Chemical Formula: C₁₅H₂₇NO₆
  • Exact Mass: 317.18
  • Molecular Weight: 317.38

12.0 g of Boc-L-Glu-OtBu (39.6 mmol) and 7.09 g of cesium carbonate (21.8 mmol, 0.55 eq) were suspended in 100 ml of DMF and stirred for 1 h at room temperature. 2.47 ml iodomethane (39.6 mmol) we added, and the mixture was stirred at room temperature overnight. The solvent was evaporated, and the residue was dissolved in ethyl acetate and washed twice with each citric acid solution (10%), NaHCO₃ solution (10%) and brine. The organic phase was dried over Na₂SO₄, filtered and the solvent was evaporated. The raw product was used without further purification.

Yield: 13.4 g, >100%

ESI-MS: 318.3 [M+H]⁺

Preparation of Compound ZED720

(S)-1-tert-butyl 5-methyl 2-(bis(tert-butoxycarbonyl)amino)pentanedioate

• • Chemical Formula: C₂₀H₃₅NO₈
  • Exact Mass: 417.24
  • Molecular Weight: 417.49

13.4 g of ZED788 (˜39.6 mmol) and 986 mg of N,N-dimethyl-4-aminopyridine (DMAP) were dissolved in 30 ml of acetonitrile. 17.6 g of di-tert-butyl bicarbonate (77.1 mmol) in 100 ml of acetonitrile was added and the solution was stirred at room temperature overnight. The solvent was evaporated, and the residue was dissolved in ethyl acetate and washed twice with each citric acid solution (10%), NaHCO₃ solution (10%) and brine. The organic phase was dried over Na₂SO₄, filtered and the solvent was evaporated. The raw product was used without further purification.

Yield: 13.7 g, 83%

ESI-MS: 418.3 [M+H]⁺

Preparation of Compound ZED721

(S)-tert-butyl 2-(bis(tert-butoxycarbonyl)amino)-5-oxopentanoate

• • Chemical Formula: C₁₉H₃₃NO₇
  • Exact Mass: 387.23
  • Molecular Weight: 387.47

13.7 g of ZED720 (32.8 mmol) were dissolved in 200 ml of dry diethyl ether and cooled to −78° C. under argon atmosphere. 36.1 ml of diisobutylaluminum hydride (1M in hexane) were added dropwise and the solution was stirred for 30 min at −78° C. before being quenched with potassium sodium tartrate (Rochelle salt) solution. The organic layer was separated, dried over Na₂SO₄, filtered, and concentrated to dryness. The raw product was used without further purification.

Yield: 13.3 g, >100%

ESI-MS: 388.3 [M+H]⁺

Preparation of Compound ZED755

(S,E)-7-tert-butyl 1-methyl 6-(bis(tert-butoxycarbonyl)amino)hept-2-enedioate

• • Chemical Formula: C₂₂H₃₇NO₈
  • Exact Mass: 443.25
  • Molecular Weight: 443.53

13.3 g of ZED721 (˜32.8 mmol) were dissolved in 60 ml of benzene and 11.2 g of (carbomethoxymethylene)triphenylphosphorane (1 eq) was added portionwise. After stirring overnight, the solvent was evaporated. The residue was purified by flash chromatography.

Yield: 12.0 g, 83%

ESI-MS: 444.3 [M+H]⁺

Preparation of Compound Ib

(S,E)-2-(tert-butoxycarbonylamino)-7-methoxy-7-oxohept-5-enoic acid

• • Chemical Formula: C₁₃H₂₁NO₆
  • Exact Mass: 287.14
  • Molecular Weight: 287.31

12.0 g of ZED755 (27.1 mmol) are dissolved in 100 ml DCM/TFA (1:1) and stirred at room temperature for 1 h. The solvent was evaporated, and the residue was dissolved in 100 ml DMF and 9.23 ml DIPEA (2 eq). 7.15 g of N-(tert-butoxycarbonyloxy)succinimide were added and the reaction was stirred at room temperature overnight. The solvent was evaporated, and the residue was dissolved in ethyl acetate and washed twice with each citric acid solution (10%) and brine. The organic phase was dried over Na₂SO₄, filtered and the solvent was evaporated. The residue was purified by flash chromatography.

Yield: 5.89 g, 76%

ESI-MS: 288.3 [M+H]⁺

4 Preparation of Compound ZED4198

(S)-methyl 6-(tert-butoxycarbonylamino)-7-(1-(2-(2-adamantylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-7-oxoheptanoate

• • Chemical Formula: C₃₀H₄₂N₄O₇
  • Exact Mass: 570.31
  • Molecular Weight: 570.68

1.67 g (5.80 mmol) of (S,E)-2-(tert-butoxycarbonylamino)-7-methoxy-7-oxohept-5-enoic acid (Ib), 2.21 g (1 eq) HATU and 1.75 g (1 eq) ZED3906 were dissolved in 25 mL DMF and 1.97 mL DIPEA (2 eq) and stirred at 45° C. overnight. The solvent was evaporated; the residue was dissolved in 100 mL EtOAc and washed twice with each 30 mL citric acid solution (10%), NaHCO₃ solution (10%) and brine. The organic phase was dried over Na₂SO₄, filtered and the solvent was evaporated.

Yield: 1.65 g, 50%

ESI-MS: 571.4 [M+H]⁺

Preparation of Compound III-1

(S,E)-methyl 7-(1-(2-(2-adamantylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(1-methyl-1H-imidazole-5-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₃₀H₃₈N₆O₆
  • Exact Mass: 578.29
  • Molecular Weight: 578.66

200 mg (0.35 mmol) of ZED4198 were dissolved in 6 ml DCM/TFA (1:1) and stirred at room temperature for 1 h. The solvent was evaporated, and the residue was dissolved in 9 ml DMF. 44.2 mg (1 eq) 1-methyl-1H-imidazole-5-carboxylic acid, 133 mg (1 eq) HATU and 119 μl (2 eq) DIPEA were added, and the reaction was stirred at room temperature overnight. The solvent was evaporated and the residue was purified by HPLC.

Yield: 165 mg, 81%

ESI-MS: 579.4 [M+H]⁺

¹H-NMR (DMSO-D6, 500 MHz, 6 [ppm]: 1.50//2.00 (d//d, 2H//2H, adamantyl-C4-H₂), 1.70//1.80 (m, 4H, adamantyl-C4-H₂), 1.78 (m, 2H, adamantyl-C1-H), 1.78 (m, 2H, adamantyl-C6-H₂), 1.80 (m, 2H, adamantyl-C5-H), 1.90//2.03 (m//m, 1H//1H, β-CH₂), 2.32 (m, 2H, γ-CH₂), 3.62 (s, 3H, O—CH₃), 3.79 (s, 3H, imidazole-N—CH₃), 3.83 (m, 1H, adamantyl-C2-H), 4.58 (ddd, 1H, α-CH₂), 4.66 (s, 2H, N—CH₂), 5.85 (m, 1H, ═CH—), 6.25 (t, 1H, pyridinone-C5-H), 6.92 (m, 1H, ═CH—), 7.33 (d, 1H, pyridinone-C6-H), 7.72 (s, 1H, imidazole-CH), 7.77 (s, 1H, imidazole-CH), 8.09 (d, 1H, adamantyl-NH), 8.21 (d, 1H, pyridinone-C4-H), 8.61 (d, 1H, α—NH), 9.25 (s, 1H, pyridinone-NH).

¹³C-NMR (DMSO-D6, 500 MHz, 6 [ppm]: 26.70/26.64 (adamantyl-C5-H), 28.44 (γ-CH₂), 29.10 (β-CH₂), 30.92 (adamantyl-C4-H₂), 31.44 (adamantyl-C1-H), 33.46 (imidazole-N—CH₃), 36.74 (adamantyl-C4′-H₂), 37.09 (adamantyl-C6-H₂), 51.14 (0-CH₃), 51.62 (N—CH₂), 53.07 (α-CH₂), 53.32 (adamantyl-C2-H), 104.59 (pyridinone-C5-H), 121.04 (═CH—), 122.30 (pyridinone-C4-H), 125.06 (imidazole-Cq), 127.90 (pyridinone-N-Cq), 132.78 (imidazole-CH), 133.26 (pyridinone-C6-H), 142.18 (imidazole-CH), 148.54 (═CH—), 156.60 (pyridinone-C═O), 160.24 (imidazole-C═0), 165.71 (C═O-adamantylamide), 165.98 (Cq methyl ester), 170.69 (C═O—NH-pyridinone).

6 Preparation of Compound III-2

(S,E)-methyl 7-(1-(2-(2-adamantylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(3-methylbenzofuran-2-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₃₅H₄₀N₄O₇
  • Exact Mass: 628.29
  • Molecular Weight: 628.71

The synthesis of compound III-2 was performed according to compound III-1, using 3-methylbenzo[b]furan-2-carboxylic acid instead of 1-methyl-1H-imidazole-5-carboxylic acid in the final step.

Yield: 101 mg, 75% (last step)

ESI-MS: 629.4 [M+H]⁺

7 Preparation of Compound III-3

(S,E)-methyl 6-(3-chlorobenzofuran-2-carboxamido)-7-(1-(2-(2-adamantylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-7-oxohept-2-enoate

• • Chemical Formula: C₃₄H₃₇ClN₄O₇
  • Exact Mass: 648.24
  • Molecular Weight: 649.13

The synthesis of compound III-3 was performed according to compound III-1, using 3-chlorobenzofuran-2-carboxylic acid instead of 1-methyl-1H-imidazole-5-carboxylic acid in the final step.

Yield: 214 mg, 82% (last step)

ESI-MS: 649.3/651.3 [M+H]⁺

8 Preparation of Compound III-4

(S,E)-methyl 6-(4-bromobenzofuran-2-carboxamido)-7-(1-(2-(2-adamantylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-7-oxohept-2-enoate

• • Chemical Formula: C₃₄H₃₇BrN₄O₇
  • Exact Mass: 692.18
  • Molecular Weight: 693.58

The synthesis of compound III-4 was performed according to compound III-1, using 4-bromo-1-benzofuran-2-carboxylic acid instead of 1-methyl-1H-imidazole-5-carboxylic acid in the final step.

Yield: 104 mg, 76% (last step)

ESI-MS: 693.3/695.3 [M+H]⁺

9 Preparation of Compound III-5

(S,E)-methyl 6-(benzo[b]thiophene-2-carboxamido)-7-(1-(2-(2-adamantylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-7-oxohept-2-enoate

• • Chemical Formula: C₃₄H₃₈N₄O₆S
  • Exact Mass: 630.25
  • Molecular Weight: 630.75

The synthesis of compound III-5 was performed according to compound III-1, using benzo[b]thiophene-2-carboxylic acid instead of 1-methyl-1H-imidazole-5-carboxylic acid in the final step.

Yield: 356 mg, 85% (last step)

ESI-MS: 631.3 [M+H]⁺

Preparation of Compound III-6

(S,E)-methyl 6-(5-bromobenzo[b]thiophene-2-carboxamido)-7-(1-(2-(2-adamantylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-7-oxohept-2-enoate

• • Chemical Formula: C₃₄H₃₇BrN₄O₆S
  • Exact Mass: 708.16
  • Molecular Weight: 709.65

The synthesis of compound III-6 was performed according to compound III-1, using 5-bromobenzo[b]thiophene-2-carboxylic acid instead of 1-methyl-1H-imidazole-5-carboxylic acid in the final step.

Yield: 102 mg, 70% (last step)

ESI-MS: 709.2/711.2 [M+H]⁺

11 Preparation of Compound III-7

(S,E)-methyl 6-(7-fluorobenzo[b]thiophene-2-carboxamido)-7-(1-(2-(2-adamantylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-7-oxohept-2-enoate

• • Chemical Formula: C₃₄H₃₇FN₄O₆S
  • Exact Mass: 648.24
  • Molecular Weight: 648.74

The synthesis of compound III-7 was performed according to compound III-1, using 7-fluorobenzo[b]thiophene-2-carboxylic acid instead of 1-methyl-1H-imidazole-5-carboxylic acid in the final step.

Yield: 56 mg, 68% (last step)

ESI-MS: 649.3 [M+H]⁺

12 Preparation of Compound III-8

(S,E)-methyl 6-(1H-indole-2-carboxamido)-7-(1-(2-(2-adamantylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-7-oxohept-2-enoate

• • Chemical Formula: C₃₄H₃₉N₅O₆
  • Exact Mass: 613.29
  • Molecular Weight: 613.70

The synthesis of compound III-8 was performed according to compound III-1, using 1H-indole-2-carboxylic acid instead of 1-methyl-1H-imidazole-5-carboxylic acid in the final step.

Yield: 79 mg, 76% (last step)

ESI-MS: 614.4 [M+H]⁺

13 Preparation of Compound III-9

(S,E)-methyl 6-(4,5-difluoro-1H-indole-2-carboxamido)-7-(1-(2-(2-adamantylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-7-oxohept-2-enoate

• • Chemical Formula: C₃₄H₃₇F₂N₅O₆
  • Exact Mass: 649.27
  • Molecular Weight: 649.68

The synthesis of compound III-9 was performed according to compound III-1, using 4,5-difluoro-1H-indole-2-carboxylic acid instead of 1-methyl-1H-imidazole-5-carboxylic acid in the final step.

Yield: 43 mg, 76% (last step)

ESI-MS: 650.3 [M+H]⁺

14 Preparation of Compound III-10

(S,E)-methyl 7-(1-(2-(2-adamantylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(3-methyl-1H-indole-2-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₃₅H₄₁N₅O₆
  • Exact Mass: 627.31
  • Molecular Weight: 627.73

The synthesis of compound III-10 was performed according to compound III-1, using 3-methyl-1H-indole-2-carboxylic acid instead of 1-methyl-1H-imidazole-5-carboxylic acid in the final step.

Yield: 73 mg, 82% (last step)

ESI-MS: 628.4 [M+H]⁺

Preparation of Compound III-11

(S,E)-methyl 6-(1H-benzo[d]imidazole-2-carboxamido)-7-(1-(2-(2-adamantylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-7-oxohept-2-enoate

• • Chemical Formula: C₃₃H₃₈N₆O₆
  • Exact Mass: 614.29
  • Molecular Weight: 614.69

The synthesis of compound III-11 was performed according to compound III-1, using 1H-benzo[d]imidazole-2-carboxylic acid instead of 1-methyl-1H-imidazole-5-carboxylic acid in the final step.

Yield: 22 mg, 41% (last step)

ESI-MS: 615.4 [M+H]⁺

16 Preparation of Compound III-12

(S,E)-methyl 6-(2,3-dihydro-1H-indene-2-carboxamido)-7-(1-(2-(2-adamantylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-7-oxohept-2-enoate

• • Chemical Formula: C₃₅H₄₂N₄O₆
  • Exact Mass: 614.31
  • Molecular Weight: 614.73

The synthesis of compound III-12 was performed according to compound III-1, using 2,3-dihydro-1H-indene-2-carboxylic acid instead of 1-methyl-1H-imidazole-5-carboxylic acid in the final step.

Yield: 51 mg, 75% (last step)

ESI-MS: 615.4 [M+H]⁺

17 Preparation of Compound III-13

(S,E)-methyl 6-(2,5-dichlorothiophene-3-carboxamido)-7-(1-(2-(2-adamantylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-7-oxohept-2-enoate

• • Chemical Formula: C₃₀H₃₄C₁₂N₄O₆S
  • Exact Mass: 648.16
  • Molecular Weight: 649.59

The synthesis of compound III-13 was performed according to compound III-1, using 2,5-dichlorothiophene-3-carboxylic acid instead of 1-methyl-1H-imidazole-5-carboxylic acid in the final step.

Yield: 78 mg, 71% (last step)

ESI-MS: 649.3/651.3 [M+H]⁺

18 Preparation of Compound III-14

(S,E)-methyl 7-(1-(2-(2-adamantylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(4-methyl-2-(trifluoromethyl)thiazole-5-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₃₁H₃₆F₃N₅O₆S
  • Exact Mass: 663.23
  • Molecular Weight: 663.71

The synthesis of compound III-14 was performed according to compound III-1, using 4-methyl-2-(trifluoromethyl)thiazole-5-carboxylic acid instead of 1-methyl-1H-imidazole-5-carboxylic acid in the final step.

Yield: 52 mg, 67% (last step)

ESI-MS: 664.4 [M+H]⁺

19 Preparation of Compound III-15

(S,E)-methyl 6-(3,5-dibromothiophene-2-carboxamido)-7-(1-(2-(2-adamantylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-7-oxohept-2-enoate

• • Chemical Formula: C₃₀H₃₄Br₂N₄O₆S
  • Exact Mass: 736.06
  • Molecular Weight: 738.49

The synthesis of compound III-15 was performed according to compound III-1, using 3,5-dibromothiophene-2-carboxylic acid instead of 1-methyl-1H-imidazole-5-carboxylic acid in the final step.

Yield: 143 mg, 86% (last step)

ESI-MS: 737.2/739.2/741.2 [M+H]⁺

Preparation of Compound III-16

(S,E)-methyl 6-(2,5-dibromothiophene-3-carboxamido)-7-(1-(2-(2-adamantylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-7-oxohept-2-enoate

• • Chemical Formula: C₃₀H₃₄Br₂N₄O₆S
  • Exact Mass: 736.06
  • Molecular Weight: 738.49

The synthesis of compound III-16 was performed according to compound III-1, using 2,5-dibromothiophene-3-carboxylic acid instead of 1-methyl-1H-imidazole-5-carboxylic acid in the final step.

Yield: 107 mg, 65% (last step)

ESI-MS: 737.2/739.2/741.2 [M+H]⁺

21 Preparation of Compound III-17

(S,E)-methyl 6-(5-bromothiophene-3-carboxamido)-7-(1-(2-(2-adamantylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-7-oxohept-2-enoate

• • Chemical Formula: C₃₀H₃₅BrN₄O₆S
  • Exact Mass: 658.15
  • Molecular Weight: 659.59

The synthesis of compound III-17 was performed according to compound III-1, using 5-bromothiophene-3-carboxylic acid instead of 1-methyl-1H-imidazole-5-carboxylic acid in the final step.

Yield: 89 mg, 80% (last step)

ESI-MS: 659.2/661.2 [M+H]⁺

22 Preparation of Compound III-18

(S,E)-methyl 6-(4-bromothiophene-2-carboxamido)-7-(1-(2-(2-adamantylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-7-oxohept-2-enoate

• • Chemical Formula: C₃₀H₃₅BrN₄O₆S
  • Exact Mass: 658.15
  • Molecular Weight: 659.59

The synthesis of compound III-18 was performed according to compound III-1, using 4-bromothiophene-2-carboxylic acid instead of 1-methyl-1H-imidazole-5-carboxylic acid in the final step.

Yield: 143 mg, 76% (last step)

ESI-MS: 659.2/661.2 [M+H]⁺

23 Preparation of Compound III-19

(S,E)-methyl 6-(4,5-dibromothiophene-2-carboxamido)-7-(1-(2-(2-adamantylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-7-oxohept-2-enoate

• • Chemical Formula: C₃₀H₃₄Br₂N₄O₆S
  • Exact Mass: 736.06
  • Molecular Weight: 738.49

The synthesis of compound III-19 was performed according to compound III-1, using 4,5-dibromothiophene-2-carboxylic acid instead of 1-methyl-1H-imidazole-5-carboxylic acid in the final step.

Yield: 57 mg, 64% (last step)

ESI-MS: 737.2/739.2/741.2 [M+H]⁺

24 Preparation of Compound III-20

(S,E)-methyl 6-(4,5-dichlorothiophene-2-carboxamido)-7-(1-(2-(2-adamantylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-7-oxohept-2-enoate

• • Chemical Formula: C₃₀H₃₄C₁₂N₄O₆S
  • Exact Mass: 648.16
  • Molecular Weight: 649.59

The synthesis of compound III-20 was performed according to compound III-1, using 4,5-dichlorothiophene-2-carboxylic acid instead of 1-methyl-1H-imidazole-5-carboxylic acid in the final step.

Yield: 78 mg, 73% (last step)

ESI-MS: 649.3/651.3 [M+H]⁺

Preparation of Compound III-21

(S,E)-methyl 6-((S)-1-acetylpyrrolidine-2-carboxamido)-7-(1-(2-(2-adamantylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-7-oxohept-2-enoate

• • Chemical Formula: C₃₂H₄₃N₅O₇
  • Exact Mass: 609.32
  • Molecular Weight: 609.71

The synthesis of compound III-21 was performed according to compound III-1, using (S)-1-acetylpyrrolidine-2-carboxylic acid instead of 1-methyl-1H-imidazole-5-carboxylic acid in the final step.

Yield: 114 mg, 86% (last step)

ESI-MS: 610.4 [M+H]⁺

26 Preparation of Compound III-22

(S,E)-methyl 7-(1-(2-(2-adamantylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(1-methyl-1H-1,2,3-triazole-5-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₂₉H₃₇N₇O₆
  • Exact Mass: 579.28
  • Molecular Weight: 579.65

The synthesis of compound III-22 was performed according to compound III-1, using 1-methyl-1H-1,2,3-triazole-5-carboxylic acid instead of 1-methyl-1H-imidazole-5-carboxylic acid in the final step.

Yield: 45 mg, 59% (last step)

ESI-MS: 580.4 [M+H]⁺

27 Preparation of Compound III-23

(S,E)-methyl 7-(1-(2-(2-adamantylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-7-oxo-6-(2H-tetrazole-5-carboxamido)hept-2-enoate

• • Chemical Formula: C₂₇H₃₄N₈O₆
  • Exact Mass: 566.26
  • Molecular Weight: 566.61

The synthesis of compound III-23 was performed according to compound III-1, using 2H-tetrazole-5-carboxylic acid instead of 1-methyl-1H-imidazole-5-carboxylic acid in the final step.

Yield: 42 mg, 57% (last step)

ESI-MS: 567.4 [M+H]⁺

28 Preparation of Compound III-24

(S,E)-methyl 7-(1-(2-(2-adamantylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-7-oxo-6-(pyrazine-2-carboxamido)hept-2-enoate

• • Chemical Formula: C₃₀H₃₆N₆O₆
  • Exact Mass: 576.27
  • Molecular Weight: 576.64

The synthesis of compound III-24 was performed according to compound III-1, using pyrazine-2-carboxylic acid instead of 1-methyl-1H-imidazole-5-carboxylic acid in the final step.

Yield: 54 mg, 68% (last step)

ESI-MS: 577.3 [M+H]⁺

29 Preparation of Compound III-25

(S,E)-methyl 7-(1-(2-(2-adamantylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-((S)-1-methylpyrrolidine-2-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₃₁H₄₃N₅O₆
  • Exact Mass: 581.32
  • Molecular Weight: 581.70

The synthesis of compound III-25 was performed according to compound III-1, using (S)-1-methylpyrrolidine-2-carboxylic acid instead of 1-methyl-1H-imidazole-5-carboxylic acid in the final step.

Yield: 85 mg, 79% (last step)

ESI-MS: 582.4 [M+H]⁺

Preparation of Compound III-26

(S,E)-methyl 7-(1-(2-(2-adamantylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-7-oxo-6-((S)-pyrrolidine-3-carboxamido)hept-2-enoate

• • Chemical Formula: C₃₀H₄₁N₅O₆
  • Exact Mass: 567.31
  • Molecular Weight: 567.68

The synthesis of compound III-26 was performed according to compound III-1, using (S)-1-Boc-pyrrolidine-3-carboxylic acid instead of 1-methyl-1H-imidazole-5-carboxylic acid. The final product was obtained by deprotection (DCM/TFA) as described above and purified by HPLC.

Yield: 78 mg, 93% (last step)

ESI-MS: 568.4 [M+H]⁺

31 Preparation of Compound III-27

(S,E)-methyl 6-((2S,4S)-4-bromopyrrolidine-2-carboxamido)-7-(1-(2-(2-adamantylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-7-oxohept-2-enoate

• • Chemical Formula: C₃₀H₄₀BrN₅O₆
  • Exact Mass: 645.22
  • Molecular Weight: 646.57

The synthesis of compound III-27 was performed according to compound III-1, using (2S,4S)-1-Boc-4-bromopyrrolidine-2-carboxylic acid instead of 1-methyl-1H-imidazole-5-carboxylic acid. The final product was obtained by deprotection (DCM/TFA) as described above and purified by HPLC.

Yield: 56 mg, 89% (last step)

ESI-MS: 646.3/648.3 [M+H]⁺

32 Preparation of Compound III-28

(S,E)-methyl 6-(1H-imidazole-4-carboxamido)-7-(1-(2-(2-adamantylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-7-oxohept-2-enoate

• • Chemical Formula: C₂₉H₃₆N₆O₆
  • Exact Mass: 564.27
  • Molecular Weight: 564.63

The synthesis of compound III-28 was performed according to compound III-1, using 1-Boc-imidazole-4-carboxylic acid instead of 1-methyl-1H-imidazole-5-carboxylic acid.

The final product was obtained by deprotection (DCM/TFA) as described above and purified by HPLC.

Yield: 45 mg, 86% (last step)

ESI-MS: 565.3 [M+H]⁺

33 Preparation of Compound III-29

(S,E)-methyl 7-(1-(2-(2-adamantylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-7-oxo-6-((S)-piperidine-2-carboxamido)hept-2-enoate

• • Chemical Formula: C₃₁H₄₃N₅O₆
  • Exact Mass: 581.32
  • Molecular Weight: 581.70

The synthesis of compound III-29 was performed according to compound III-1, using (S)-1-Boc-piperidine-2-carboxylic acid instead of 1-methyl-1H-imidazole-5-carboxylic acid. The final product was obtained by deprotection (DCM/TFA) as described above and purified by HPLC.

Yield: 108 mg, 94% (last step)

ESI-MS: 582.4 [M+H]⁺

34 Preparation of Compound III-30

(S,E)-methyl 7-(1-(2-(2-adamantylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-7-oxo-6-((R)-piperidine-3-carboxamido)hept-2-enoate

• • Chemical Formula: C₃₁H₄₃N₅O₆
  • Exact Mass: 581.32
  • Molecular Weight: 581.70

The synthesis of compound III-30 was performed according to compound III-1, using (R)-1-Boc-piperidine-3-carboxylic acid instead of 1-methyl-1H-imidazole-5-carboxylic acid. The final product was obtained by deprotection (DCM/TFA) as described above and purified by HPLC.

Yield: 68 mg, 87% (last step)

ESI-MS: 582.4 [M+H]⁺

Preparation of Compound III-31

(S,E)-methyl 7-(1-(2-(2-adamantylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-((R)-morpholine-3-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₃₀H₄₁N₅O₇
  • Exact Mass: 583.30
  • Molecular Weight: 583.68

The synthesis of compound III-31 was performed according to compound III-1, using (R)-4-Boc-morpholine-3-carboxylic acid instead of 1-methyl-1H-imidazole-5-carboxylic acid. The final product was obtained by deprotection (DCM/TFA) as described above and purified by HPLC.

Yield: 73 mg, 90% (last step)

ESI-MS: 584.4 [M+H]⁺

36 Preparation of Compound III-32

(S,E)-methyl 7-(1-(2-(2-adamantylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-7-oxo-6-(quinuclidine-3-carboxamido)hept-2-enoate

• • Chemical Formula: C₃₃H₄₅N₅O₆
  • Exact Mass: 607.34
  • Molecular Weight: 607.74

The synthesis of compound III-32 was performed according to compound III-1, using quinuclidine-3-carboxylic acid instead of 1-methyl-1H-imidazole-5-carboxylic acid in the final step.

Yield: 23 mg, 71% (last step)

ESI-MS: 608.4 [M+H]⁺

37 Preparation of Compound III-33

(S,E)-methyl 3-(1-(1-(2-(2-adamantylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-7-methoxy-1,7-dioxohept-5-en-2-ylcarbamoyl)-5-nitrobenzoate

• • Chemical Formula: C₃₄H₃₉N₅O₁₀
  • Exact Mass: 677.27
  • Molecular Weight: 677.70

The synthesis of compound III-33 was performed according to compound III-1, using mono-methyl 5-nitroisophthalate instead of 1-methyl-1H-imidazole-5-carboxylic acid in the final step.

Yield: 68 mg, 86% (last step)

ESI-MS: 678.3 [M+H]⁺

38 Preparation of Compound III-34

(S,E)-methyl 7-(1-(2-(2-adamantylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(5-nitronicotinamido)-7-oxohept-2-enoate

• • Chemical Formula: C₃₁H₃₆N₆O₈
  • Exact Mass: 620.26
  • Molecular Weight: 620.65

The synthesis of compound III-34 was performed according to compound III-1, using 5-nitronicotinic acid instead of 1-methyl-1H-imidazole-5-carboxylic acid in the final step.

Yield: 54 mg, 75% (last step)

ESI-MS: 621.3 [M+H]⁺

39 Preparation of Compound III-35

(S,E)-5-(1-(1-(2-(2-adamantylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-7-methoxy-1,7-dioxohept-5-en-2-ylcarbamoyl)nicotinic acid

• • Chemical Formula: C₃₂H₃₇N₅O₈
  • Exact Mass: 619.26
  • Molecular Weight: 619.66

The synthesis of compound III-35 was performed according to compound III-1, using 3,5-pyridinedicarboxylic acid instead of 1-methyl-1H-imidazole-5-carboxylic acid in the final step.

Yield: 28 mg, 63% (last step)

ESI-MS: 620.3 [M+H]⁺

Preparation of Compound III-36

(S,E)-methyl 5-(1-(1-(2-(2-adamantylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-7-methoxy-1,7-dioxohept-5-en-2-ylcarbamoyl)nicotinate

• • Chemical Formula: C₃₃H₃₉N₅O₈
  • Exact Mass: 633.28
  • Molecular Weight: 633.69

The synthesis of compound III-36 was performed according to compound III-1, using 5-(methoxycarbonyl)nicotinic acid instead of 1-methyl-1H-imidazole-5-carboxylic acid in the final step.

Yield: 48 mg, 77% (last step)

ESI-MS: 634.3 [M+H]⁺

41 Preparation of Compound III-37

(S,E)-methyl 7-(1-(2-(2-adamantyl(methyl)amino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(3-methylbenzofuran-2-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₃₆H₄₂N₄O₇
  • Exact Mass: 642.31
  • Molecular Weight: 642.74

The synthesis of compound III-37 was performed according to compound III-2, using N-methyl-2-adamantanamine instead of 2-adamantanamine in step 2 (according to ZED3905).

Yield: 42 mg, 47% (last step)

ESI-MS: 643.4 [M+H]⁺

42 Preparation of Compound III-38

(S,E)-methyl 7-(1-(2-(5-hydroxyadamantan-2-amino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(3-methylbenzofuran-2-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₃₅H₄₀N₄O₈
  • Exact Mass: 644.28
  • Molecular Weight: 644.71

The synthesis of compound III-38 was performed according to compound III-2, using 5-hydroxy-2-adamantanamine instead of 2-adamantanamine in step 2 (according to ZED3905).

Yield: 35 mg, 24% (last step)

ESI-MS: 645.4 [M+H]⁺

43 Preparation of Compound III-39

(S,E)-methyl 7-(1-(2-(5-fluoroadamantan-2-amino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(3-methylbenzofuran-2-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₃₅H₃₉FN₄O₇
  • Exact Mass: 646.28
  • Molecular Weight: 646.71

The synthesis of compound IIII-39 was performed according to compound IIII-2, using 5-fluoro-2-adamantanamine instead of 2-adamantanamine in step 2 (according to ZED3905).

Yield: 64 mg, 68% (last step)

ESI-MS: 647.4 [M+H]⁺

44 Preparation of Compound III-40

(S,E)-methyl 7-(1-(2-(5-chloroadamantan-2-amino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(3-methylbenzofuran-2-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₃₅H₃₉ClN₄O₇
  • Exact Mass: 662.25
  • Molecular Weight: 663.16

The synthesis of compound III-40 was performed according to compound III-2, using 5-chloro-2-adamantanamine instead of 2-adamantanamine in step 2 (according to ZED3905).

Yield: 32 mg, 27% (last step)

ESI-MS: 663.3/665.3 [M+H]⁺

Preparation of Compound III-41

(S,E)-methyl 7-(1-(2-(5-bromoadamantan-2-amino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(3-methylbenzofuran-2-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₃₅H₃₉BrN₄O₇
  • Exact Mass: 706.20
  • Molecular Weight: 707.61

The synthesis of compound III-41 was performed according to compound III-2, using 5-bromo-2-adamantanamine instead of 2-adamantanamine in step 2 (according to ZED3905).

Yield: 41 mg, 57% (last step)

ESI-MS: 707.3/709.3 [M+H]⁺

46 Preparation of Compound III-42

(S,E)-methyl 7-(1-(2-(5-methyladamantan-2-amino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(3-methylbenzofuran-2-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₃₆H₄₂N₄O₇
  • Exact Mass: 642.31
  • Molecular Weight: 642.74

The synthesis of compound III-42 was performed according to compound III-2, using 5-methyl-2-adamantanamine instead of 2-adamantanamine in step 2 (according to ZED3905).

Yield: 51 mg, 47% (last step)

ESI-MS: 643.4 [M+H]⁺

47 Preparation of Compound III-43

(S,E)-methyl 7-(1-(2-(2-carbonitrileadamantane-2-amino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(3-methylbenzofuran-2-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₃₆H₃₉N₅O₇
  • Exact Mass: 653.28
  • Molecular Weight: 653.72

The synthesis of compound III-43 was performed according to compound III-2, using 2-aminoadamantane-2-carbonitrile instead of 2-adamantanamine in step 2 (according to ZED3905).

Yield: 36 mg, 52% (last step)

ESI-MS: 654.4 [M+H]⁺

48 Preparation of Compound III-44

(S,E)-methyl 7-(1-(2-(2-methyl adamantane-2-carboxylate-2-amino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(3-methylbenzofuran-2-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₃₇H₄₂N₄O₉
  • Exact Mass: 686.30
  • Molecular Weight: 686.75

The synthesis of compound III-44 was performed according to compound III-2, using 2-methyl 2-aminoadamantane-2-carboxylate instead of 2-adamantanamine in step 2 (according to ZED3905).

Yield: 49 mg, 68% (last step)

ESI-MS: 687.4 [M+H]⁺

49 Preparation of Compound III-45

(S,E)-methyl 7-(1-(2-(1-adamantylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(3-methylbenzofuran-2-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₃₅H₄₀N₄O₇
  • Exact Mass: 628.29
  • Molecular Weight: 628.71

The synthesis of compound III-45 was performed according to compound III-2, using 1-adamantanamine instead of 2-adamantanamine in step 2 (according to ZED3905).

Yield: 214 mg, 77% (last step)

ESI-MS: 629.4 [M+H]⁺

50 Preparation of Compound III-46

(S,E)-methyl 7-(1-(2-(3,5-dimethyladamantan-1-amino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(3-methylbenzofuran-2-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₃₇H₄₄N₄O₇
  • Exact Mass: 656.32
  • Molecular Weight: 656.77

The synthesis of compound III-46 was performed according to compound III-2, using 3,5-dimethyl-1-adamantanamine instead of 2-adamantanamine in step 2 (according to ZED3905).

Yield: 67 mg, 77% (last step)

ESI-MS: 657.4 [M+H]⁺

51 Preparation of Compound III-47

(S,E)-methyl 7-(1-(2-(1-adamantyl(methyl)amino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(3-methylbenzofuran-2-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₃₆H₄₂N₄O₇
  • Exact Mass: 642.31
  • Molecular Weight: 642.74

The synthesis of compound III-47 was performed according to compound III-2, using N-methyl-1-adamantanamine instead of 2-adamantanamine in step 2 (according to ZED3905).

Yield: 36 mg, 41% (last step)

ESI-MS: 643.4 [M+H]⁺

52 Preparation of Compound III-48

(S,E)-methyl 7-(1-(2-(3-ethyladamantan-1-amino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(3-methylbenzofuran-2-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₃₇H₄₄N₄O₇
  • Exact Mass: 656.32
  • Molecular Weight: 656.77

The synthesis of compound III-48 was performed according to compound III-2, using 3-ethyl-1-adamantanamine instead of 2-adamantanamine in step 2 (according to ZED3905).

Yield: 78 mg, 54% (last step)

ESI-MS: 657.4 [M+H]⁺

53 Preparation of Compound III-49

(S,E)-methyl 7-(1-(2-(3-trifluoromethyladamantan-1-amino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(3-methylbenzofuran-2-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₃₆H₃₉F₃N₄O₇
  • Exact Mass: 696.28
  • Molecular Weight: 696.71

The synthesis of compound III-49 was performed according to compound III-2, using 3-trifluoromethyl-1-adamantanamine instead of 2-adamantanamine in step 2 (according to ZED3905).

Yield: 29 mg, 45% (last step)

ESI-MS: 697.4 [M+H]⁺

54 Preparation of Compound III-50

(S,E)-methyl 7-(1-(2-(3-hydroxyadamantan-1-amino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(3-methylbenzofuran-2-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₃₅H₄₀N₄O₈
  • Exact Mass: 644.28
  • Molecular Weight: 644.71

The synthesis of compound III-50 was performed according to compound III-2, using 3-hydroxy-1-adamantanamine instead of 2-adamantanamine in step 2 (according to ZED3905).

Yield: 23 mg, 37% (last step)

ESI-MS: 645.4 [M+H]⁺

55 Preparation of Compound III-51

(S,E)-methyl 7-(1-(2-(3-fluoroadamantan-1-amino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(3-methylbenzofuran-2-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₃₅H₃₉FN₄O₇
  • Exact Mass: 646.28
  • Molecular Weight: 646.71

The synthesis of compound III-51 was performed according to compound III-2, using 3-fluoro-1-adamantanamine instead of 2-adamantanamine in step 2 (according to ZED3905).

Yield: 56 mg, 62% (last step)

ESI-MS: 647.4 [M+H]⁺

56 Preparation of Compound III-52

(S,E)-methyl 7-(1-(2-(3-chloroadamantan-1-amino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(3-methylbenzofuran-2-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₃₅H₃₉ClN₄O₇
  • Exact Mass: 662.25
  • Molecular Weight: 663.16

The synthesis of compound III-52 was performed according to compound III-2, using 3-chloro-1-adamantanamine instead of 2-adamantanamine in step 2 (according to ZED3905).

Yield: 24 mg, 32% (last step)

ESI-MS: 663.3/665.3 [M+H]⁺

57 Preparation of Compound III-53

(S,E)-methyl 7-(1-(2-(3-bromoadamantan-1-amino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(3-methylbenzofuran-2-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₃₅H₃₉BrN₄O₇
  • Exact Mass: 706.20
  • Molecular Weight: 707.61

The synthesis of compound III-53 was performed according to compound III-2, using 3-bromo-1-adamantanamine instead of 2-adamantanamine in step 2 (according to ZED3905).

Yield: 25 mg, 42% (last step)

ESI-MS: 707.3/709.3 [M+H]⁺

58 Preparation of Compound III-54

(S,E)-methyl 7-(1-(2-(3-methyl adamantane-3-carboxylate-1-amino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(3-methylbenzofuran-2-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₃₇H₄₂N₄O₉
  • Exact Mass: 686.30
  • Molecular Weight: 686.75

The synthesis of compound III-54 was performed according to compound III-2, using methyl 3-aminoadamantane-1-carboxylate instead of 2-adamantanamine in step 2 (according to ZED3905).

Yield: 38 mg, 52% (last step)

ESI-MS: 687.4 [M+H]⁺

59 Preparation of Compound III-55

(S,E)-methyl 7-(1-(2-(4,4-difluoroadamantan-1-amino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(3-methylbenzofuran-2-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₃₅H₃₈F₂N₄O₇
  • Exact Mass: 664.27
  • Molecular Weight: 664.70

The synthesis of compound III-55 was performed according to compound III-2, using 4,4-difluoro-1-adamantanamine instead of 2-adamantanamine in step 2 (according to ZED3905).

Yield: 11 mg, 36% (last step)

ESI-MS: 665.4 [M+H]⁺

60 Preparation of Compound III-56

(S,E)-methyl 7-(1-(2-(1-adamantylmethylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(3-methylbenzofuran-2-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₃₆H₄₂N₄O₇
  • Exact Mass: 642.31
  • Molecular Weight: 642.74

The synthesis of compound III-56 was performed according to compound III-2, using 1-adamantanemethylamine instead of 2-adamantanamine in step 2 (according to ZED3905).

Yield: 47 mg, 68% (last step)

ESI-MS: 643.4 [M+H]⁺

61 Preparation of Compound III-57

The synthesis of compound III-57 was performed according to compound III-2, using 1-rimantadine instead of 2-adamantanamine in step 2 (according to ZED3905).

Yield: 23 mg, 35% (last step)

ESI-MS: 657.5 [M+H]⁺

62 Preparation of Compound III-58

(S,E)-methyl 7-(1-(2-((1S,2R,4R)-bicyclo[2.2.1]heptan-2-ylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(1-methyl-1H-imidazole-5-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₂₇H₃₄N₆O₆
  • Exact Mass: 538.25
  • Molecular Weight: 538.60

The synthesis of compound III-58 was performed according to compound III-1, using (±)-endo-2-norbornylamine instead of 2-adamantanamine in step 2 (according to ZED3905).

Yield: 36 mg, 53% (last step)

ESI-MS: 539.4 [M+H]⁺

63 Preparation of Compound III-59

(S,E)-methyl 7-(1-(2-((1 S,2R,4R)-bicyclo[2.2.1]heptan-2-ylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(3-methylbenzofuran-2-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₃₂H₃₆N₄O₇
  • Exact Mass: 588.26
  • Molecular Weight: 588.65

The synthesis of compound III-59 was performed according to compound III-2, using (±)-endo-2-norbornylamine instead of 2-adamantanamine in step 2 (according to ZED3905).

Yield: 56 mg, 69% (last step)

ESI-MS: 589.4 [M+H]⁺

64 Preparation of Compound III-60

(S,E)-methyl 6-(1-methyl-1H-imidazole-5-carboxamido)-7-oxo-7-(2-oxo-1-(2-oxo-2-((1R,2S,4R)-1,7,7-trimethylbicyclo[2.2.1]heptan-2-ylamino)ethyl)-1,2-dihydropyridin-3-ylamino)hept-2-enoate

• • Chemical Formula: C₃₀H₄₀N₆O₆
  • Exact Mass: 580.30
  • Molecular Weight: 580.68

The synthesis of compound III-60 was performed according to compound III-1, using (R)-(+)-bornylamine instead of 2-adamantanamine in step 2 (according to ZED3905).

Yield: 25 mg, 49% (last step)

ESI-MS: 581.5 [M+H]⁺

65 Preparation of Compound III-61

(S,E)-methyl 6-(3-methylbenzofuran-2-carboxamido)-7-oxo-7-(2-oxo-1-(2-oxo-2-((1R,2S,4R)-1,7,7-trimethylbicyclo[2.2.1]heptan-2-ylamino)ethyl)-1,2-dihydropyridin-3-ylamino)hept-2-enoate

• • Chemical Formula: C₃₅H₄₂N₄O₇
  • Exact Mass: 630.31
  • Molecular Weight: 630.73

The synthesis of compound III-61 was performed according to compound III-2, using (R)-(+)-bornylamine instead of 2-adamantanamine in step 2 (according to ZED3905).

Yield: 42 mg, 63% (last step)

ESI-MS: 631.5 [M+H]⁺

66 Preparation of Compound III-62

(S,E)-methyl 7-(1-(2-((1R,2R,4S)-bicyclo[2.2.1]heptan-2-ylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(1-methyl-1H-imidazole-5-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₂₇H₃₄N₆O₆
  • Exact Mass: 538.25
  • Molecular Weight: 538.60

The synthesis of compound III-62 was performed according to compound III-1, using exo-2-aminonorbornane instead of 2-adamantanamine in step 2 (according to ZED3905).

Yield: 56 mg, 64% (last step)

ESI-MS: 539.4 [M+H]⁺

67 Preparation of Compound III-63

(S,E)-methyl 7-(1-(2-((1R,2R,4S)-bicyclo[2.2.1]heptan-2-ylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(3-methylbenzofuran-2-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₂₇H₃₄N₆O₆
  • Exact Mass: 538.25
  • Molecular Weight: 538.60

The synthesis of compound III-63 was performed according to compound III-2, using exo-2-aminonorbornane instead of 2-adamantanamine in step 2 (according to ZED3905).

Yield: 78 mg, 71% (last step)

ESI-MS: 589.4 [M+H]⁺

68 Preparation of Compound III-64

(S,E)-methyl 7-(1-(2-(bicyclo[2.2.1]heptan-1-ylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(3-methylbenzofuran-2-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₃₂H₃₆N₄O₇
  • Exact Mass: 588.26
  • Molecular Weight: 588.65

The synthesis of compound III-64 was performed according to compound III-2, using bicyclo[2.2.1]heptan-1-ylamine instead of 2-adamantanamine in step 2 (according to ZED3905).

Yield: 27 mg, 52% (last step)

ESI-MS: 589.4 [M+H]⁺

69 Preparation of Compound III-65

(S,E)-methyl 7-(1-(2-(bicyclo[2.2.1]heptan-7-ylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(3-methylbenzofuran-2-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₃₂H₃₆N₄O₇
  • Exact Mass: 588.26
  • Molecular Weight: 588.65

The synthesis of compound III-65 was performed according to compound III-2, using bicyclo[2.2.1]heptan-7-ylamine instead of 2-adamantanamine in step 2 (according to ZED3905).

Yield: 52 mg, 75% (last step)

ESI-MS: 589.4 [M+H]⁺

70 Preparation of Compound III-66

(S,E)-methyl 7-(1-(2-(bicyclo[2.2.1]hept-5-en-2-ylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(3-methylbenzofuran-2-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₃₂H₃₄N₄O₇
  • Exact Mass: 586.24
  • Molecular Weight: 586.63

The synthesis of compound III-66 was performed according to compound III-2, using bicyclo[2.2.1]hept-5-en-2-amine instead of 2-adamantanamine in step 2 (according to ZED3905).

Yield: 36 mg, 54% (last step)

ESI-MS: 587.4 [M+H]⁺

71 Preparation of Compound III-67

(6S,E)-methyl 7-(1-(2-(bicyclo[2.2.2]octan-2-ylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(3-methylbenzofuran-2-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₃₃H₃₈N₄O₇
  • Exact Mass: 602.27
  • Molecular Weight: 602.68

The synthesis of compound III-67 was performed according to compound III-2, using bicyclo[2.2.2]oct-2-ylamine instead of 2-adamantanamine in step 2 (according to ZED3905).

Yield: 42 mg, 51% (last step)

ESI-MS: 603.4 [M+H]⁺

72 Preparation of Compound III-68

(S,E)-methyl 6-(3-methylbenzofuran-2-carboxamido)-7-oxo-7-(2-oxo-1-(2-oxo-2-((1R,2R,4R)-1,7,7-trimethylbicyclo[2.2.1]heptan-2-ylamino)ethyl)-1,2-dihydropyridin-3-ylamino)hept-2-enoate

• • Chemical Formula: C₃₅H₄₂N₄O₇
  • Exact Mass: 630.31
  • Molecular Weight: 630.73

The synthesis of compound III-68 was performed according to compound III-2, using (R)-(−)-isobornylamine instead of 2-adamantanamine in step 2 (according to ZED3905).

Yield: 26 mg, 56% (last step)

ESI-MS: 631.5 [M+H]⁺

73 Preparation of Compound III-69

(S,E)-methyl 6-(3-methylbenzofuran-2-carboxamido)-7-oxo-7-(2-oxo-1-(2-oxo-2-((1R,2R,3R,5S)-2,6,6-trimethylbicyclo[3.1.1]heptan-3-ylamino)ethyl)-1,2-dihydropyridin-3-ylamino)hept-2-enoate

• • Chemical Formula: C₃₅H₄₂N₄O₇
  • Exact Mass: 630.31
  • Molecular Weight: 630.73

The synthesis of compound III-69 was performed according to compound III-2, using (1R,2R,3R,5S)-(−)-isopinocampheylamine instead of 2-adamantanamine in step 2 (according to ZED3905).

Yield: 15 mg, 48% (last step)

ESI-MS: 631.5 [M+H]⁺

74 Preparation of Compound III-70

(S,E)-methyl 6-(3-methylbenzofuran-2-carboxamido)-7-oxo-7-(2-oxo-1-(2-oxo-2-((1S,2S,3S,5R)-2,6,6-trimethylbicyclo[3.1.1]heptan-3-ylamino)ethyl)-1,2-dihydropyridin-3-ylamino)hept-2-enoate

• • Chemical Formula: C₃₅H₄₂N₄O₇
  • Exact Mass: 630.31
  • Molecular Weight: 630.73

The synthesis of compound III-70 was performed according to compound III-2, using (1S,2S,3S,5R)-(+)-isopinocampheylamine instead of 2-adamantanamine in step 2 (according to ZED3905).

Yield: 21 mg, 58% (last step)

ESI-MS: 631.5 [M+H]⁺

75 Preparation of Compound III-71

(S,E)-methyl 7-(1-(2-(((1S,2R,5S)-6,6-dimethylbicyclo[3.1.1]heptan-2-yl)methylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(3-methylbenzofuran-2-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₃₅H₄₂N₄O₇
  • Exact Mass: 630.31
  • Molecular Weight: 630.73

The synthesis of compound III-71 was performed according to compound III-2, using (−)-cis-myrtanylamine instead of 2-adamantanamine in step 2 (according to ZED3905).

Yield: 12 mg, 45% (last step)

ESI-MS: 631.5 [M+H]⁺

76 Preparation of Compound III-72

(S,E)-methyl 7-(1-(2-(4-homoisotwistane-3-amino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(3-methylbenzofuran-2-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₃₆H₄₂N₄O₇
  • Exact Mass: 642.31
  • Molecular Weight: 642.74

The synthesis of compound III-72 was performed according to compound III-2, using 3-amino-4-homoisotwistane instead of 2-adamantanamine in step 2 (according to ZED3905).

Yield: 23 mg, 59% (last step)

ESI-MS: 643.5 [M+H]⁺

77 Preparation of Compound III-73

(S,E)-methyl 7-(1-(2-(diamantane-1-amino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(3-methylbenzofuran-2-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₃₉H₄₄N₄O₇
  • Exact Mass: 680.32
  • Molecular Weight: 680.79

The synthesis of compound III-73 was performed according to compound III-2, using 1-aminodiamantane instead of 2-adamantanamine in step 2 (according to ZED3905).

Yield: 26 mg, 62% (last step)

ESI-MS: 681.5 [M+H]⁺

78 Preparation of Compound III-74

(S,E)-methyl 7-(1-(2-(diamantane-4-amino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(3-methylbenzofuran-2-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₃₉H₄₄N₄O₇
  • Exact Mass: 680.32
  • Molecular Weight: 680.79

The synthesis of compound III-74 was performed according to compound III-2, using 4-aminodiamantane instead of 2-adamantanamine in step 2 (according to ZED3905).

Yield: 17 mg, 53% (last step)

ESI-MS: 681.5 [M+H]⁺

79 Preparation of ZED4684

diethyl 2-(dimethylamino)-2-oxoethylphosphonate

• • Chemical Formula: C₈H₁₈NO₄P
  • Exact Mass: 223.10
  • Molecular Weight: 223.21

2.5 mL (24.3 mmol) of 2-chloro-N,N-dimethylacetamide and 4.2 mL (1 eq) of triethyl phosphite were stirred at 160° C. for 8 h. The mixture was purified by HPLC.

Yield: 2.50 g, 46%

ESI-MS: 224.4 [M+H]⁺

80 Preparation of ZED4688

(S,E)-tert-butyl 2-(bis(tert-butoxycarbonyl)amino)-7-(dimethylamino)-7-oxohept-5-enoate

• • Chemical Formula: C₂₃H₄₀N₂O₇
  • Exact Mass: 456.28
  • Molecular Weight: 456.57

500 mg (2.24 mmol) of ZED4684 were dissolved in 16 mL THF. At 0° C., 251 mg (2.24 mmol) of potassium tert-butoxide were added. After 30 min, 723 mg (1.87 mmol) of the aldehyde (S)-tert-butyl 2-(bis(tert-butoxycarbonyl)amino)-5-oxopentanoate (ZED721) in 16 mL THF were added and the mixture was stirred at 0° C. for 1.5 h before being quenched with water (16 mL, 0° C.). After extraction with EtOAc (2×32 mL), the combined organic phases were washed with brine (15 mL), dried over Na₂SO₄, filtered and the solvent was evaporated. The residue was purified by HPLC.

Yield: 659 mg, 77% ESI-MS: 457.5 [M+H]⁺

81 Preparation of ZED4690

(S,E)-2-(tert-butoxycarbonylamino)-7-(dimethylamino)-7-oxohept-5-enoic acid

• • Chemical Formula: C₁₄H₂₄N₂O₅
  • Exact Mass: 300.17
  • Molecular Weight: 300.35

659 mg of ZED4688 (1.44 mmol) were dissolved in 20 ml DCM/TFA (1:1) and stirred at room temperature for 1 h. The solvent was evaporated, and the residue was dissolved in 10 ml DMF and 245 μl DIPEA (2 eq). 310 mg (1 eq) of N-(tert-butoxycarbonyloxy)succinimide were added and the reaction was stirred at room temperature overnight. The solvent was evaporated and the residue was dissolved in ethyl acetate and washed twice with each citric acid solution (10%) and brine. The organic phase was dried over Na₂SO₄, filtered and the solvent was evaporated. The residue was purified by HPLC.

Yield: 242 mg, 56%

ESI-MS: 301.5 [M+H]⁺

82 Preparation of ZED4692

(S,E)-tert-butyl 7-(dimethylamino)-1-(1-(2-(2-adamantylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-1,7-dioxohept-5-en-2-ylcarbamate

• • Chemical Formula: C₃₁H₄₅N₅O₆
  • Exact Mass: 583.34
  • Molecular Weight: 583.72

242 mg (0.81 mmol) of ZED4688, 308 mg (1 eq) HATU and 244 mg (1 eq) ZED3906 were dissolved in 10 mL DMF and 276 μL DIPEA (2 eq) and stirred at 45° C. overnight.

The solvent was evaporated; the residue was dissolved in 50 mL EtOAc and washed twice with each 15 mL citric acid solution (10%), NaHCO₃ solution (10%) and brine. The organic phase was dried over Na₂SO₄, filtered and the solvent was evaporated. The residue was purified by HPLC.

Yield: 288 mg, 61% ESI-MS: 584.4 [M+H]⁺

83 Preparation of Compound III-75

(S,E)-N⁷-(1-(2-(2-adamantylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-yl)-N¹,N¹-dimethyl-6-(3-methylbenzofuran-2-carboxamido)hept-2-enediamide

• • Chemical Formula: C₃₆H₄₃N₅O₆
  • Exact Mass: 641.32
  • Molecular Weight: 641.76

100 mg (0.17 mmol) of ZED4692 were dissolved in 6 ml DCM/TFA (1:1) and stirred at room temperature for 1 h. The solvent was evaporated, and the residue was dissolved in 15 ml DMF and 58 μl DIPEA (2 eq). 30 mg (1 eq) of 3-methylbenzo[b]furan-2-carboxylic acid and 65 mg (1 eq) of HATU were added, and the reaction was stirred at room temperature overnight. The solvent was evaporated; the residue was purified by HPLC.

Yield: 78 mg, 71% ESI-MS: 642.5 [M+H]⁺

84 Preparation of Compound III-76

(S,E)-N⁷-(1-(2-(2-adamantylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-yl)-N¹,N¹-dimethyl-6-(1-methyl-1H-imidazole-5-carboxamido)hept-2-enediamide

• • Chemical Formula: C₃₁H₄₁N₇O₅
  • Exact Mass: 591.32
  • Molecular Weight: 591.70

The synthesis of compound III-76 was performed according to compound III-75, using 1-methyl-1H-imidazole-5-carboxylic acid instead of 3-methylbenzo[b]furan-2-carboxylic acid in the final step.

Yield: 70 mg, 69% (last step)

ESI-MS: 592.5 [M+H]⁺

85 Preparation of Compound III-77

(S,E)-N⁷-(1-(2-(3,5-dimethyladamantan-1-amino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-yl)-N¹,N¹-dimethyl-6-(3-methylbenzofuran-2-carboxamido)hept-2-enediamide

• • Chemical Formula: C₃₈H₄₇N₅O₆
  • Exact Mass: 669.35
  • Molecular Weight: 669.81

The synthesis of compound III-77 was performed according to compound III-75, using 3,5-dimethyl-1-adamantanamine instead of 2-adamantanamine in step 2 (according to ZED3905).

Yield: 45 mg, 57% (last step)

ESI-MS: 670.5 [M+H]⁺

86 Preparation of Compound ZED4893

1-(1-adamantylmethyl)-3-nitropyridin-2(1H)-one

• • Chemical Formula: C₁₆H₂₀N₂O₃
  • Exact Mass: 288.15
  • Molecular Weight: 288.34

500 mg (3.57 mmol) of 2-hydroxy-3-nitropyridine and 818 mg (1 eq) of 1-(bromomethyl)adamantane were dissolved in 10 mL DMF and 1.24 mL DIPEA (2 eq) and stirred at room temperature overnight. The solvent was evaporated; the residue was dissolved in 30 mL EtOAc and washed twice with each 10 mL citric acid solution (10%), NaHCO₃ solution (10%) and brine. The organic phase was dried over Na₂SO₄, filtered and the solvent was evaporated. The residue was purified by HPLC.

Yield: 484 mg, 47% ESI-MS: 289.3 [M+H]⁺

87 Preparation of Compound ZED4894

3-amino-1-(1-adamantylmethyl)pyridin-2(1H)-one

• • Chemical Formula: C₁₆H₂₂N₂O
  • Exact Mass: 258.17
  • Molecular Weight: 258.36

484 mg (1.68 mmol) of ZED4893 were suspended in 30 mL MeOH before 50 mg of palladium (10%) on activated carbon (unreduced) were added. The suspension was stirred for 3 h at room temperature under an atmosphere of hydrogen. The catalyst was filtered, and the solvent was evaporated.

Yield: 339 mg, 78% ESI-MS: 259.4 [M+H]⁺

88 Preparation of Compound III-78

(S,E)-methyl 7-(1-(1-adamantylmethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(1-methyl-1H-imidazole-5-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₂₉H₃₇N₅O₅
  • Exact Mass: 535.28
  • Molecular Weight: 535.63

The synthesis of compound III-78 was performed according to compound III-1, using ZED4894 instead of ZED3906 in step 5 (according to ZED3907).

Yield: 43 mg, 59% (last step)

ESI-MS: 536.4 [M+H]⁺

89 Preparation of Compound III-79

(S,E)-methyl 7-(1-(1-adamantylmethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(3-methylbenzofuran-2-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₃₄H₃₉N₃O₆
  • Exact Mass: 585.28
  • Molecular Weight: 585.69

The synthesis of compound III-79 was performed according to compound III-2, using ZED4894 instead of ZED3906 in step 5 (according to ZED3907).

Yield: 56 mg, 69% (last step)

ESI-MS: 586.4 [M+H]⁺

90 Preparation of Compound III-80

(6S,E)-methyl 7-(1-((3-hydroxy-1-adamantyl)methyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(3-methylbenzofuran-2-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₃₄H₃₉N₃O₇
  • Exact Mass: 601.28
  • Molecular Weight: 601.69

The synthesis of compound III-80 was performed according to compound III-79, using 3-(bromomethyl)-1-adamantanol instead of 1-(bromomethyl)adamantane (according to ZED4893).

Yield: 29 mg, 51% (last step)

ESI-MS: 602.4 [M+H]⁺

91 Preparation of Compound III-81

(6S, E)-methyl 7-(1-((3-bromo-1-adamantyl)methyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(3-methylbenzofuran-2-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₃₄H₃₈BrN₃O
  • Exact Mass: 663.19
  • Molecular Weight: 664.59

The synthesis of compound III-81 was performed according to compound III-79, using 1-bromo-3-(bromomethyl)adamantane instead of 1-(bromomethyl)adamantane (according to ZED4893).

Yield: 37 mg, 61% (last step)

ESI-MS: 664.3/666.3 [M+H]⁺

92 Preparation of Compound III-82

(S,E)-methyl 7-(1-(2-adamantylmethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(3-methylbenzofuran-2-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₃₄H₃₉N₃O₆
  • Exact Mass: 585.28
  • Molecular Weight: 585.69

The synthesis of compound III-82 was performed according to compound III-79, using 2-(bromomethyl)adamantane instead of 1-(bromomethyl)adamantane (according to ZED4893).

Yield: 58 mg, 77% (last step)

ESI-MS: 586.4 [M+H]⁺

93 Preparation of Compound III-83

(S,E)-methyl 7-(1-(2-(2-adamantylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(nicotinamido)-7-oxohept-2-enoate

• • Chemical Formula: C₃₁H₃₇N₅O₆
  • Exact Mass: 575.27
  • Molecular Weight: 575.66

The synthesis of compound III-83 was performed according to compound III-1, using nicotinic acid instead of 3-methylbenzo[b]furan-2-carboxylic acid in the final step.

Yield: 59 mg, 79% (last step)

ESI-MS: 576.4 [M+H]⁺

94 Preparation of Compound III-84

(S,E)-methyl 6-(isonicotinamido)-7-(1-(2-(2-adamantylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-7-oxohept-2-enoate

• • Chemical Formula: C₃₁H₃₇N₅O₆
  • Exact Mass: 575.27
  • Molecular Weight: 575.66

The synthesis of compound III-84 was performed according to compound III-1, using isonicotinic acid instead of 3-methylbenzo[b]furan-2-carboxylic acid in the final step.

Yield: 73 mg, 85% (last step)

ESI-MS: 576.4 [M+H]⁺

95 Preparation of Compound III-85

(S,E)-methyl 7-(1-(2-(2-adamantylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-7-oxo-6-(pyridazine-4-carboxamido)hept-2-enoate

• • Chemical Formula: C₃₀H₃₆N₆O₆
  • Exact Mass: 576.27
  • Molecular Weight: 576.64

The synthesis of compound III-85 was performed according to compound III-1, using pyridazine-4-carboxylic acid instead of 3-methylbenzo[b]furan-2-carboxylic acid in the final step.

Yield: 54 mg, 78% (last step)

ESI-MS: 577.4 [M+H]⁺

96 Preparation of Compound III-86

(S,E)-methyl 7-(1-(2-(2-adamantylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-7-oxo-6-(pyridazine-3-carboxamido)hept-2-enoate

• • Chemical Formula: C₃₀H₃₆N₆O₆
  • Exact Mass: 576.27
  • Molecular Weight: 576.64

The synthesis of compound III-86 was performed according to compound III-1, using pyridazine-3-carboxylic acid instead of 3-methylbenzo[b]furan-2-carboxylic acid in the final step.

Yield: 47 mg, 82% (last step)

ESI-MS: 577.4 [M+H]⁺

97 Preparation of Compound III-87

(S,E)-methyl 7-(1-(2-(1-adamantylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(1-methyl-1H-imidazole-2-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₃₀H₃₈N₆O₆
  • Exact Mass: 578.29
  • Molecular Weight: 578.66

The synthesis of compound III-87 was performed according to compound III-1, using 1-adamantanamine instead of 2-adamantanamine in step 2 (according to ZED3905).

Yield: 117 mg, 78% (last step)

ESI-MS: 579.5 [M+H]⁺

98 Preparation of Compound III-88

(S,E)-methyl 7-(1-(2-(3,5-dimethyladamantane)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(1-methyl-1H-imidazole-5-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₃₂H₄₂N₆O₆
  • Exact Mass: 606.32
  • Molecular Weight: 606.71

The synthesis of compound III-88 was performed according to compound III-1, using 3,5-dimethyl-1-adamantanamine instead of 2-adamantanamine in step 2 (according to ZED3905).

Yield: 132 mg, 83% (last step)

ESI-MS: 607.5 [M+H]⁺

99 Preparation of Compound III-89

(S,E)-ethyl 7-(1-(2-(2-adamantylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(3-methylbenzofuran-2-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₃₆H₄₂N₄O₇
  • Exact Mass: 642.31
  • Molecular Weight: 642.74

The synthesis of compound III-89 was performed according to compound III-2, using (carbethoxyethylidene)triphenylphosphorane instead of (carbomethoxymethylene)triphenylphosphorane (according to ZED755).

Yield: 57 mg, 85% (last step)

ESI-MS: 643.5 [M+H]⁺

100 Preparation of Compound III-90

(S,E)-N-(1-(1-(2-(2-adamantylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(methylsulfonyl)-1-oxohex-5-en-2-yl)-3-methylbenzofuran-2-carboxamide

• • Chemical Formula: C₃₄H₄₀N₄O₇S
  • Exact Mass: 648.26
  • Molecular Weight: 648.77

The synthesis of compound III-90 was performed according to compound III-2, using diethyl (methanesulfonylmethyl)phosphonate instead of (carbomethoxymethylene)triphenylphosphorane (according to ZED755).

Yield: 79 mg, 72% (last step)

ESI-MS: 649.4 [M+H]⁺

101 Preparation of Compound III-91

• • Chemical Formula: C₃₃H₄₄N₆O₆
  • Exact Mass: 620.33
  • Molecular Weight: 620.74

(S,E)-methyl 7-(1-(2-(3,5,7-trimethyl-1-adamantylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(1-methyl-1H-imidazole-5-carboxamido)-7-oxohept-2-enoate

The synthesis of compound III-91 was performed according to compound III-1, using 3,5,7-trimethyl-1-adamantanamine instead of 2-adamantanamine in step 2 (according to ZED3905).

Yield: 41 mg, 69% (last step)

ESI-MS: 621.5 [M+H]⁺

102 Preparation of Compound III-92

• • Chemical Formula: C₃₈H₄₆N₄O₇
  • Exact Mass: 670.34
  • Molecular Weight: 670.79

(S,E)-methyl 7-(1-(2-(3,5,7-trimethyl-1-adamantylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(3-methylbenzofuran-2-carboxamido)-7-oxohept-2-enoate

The synthesis of compound III-92 was performed according to compound III-2, using 3,5,7-trimethyl-1-adamantanamine instead of 2-adamantanamine in step 2 (according to ZED3905).

Yield: 67 mg, 75% (last step)

ESI-MS: 671.5 [M+H]⁺

103 Preparation of Compound III-93

• • Chemical Formula: C₃₂H₄₃N₇O₆
  • Exact Mass: 621.33
  • Molecular Weight: 621.73

(S,E)-methyl 7-(1-(2-(3,5,7-trimethyl-1-adamantylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(1-methyl-1H-1,2,3-triazole-5-carboxamido)-7-oxohept-2-enoate

The synthesis of compound III-93 was performed according to compound III-22, using 3,5,7-trimethyl-1-adamantanamine instead of 2-adamantanamine in step 2 (according to ZED3905).

Yield: 34 mg, 68% (last step)

ESI-MS: 622.5 [M+H]⁺

104 Preparation of Compound III-94

• • Chemical Formula: C₃₃H₄OCl₂N₄O₆S
  • Exact Mass: 690.20
  • Molecular Weight: 691.66

(S,E)-methyl 6-(2,5-dichlorothiophene-3-carboxamido)-7-(1-(2-(3,5,7-trimethyl-1-adamantylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-7-oxohept-2-enoate

The synthesis of compound III-94 was performed according to compound III-13, using 3,5,7-trimethyl-1-adamantanamine instead of 2-adamantanamine in step 2 (according to ZED3905).

Yield: 69 mg, 88% (last step)

ESI-MS: 691.3/693.3 [M+H]⁺

105 Preparation of Compound III-95

• • Chemical Formula: C₃₄H₄₂F₃N₅O₆S
  • Exact Mass: 705.28
  • Molecular Weight: 705.79

(S,E)-methyl 7-(1-(2-(3,5,7-trimethyl-1-adamantylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(4-methyl-2-(trifluoromethyl)thiazole-5-carboxamido)-7-oxohept-2-enoate

The synthesis of compound III-95 was performed according to compound III-14, using 3,5,7-trimethyl-1-adamantanamine instead of 2-adamantanamine in step 2 (according to ZED3905).

Yield: 35 mg, 64% (last step)

ESI-MS: 706.4 [M+H]⁺

106 Preparation of Compound III-96

(S,E)-methyl 7-(1-(2-((1R,2R,4S)-bicyclo[2.2.1]heptan-2-ylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(1-methyl-1H-1,2,3-triazole-5-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₂₆H₃₃N₇O₆
  • Exact Mass: 539.25
  • Molecular Weight: 539.58

The synthesis of compound III-96 was performed according to compound III-22, using exo-2-aminonorbornane instead of 2-adamantanamine in step 2 (according to ZED3905).

Yield: 24 mg, 64% (last step)

ESI-MS: 540.4 [M+H]⁺

107 Preparation of Compound III-97

(S,E)-methyl 7-(1-(2-((1R,2R,4S)-bicyclo[2.2.1]heptan-2-ylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(2,5-dichlorothiophene-3-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₂₇H₃OCl₂N₄O₆S
  • Exact Mass: 608.13
  • Molecular Weight: 609.52

The synthesis of compound III-97 was performed according to compound III-13, using exo-2-aminonorbornane instead of 2-adamantanamine in step 2 (according to ZED3905).

Yield: 78 mg, 84% (last step)

ESI-MS: 609.3/611.3 [M+H]⁺

108 Preparation of Compound III-98

(S,E)-methyl 7-(1-(2-((1R,2R,4S)-bicyclo[2.2.1]heptan-2-ylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(4-methyl-2-(trifluoromethyl)thiazole-5-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₂₈H₃₂F₃N₅O₆S
  • Exact Mass: 623.20
  • Molecular Weight: 623.64

The synthesis of compound III-98 was performed according to compound III-14, using exo-2-aminonorbornane instead of 2-adamantanamine in step 2 (according to ZED3905).

Yield: 48 mg, 68% (last step)

ESI-MS: 624.3 [M+H]⁺

109 Preparation of Compound III-99

• • Chemical Formula: C₃₁H₄₀N₆O₆
  • Exact Mass: 592.30
  • Molecular Weight: 592.69 (S,E)-ethyl 7-(1-(2-(2-adamantylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(1-methyl-1H-imidazole-5-carboxamido)-7-oxohept-2-enoate

The synthesis of compound III-99 was performed according to compound III-89, using 1-methyl-1H-imidazole-5-carboxylic acid instead of 3-methylbenzo[b]furan-2-carboxylic acid in the final step.

Yield: 68 mg, 79% (last step)

ESI-MS: 593.5 [M+H]⁺

110 Preparation of Compound III-100

• • Chemical Formula: C₂₉H₃₈N₆O₆S
  • Exact Mass: 598.26
  • Molecular Weight: 598.71 (S,E)-N-(1-(1-(2-(2-adamantylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(methylsulfonyl)-1-oxohex-5-en-2-yl)-1-methyl-1H-imidazole-5-carboxamide

The synthesis of compound III-100 was performed according to compound III-90, using 1-methyl-1H-imidazole-5-carboxylic acid instead of 3-methylbenzo[b]furan-2-carboxylic acid in the final step.

Yield: 46 mg, 73% (last step)

ESI-MS: 599.4 [M+H]⁺

111 Preparation of Compound III-101

• • Chemical Formula: C₂₈H₃₅N₇O₆
  • Exact Mass: 565.26
  • Molecular Weight: 565.62

(S,E)-methyl 7-(1-(2-(2-adamantylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-7-oxo-6-(2H-1,2,3-triazole-4-carboxamido)hept-2-enoate

The synthesis of compound III-101 was performed according to compound III-1, using 2H-1,2,3-triazole-4-carboxylic acid instead of 1-methyl-1H-imidazole-5-carboxylic acid in the final step.

Yield: 28 mg, 63% (last step)

ESI-MS: 566.4 [M+H]⁺

112 Preparation of Compound III-102

• • Chemical Formula: C₂₈H₃₅N₇O₆
  • Exact Mass: 565.26
  • Molecular Weight: 565.62

(S,E)-methyl 7-(1-(2-(2-adamantylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-7-oxo-6-(1H-1,2,3-triazole-4-carboxamido)hept-2-enoate

The synthesis of compound III-102 was performed according to compound III-1, using 1H-1,2,3-triazole-4-carboxylic acid instead of 1-methyl-1H-imidazole-5-carboxylic acid in the final step.

Yield: 37 mg, 70% (last step)

ESI-MS: 566.4 [M+H]⁺

113 Preparation of Compound III-103

• • Chemical Formula: C₂₉H₃₇N₇O₆
  • Exact Mass: 579.28
  • Molecular Weight: 579.65

(S,E)-methyl 7-(1-(2-(2-adamantylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(1-methyl-1H-1,2,3-triazole-4-carboxamido)-7-oxohept-2-enoate

The synthesis of compound III-103 was performed according to compound III-1, using 1-methyl-1H-1,2,3-triazole-4-carboxylic acid instead of 1-methyl-1H-imidazole-5-carboxylic acid in the final step.

Yield: 52 mg, 76% (last step)

ESI-MS: 580.4 [M+H]⁺

114 Preparation of Compound III-104

• • Chemical Formula: C₂₈H₃₅N₇O₆
  • Exact Mass: 565.26
  • Molecular Weight: 565.62

(S,E)-methyl 7-(1-(2-(2-adamantylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-7-oxo-6-(1H-1,2,4-triazole-3-carboxamido)hept-2-enoate

The synthesis of compound III-104 was performed according to compound III-1, using 1H-1,2,4-triazole-3-carboxylic acid instead of 1-methyl-1H-imidazole-5-carboxylic acid in the final step.

Yield: 31 mg, 59% (last step)

ESI-MS: 566.4 [M+H]⁺

115 Preparation of Compound III-105

• • Chemical Formula: C₂₉H₃₇N₇O₆
  • Exact Mass: 579.28
  • Molecular Weight: 579.65

(S,E)-methyl 7-(1-(2-(2-adamantylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(1-methyl-1H-1,2,4-triazole-3-carboxamido)-7-oxohept-2-enoate

The synthesis of compound III-105 was performed according to compound III-1, using 1-methyl-1H-1,2,4-triazole-3-carboxylic acid instead of 1-methyl-1H-imidazole-5-carboxylic acid in the final step.

Yield: 42 mg, 72% (last step)

ESI-MS: 580.4 [M+H]⁺

116 Preparation of Compound III-106

• • Chemical Formula: C₃₄H₃₈N₄O₇
  • Exact Mass: 614.27
  • Molecular Weight: 614.69

(S,E)-methyl 6-(benzofuran-3-carboxamido)-7-(1-(2-(2-adamantylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-7-oxohept-2-enoate

The synthesis of compound III-106 was performed according to compound III-1, using benzofuran-3-carboxylic acid instead of 1-methyl-1H-imidazole-5-carboxylic acid in the final step.

Yield: 56 mg, 77% (last step)

ESI-MS: 615.4 [M+H]⁺

117 Preparation of Compound III-107

• • Chemical Formula: C₃₄H₃₈N₄O₆S
  • Exact Mass: 630.25
  • Molecular Weight: 630.75

(S,E)-methyl 6-(benzo[b]thiophene-3-carboxamido)-7-(1-(2-(2-adamantylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-7-oxohept-2-enoate

The synthesis of compound III-107 was performed according to compound III-1, using benzo[b]thiophene-3-carboxylic acid instead of 1-methyl-1H-imidazole-5-carboxylic acid in the final step.

Yield: 61 mg, 82% (last step)

ESI-MS: 631.4 [M+H]⁺

118 Preparation of Compound III-108

(S,E)-methyl 7-(1-(2-(3,5,7-trimethyl-1-adamantylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(4-methyl-1,2,3-thiadiazole-5-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₃₂H₄₂N₆O₆S
  • Exact Mass: 638.29
  • Molecular Weight: 638.78

The synthesis of compound III-108 was performed according to compound III-91, using 4-methyl-1,2,3-thiadiazole-5-carboxylic acid instead of 1-methyl-1H-imidazole-5-carboxylic acid in the final step.

Yield: 25 mg, 43% (last step)

ESI-MS: 639.4 [M+H]⁺

119 Preparation of Compound III-109

(S,E)-methyl 7-(1-(2-(3,5,7-trimethyl-1-adamantylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(1-methyl-1H-pyrazole-5-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₃₃H₄₄N₆O₆
  • Exact Mass: 620.33
  • Molecular Weight: 620.74

The synthesis of compound III-109 was performed according to compound III-91, using 1-methyl-1H-pyrazole-5-carboxylic acid instead of 1-methyl-1H-imidazole-5-carboxylic acid in the final step.

Yield: 39 mg, 62% (last step)

ESI-MS: 621.5 [M+H]⁺

120 Preparation of Compound III-110

(S,E)-methyl 7-(1-(2-((1R,2R,4S)-bicyclo[2.2.1]heptan-2-ylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(4-methyl-1,2,3-thiadiazole-5-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₂₆H₃₂N₆O₆S
  • Exact Mass: 556.21
  • Molecular Weight: 556.63

The synthesis of compound III-110 was performed according to compound III-62, using 4-methyl-1,2,3-thiadiazole-5-carboxylic acid instead of 1-methyl-1H-imidazole-5-carboxylic acid in the final step.

Yield: 19 mg, 36% (last step)

ESI-MS: 557.4 [M+H]⁺

121 Preparation of Compound III-111

(S,E)-methyl 7-(1-(2-((1R,2R,4S)-bicyclo[2.2.1]heptan-2-ylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(1-methyl-1H-pyrazole-5-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₂₇H₃₄N₆O₆
  • Exact Mass: 538.25
  • Molecular Weight: 538.60

The synthesis of compound III-111 was performed according to compound III-62, using 1-methyl-1H-pyrazole-5-carboxylic acid instead of 1-methyl-1H-imidazole-5-carboxylic acid in the final step.

Yield: 32 mg, 69% (last step)

ESI-MS: 539.4 [M+H]⁺

122 Preparation of Compound III-112

(S,E)-methyl 7-(1-(2-(3,5-dimethyladamantane-1-amino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(4-methyl-1,2,3-thiadiazole-5-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₃₁H₄₀N₆O₆S
  • Exact Mass: 624.27
  • Molecular Weight: 624.75

The synthesis of compound III-112 was performed according to compound III-46, using 4-methyl-1,2,3-thiadiazole-5-carboxylic acid instead of 3-methylbenzo[b]furan-2-carboxylic acid in the final step.

Yield: 24 mg, 43% (last step)

ESI-MS: 625.4 [M+H]⁺

123 Preparation of Compound III-113

(S,E)-methyl 7-(1-(2-(3,5-dimethyladamantane-1-amino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(1-methyl-1H-pyrazole-5-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₃₂H₄₂N₆O₆
  • Exact Mass: 606.32
  • Molecular Weight: 606.71

The synthesis of compound III-113 was performed according to compound III-46, using 1-methyl-1H-pyrazole-5-carboxylic acid instead of 3-methylbenzo[b]furan-2-carboxylic acid in the final step.

Yield: 31 mg, 56% (last step)

ESI-MS: 607.5 [M+H]⁺

124 Preparation of Compound III-114

(S,E)-methyl 7-(1-(2-(3,5-dimethyladamantane-1-amino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(1-methyl-1H-1,2,3-triazole-5-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₃₁H₄₁N₇O₆
  • Exact Mass: 607.31
  • Molecular Weight: 607.70

The synthesis of compound III-114 was performed according to compound III-46, using 1-methyl-1H-1,2,3-triazole-5-carboxylic acid instead of 3-methylbenzo[b]furan-2-carboxylic acid in the final step.

Yield: 14 mg, 42% (last step)

ESI-MS: 608.5 [M+H]⁺

125 Preparation of Compound III-115

(S,E)-methyl 7-(1-(2-((1S,2R,4R)-bicyclo[2.2.1]heptan-2-ylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(4-methyl-1,2,3-thiadiazole-5-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₂₆H₃₂N₆O₆S
  • Exact Mass: 556.21
  • Molecular Weight: 556.63

The synthesis of compound III-115 was performed according to compound III-58, using 4-methyl-1,2,3-thiadiazole-5-carboxylic acid instead of 1-methyl-1H-imidazole-5-carboxylic acid in the final step.

Yield: 26 mg, 48% (last step)

ESI-MS: 557.4 [M+H]⁺

126 Preparation of Compound III-116

(S,E)-methyl 7-(1-(2-((1S,2R,4R)-bicyclo[2.2.1]heptan-2-ylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(1-methyl-1H-1,2,3-triazole-5-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₂₆H₃₃N₇O₆
  • Exact Mass: 539.25
  • Molecular Weight: 539.58

The synthesis of compound III-116 was performed according to compound III-58, using 1-methyl-1H-1,2,3-triazole-5-carboxylic acid instead of 1-methyl-1H-imidazole-5-carboxylic acid in the final step.

Yield: 20 mg, 39% (last step)

ESI-MS: 540.4 [M+H]⁺

127 Preparation of Compound III-117

(S,E)-methyl 7-(1-(2-((1S,2R,4R)-bicyclo[2.2.1]heptan-2-ylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(1-methyl-1H-pyrazole-5-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₂₇H₃₄N₆O₆
  • Exact Mass: 538.25
  • Molecular Weight: 538.60

The synthesis of compound III-117 was performed according to compound III-58, using 1-methyl-1H-pyrazole-5-carboxylic acid instead of 1-methyl-1H-imidazole-5-carboxylic acid in the final step.

Yield: 23 mg, 53% (last step)

ESI-MS: 539.4 [M+H]⁺

128 Preparation of Compound III-118

(S,E)-methyl 7-(1-(2-(2-adamantylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(4-methyl-1,2,3-thiadiazole-5-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₂₉H₃₆N₆O₆S
  • Exact Mass: 596.24
  • Molecular Weight: 596.70

The synthesis of compound III-118 was performed according to compound III-1, using 4-methyl-1,2,3-thiadiazole-5-carboxylic acid instead of 1-methyl-1H-imidazole-5-carboxylic acid in the final step.

Yield: 31 mg, 49% (last step)

ESI-MS: 597.4 [M+H]⁺

129 Preparation of Compound III-119

(S,E)-methyl 7-(1-(2-(2-adamantylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(1-methyl-1H-pyrazole-5-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₃₀H₃₈N₆O₆
  • Exact Mass: 578.29
  • Molecular Weight: 578.66

The synthesis of compound III-119 was performed according to compound III-1, using 1-methyl-1H-pyrazole-5-carboxylic acid instead of 1-methyl-1H-imidazole-5-carboxylic acid in the final step.

Yield: 39 mg, 62% (last step)

ESI-MS: 579.4 [M+H]⁺

130 Preparation of Compound III-120

(S,E)-methyl 6-(4-methyl-1,2,3-thiadiazole-5-carboxamido)-7-oxo-7-(2-oxo-1-(2-oxo-2-((1R,2S,4R)-1,7,7-trimethylbicyclo[2.2.1]heptan-2-ylamino)ethyl)-1,2-dihydropyridin-3-ylamino)hept-2-enoate

• • Chemical Formula: C₃₅H₄₂N₄O₇
  • Exact Mass: 630.31
  • Molecular Weight: 630.73

The synthesis of compound III-120 was performed according to compound III-60, using 4-methyl-1,2,3-thiadiazole-5-carboxylic acid instead of 1-methyl-1H-imidazole-5-carboxylic acid in the final step.

Yield: 12 mg, 33% (last step)

ESI-MS: 631.4 [M+H]⁺

131 Preparation of Compound III-121

(S,E)-methyl 6-(1-methyl-1H-1,2,3-triazole-5-carboxamido)-7-oxo-7-(2-oxo-1-(2-oxo-2-((1R,2S,4R)-1,7,7-trimethylbicyclo[2.2.1]heptan-2-ylamino)ethyl)-1,2-dihydropyridin-3-ylamino)hept-2-enoate

• • Chemical Formula: C₂₉H₃₉N₇O₆
  • Exact Mass: 581.30
  • Molecular Weight: 581.66

The synthesis of compound III-121 was performed according to compound III-60, using 1-methyl-1H-1,2,3-triazole-5-carboxylic acid instead of 1-methyl-1H-imidazole-5-carboxylic acid in the final step.

Yield: 15 mg, 29% (last step)

ESI-MS: 582.5 [M+H]⁺

132 Preparation of Compound III-122

(S,E)-methyl 6-(1-methyl-1H-pyrazole-5-carboxamido)-7-oxo-7-(2-oxo-1-(2-oxo-2-((1R,2S,4R)-1,7,7-trimethylbicyclo[2.2.1]heptan-2-ylamino)ethyl)-1,2-dihydropyridin-3-ylamino)hept-2-enoate

• • Chemical Formula: C₃₀H₄₀N₆O₆
  • Exact Mass: 580.30
  • Molecular Weight: 580.68

The synthesis of compound III-122 was performed according to compound III-60, using 1-methyl-1H-pyrazole-5-carboxylic acid instead of 1-methyl-1H-imidazole-5-carboxylic acid in the final step.

Yield: 23 mg, 46% (last step)

ESI-MS: 581.5 [M+H]⁺

133 Preparation of Compound III-123

(S,E)-methyl 7-(1-(2-(3,5-dimethyladamantane-1-amino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(4-methyl-2-(trifluoromethyl)thiazole-5-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₃₃H₄₀F₃N₅O₆S
  • Exact Mass: 691.27
  • Molecular Weight: 691.76

The synthesis of compound III-123 was performed according to compound III-46, using 4-methyl-2-(trifluoromethyl)thiazole-5-carboxylic acid instead of 3-methylbenzo[b]furan-2-carboxylic acid in the final step.

Yield: 35 mg, 71% (last step)

ESI-MS: 692.4 [M+H]⁺

134 Preparation of Compound III-124

(S,E)-methyl 6-(2,5-dichlorothiophene-3-carboxamido)-7-(1-(2-(3,5-dimethyladamantane-1-amino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-7-oxohept-2-enoate

• • Chemical Formula: C₃₂H₃₈C₁₂N₄O₆S
  • Exact Mass: 676.19
  • Molecular Weight: 677.64

The synthesis of compound III-124 was performed according to compound III-46, using 2,5-dichlorothiophene-3-carboxylic acid instead of 3-methylbenzo[b]furan-2-carboxylic acid in the final step.

Yield: 52 mg, 78% (last step)

ESI-MS: 677.4/679.4 [M+H]⁺

135 Preparation of Compound III-125

(S,E)-methyl 7-(1-(2-((1S,2R,4R)-bicyclo[2.2.1]heptan-2-ylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(4-methyl-2-(trifluoromethyl)thiazole-5-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₂₈H₃₂F₃N₅O₆S
  • Exact Mass: 623.20
  • Molecular Weight: 623.64

The synthesis of compound III-125 was performed according to compound III-58, using 4-methyl-2-(trifluoromethyl)thiazole-5-carboxylic acid instead of 1-methyl-1H-imidazole-5-carboxylic acid in the final step.

Yield: 34 mg, 67% (last step)

ESI-MS: 624.4 [M+H]⁺

136 Preparation of Compound III-126

(S,E)-methyl 7-(1-(2-((1S,2R,4R)-bicyclo[2.2.1]heptan-2-ylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(2,5-dichlorothiophene-3-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₂₇H₃OCl₂N₄O₆S
  • Exact Mass: 608.13
  • Molecular Weight: 609.52

The synthesis of compound III-126 was performed according to compound III-58, using 2,5-dichlorothiophene-3-carboxylic acid instead of 1-methyl-1H-imidazole-5-carboxylic acid in the final step.

Yield: 56 mg, 74% (last step)

ESI-MS: 609.3/611.3 [M+H]⁺

137 Preparation of Compound III-127

(S,E)-methyl 6-(4-methyl-2-(trifluoromethyl)thiazole-5-carboxamido)-7-oxo-7-(2-oxo-1-(2-oxo-2-((1R,2S,4R)-1,7,7-trimethylbicyclo[2.2.1]heptan-2-ylamino)ethyl)-1,2-dihydropyridin-3-ylamino)hept-2-enoate

• • Chemical Formula: C₃₁H₃₈F₃N₅O₆S
  • Exact Mass: 665.25
  • Molecular Weight: 665.72

The synthesis of compound III-127 was performed according to compound III-60, using 4-methyl-2-(trifluoromethyl)thiazole-5-carboxylic acid instead of 1-methyl-1H-imidazole-5-carboxylic acid in the final step.

Yield: 27 mg, 46% (last step)

ESI-MS: 666.4 [M+H]⁺

138 Preparation of Compound III-128

(S,E)-methyl 6-(2,5-dichlorothiophene-3-carboxamido)-7-oxo-7-(2-oxo-1-(2-oxo-2-((1R,2S,4R)-1,7,7-trimethylbicyclo[2.2.1]heptan-2-ylamino)ethyl)-1,2-dihydropyridin-3-ylamino)hept-2-enoate

• • Chemical Formula: C₃₀H₃₆C₁₂N₄O₆S
  • Exact Mass: 650.17
  • Molecular Weight: 651.60

The synthesis of compound III-128 was performed according to compound III-60, using 2,5-dichlorothiophene-3-carboxylic acid instead of 1-methyl-1H-imidazole-5-carboxylic acid in the final step.

Yield: 76 mg, 70% (last step)

ESI-MS: 651.3/653.3 [M+H]⁺

139 Preparation of Compound III-129

(S,E)-methyl 7-(1-(2-(2-adamantylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(1-methyl-1H-pyrazole-3-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₃₀H₃₈N₆O₆
  • Exact Mass: 578.29
  • Molecular Weight: 578.66

The synthesis of compound III-129 was performed according to compound III-1, using 1-methyl-1H-pyrazole-3-carboxylic acid instead of 1-methyl-1H-imidazole-5-carboxylic acid in the final step.

Yield: 56 mg, 75% (last step)

ESI-MS: 579.4 [M+H]⁺

140 Preparation of Compound III-130

(S,E)-methyl 7-(1-(2-(2-adamantylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(1-methyl-1H-pyrazole-4-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₃₀H₃₈N₆O₆
  • Exact Mass: 578.29
  • Molecular Weight: 578.66

The synthesis of compound III-130 was performed according to compound III-1, using 1-methyl-1H-pyrazole-4-carboxylic acid instead of 1-methyl-1H-imidazole-5-carboxylic acid in the final step.

Yield: 73 mg, 78% (last step)

ESI-MS: 579.4 [M+H]⁺

141 Preparation of Compound III-131

(S,E)-methyl 6-(4-tert-butyl-1H-pyrrole-3-carboxamido)-7-(1-(2-(1-adamantylamino)ethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-7-oxohept-2-enoate

• • Chemical Formula: C₃₄H₄₆N₄O₅
  • Exact Mass: 590.35
  • Molecular Weight: 590.75

The synthesis of compound III-131 was performed according to compound III-79, using 1-(2-bromoethyl)adamantane instead of 1-(bromomethyl)adamantane (according to ZED4893) and 5-tert-butyl-1H-pyrrole-3-carboxylic acid instead of 3-methyl-benzo[b]furan-2-carboxylic acid in the final step.

Yield: 18 mg, 42% (last step)

ESI-MS: 591.5 [M+H]⁺

142 Preparation of Compound III-132

(S,E)-methyl 6-(4-cyano-1-methyl-1H-pyrrole-2-carboxamido)-7-(1-(3-(1-adamantylamino)propyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-7-oxohept-2-enoate

• • Chemical Formula: C₃₃H₄₁N₅O₅
  • Exact Mass: 587.31
  • Molecular Weight: 587.71

The synthesis of compound III-132 was performed according to compound III-79, using 1-(3-bromopropyl)adamantane instead of 1-(bromomethyl)adamantane (according to ZED4893) and 4-cyano-1-methyl-1H-pyrrole-2-carboxylic acid instead of 3-methyl-benzo[b]furan-2-carboxylic acid in the final step.

Yield: 13 mg, 36% (last step)

ESI-MS: 588.5 [M+H]⁺

143 Preparation of Compound III-133

(S,E)-methyl 7-(1-(3-(2-adamantylamino)-3-oxopropyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(5-methoxyoxazole-2-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₃₁H₃₉N₅O₈
  • Exact Mass: 609.28
  • Molecular Weight: 609.67

The synthesis of compound III-133 was performed according to compound III-2, using 3-chloropropionic acid instead of chloroacetic acid (according to ZED1657) and 5-methoxyoxazole-2-carboxylic acid instead of 3-methylbenzo[b]furan-2-carboxylic acid in the final step.

Yield: 46 mg, 72% (last step)

ESI-MS: 610.4 [M+H]⁺

144 Preparation of Compound III-134

(S,E)-methyl 7-(1-(2-(bicyclo[2.1.1]hexan-1-ylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(2-isopropyloxazole-5-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₂₈H₃₅N₅O₇
  • Exact Mass: 553.25
  • Molecular Weight: 553.61

The synthesis of compound III-134 was performed according to compound III-2, using bicyclo[2.1.1]hexan-1-amine instead of 2-adamantanamine in step 2 (according to ZED3905) and 2-isopropyloxazole-5-carboxylic acid instead of 3-methylbenzo[b]furan-2-carboxylic acid in the final step.

Yield: 52 mg, 70% (last step)

ESI-MS: 554.4 [M+H]⁺

145 Preparation of Compound III-135

(6S,E)-methyl 7-(1-(2-(bicyclo[3.2.1]octan-8-ylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(3,5-dimethylisoxazole-4-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₂₉H₃₇N₅O₇
  • Exact Mass: 567.27
  • Molecular Weight: 567.63

The synthesis of compound III-135 was performed according to compound III-2, using bicyclo[3.2.1]octan-8-amine instead of 2-adamantanamine in step 2 (according to ZED3905) and 3,5-dimethylisoxazole-4-carboxylic acid instead of 3-methyl-benzo[b]furan-2-carboxylic acid in the final step.

Yield: 41 mg, 68% (last step)

ESI-MS: 568.4 [M+H]⁺

146 Preparation of Compound III-136

(S,E)-methyl 7-(1-(2-(5-carboxy-2-aminoadamantane)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(4-methylpyrimidine-5-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₃₂H₃₈N₆O₈
  • Exact Mass: 634.28
  • Molecular Weight: 634.68

The synthesis of compound III-136 was performed according to compound III-2, using 4-aminoadamantane-1-carboxylic acid instead of 2-adamantanamine in step 2 (according to ZED3905) and 4-methylpyrimidine-5-carboxylic acid instead of 3-methyl-benzo[b]furan-2-carboxylic acid in the final step.

Yield: 16 mg, 34% (last step)

ESI-MS: 635.4 [M+H]⁺

147 Preparation of Compound III-137

(6S,E)-methyl 7-(1-(2-(4-aminoadamantane-N,N-dimethyl-1-carboxamide)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-7-oxo-6-(1,2,3,4-tetrahydronaphthalene-2-carboxamido)hept-2-enoate

• • Chemical Formula: C₃₅H₄₃N₅O₇
  • Exact Mass: 645.32
  • Molecular Weight: 645.75

The synthesis of compound III-137 was performed according to compound III-2, using 4-aminoadamantane-N,N-dimethyl-1-carboxamide instead of 2-adamantanamine in step 2 (according to ZED3905) and 1,2,3,4-tetrahydronaphthalene-2-carboxylic acid instead of 3-methylbenzo[b]furan-2-carboxylic acid in the final step.

Yield: 38 mg, 53% (last step)

ESI-MS: 646.5 [M+H]⁺

148 Preparation of Compound III-138

(S,E)-6-(2-acetyloxazole-4-carboxamido)-N7-(1-(2-(bicyclo[1.1.1]pentan-1-ylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-yl)-N1,N1-diethylhept-2-enediamide

• • Chemical Formula: C₂₉H₃₆N₆O₇
  • Exact Mass: 580.26
  • Molecular Weight: 580.63

The synthesis of compound III-138 was performed according to compound III-75, using N,N-diethylchloroacetamide instead of 2-chloro-N,N-dimethylacetamide (according to ZED4684) and 1-bicyclo[1.1.1]pentylamine instead of 2-adamantanamine in step 2 (according to ZED3905) and 2-acetyloxazole-4-carboxylic acid instead of 3-methyl-benzo[b]furan-2-carboxylic acid in the final step.

Yield: 25 mg, 63% (last step)

ESI-MS: 581.4 [M+H]⁺

149 Preparation of Compound III-139

(S,E)-N7-(1-(2-(bicyclo[1.1.1]pentan-1-ylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-yl)-6-((S)-1,4-diazabicyclo[2.2.2]octane-2-carboxamido)-N1,N1-diethylhept-2-enediamide

• • Chemical Formula: C₃₀H₄₃N₇O₅
  • Exact Mass: 581.33
  • Molecular Weight: 581.71

The synthesis of compound III-139 was performed according to compound III-138, using 1,4-diazabicyclo[2.2.2]octane-2-carboxylic acid instead of 2-acetyloxazole-4-carboxylic acid in the final step.

Yield: 16 mg, 54% (last step)

ESI-MS: 582.5 [M+H]⁺

150 Preparation of Compound III-140

(S,E)-N7-(1-(2-(bicyclo[1.1.1]pentan-1-ylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-yl)-6-(1H-indole-3-carboxamido)-N1-isopropylhept-2-enediamide

• • Chemical Formula: C₃₁H₃₆N₆O₅
  • Exact Mass: 572.27
  • Molecular Weight: 572.65

The synthesis of compound III-140 was performed according to compound III-75, using 2-chloro-N-isopropylacetamide instead of 2-chloro-N,N-dimethylacetamide (according to ZED4684) and 1-bicyclo[1.1.1]pentylamine instead of 2-adamantanamine in step 2 (according to ZED3905) and 1H-indole-3-carboxylic acid instead of 3-methyl-benzo[b]furan-2-carboxylic acid in the final step.

Yield: 36 mg, 68% (last step)

ESI-MS: 573.4 [M+H]⁺

151 Preparation of Compound III-141

(S,E)-N7-(1-(2-(bicyclo[1.1.1]pentan-1-ylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-yl)-N₁-isopropyl-6-(6-methylimidazo[2,1-b]thiazole-3-carboxamido)hept-2-enediamide

• • Chemical Formula: C₂₉H₃₅N₇O₅S
  • Exact Mass: 593.24
  • Molecular Weight: 593.70

The synthesis of compound III-141 was performed according to compound III-140, using 6-methylimidazo[2,1-b][1,3]thiazole-3-carboxylic acid instead of 1H-Indole-3-carboxylic acid in the final step.

Yield: 29 mg, 54% (last step)

ESI-MS: 594.4 [M+H]⁺

152 Preparation of Compound III-142

(S,E)-6-(benzo[d]thiazole-2-carboxamido)-N7-(1-(2-(bicyclo[1.1.1]pentan-1-ylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-yl)-N1-pentylheptyl-2-enediamide

• • Chemical Formula: C₃₂H₃₈N₆O₅S
  • Exact Mass: 618.26
  • Molecular Weight: 618.75

The synthesis of compound III-142 was performed according to compound III-75, using 2-chloro-N-pentylacetamide instead of 2-chloro-N,N-dimethylacetamide (according to ZED4684) and 1-bicyclo[1.1.1]pentylamine instead of 2-adamantanamine in step 2 (according to ZED3905) and 1,3-benzothiazole-2-carboxylic acid instead of 3-methyl-benzo[b]furan-2-carboxylic acid in the final step.

Yield: 42 mg, 65% (last step)

ESI-MS: 619.4 [M+H]⁺

153 Preparation of Compound III-143

(S,E)-N7-(1-(2-(bicyclo[1.1.1]pentan-1-ylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-yl)-6-(imidazo[2,1-b]thiazole-6-carboxamido)-N1-pentylhept-2-enediamide

• • Chemical Formula: C₃₀H₃₇N₇O₅S
  • Exact Mass: 607.26
  • Molecular Weight: 607.72

The synthesis of compound III-143 was performed according to compound III-142, using imidazo[2,1-b][1,3]thiazole-6-carboxylic acid instead of 1,3-benzothiazole-2-carboxylic acid in the final step.

Yield: 23 mg, 59% (last step)

ESI-MS: 608.4 [M+H]⁺

154 Preparation of Compound III-144

(S,E)-N7-(1-(2-(bicyclo[1.1.1]pentan-1-ylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-yl)-N1-cyclopropyl-6-(4-hydroxy-6-(trifluoromethoxy)quinoline-3-carboxamido)hept-2-enediamide

• • Chemical Formula: C₃₃H₃₃F₃N₆O7
  • Exact Mass: 682.24
  • Molecular Weight: 682.65

The synthesis of compound III-144 was performed according to compound III-75, using 2-chloro-N-cyclopropylacetamide instead of 2-chloro-N,N-dimethylacetamide (according to ZED4684) and 1-bicyclo[1.1.1]pentylamine instead of 2-adamantanamine in step 2 (according to ZED3905) and 4-hydroxy-6-(trifluoromethoxy)quinoline-3-carboxylic acid instead of 3-methylbenzo[b]furan-2-carboxylic acid in the final step.

Yield: 12 mg, 36% (last step)

ESI-MS: 683.4 [M+H]⁺

155 Preparation of Compound III-145

(S,E)-N7-(1-(2-(bicyclo[1.1.1]pentan-1-ylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-yl)-6-(cinnoline-3-carboxamido)-N1-cyclopropylhept-2-enediamide

• • Chemical Formula: C₃₁H₃₃N₇O₅
  • Exact Mass: 583.25
  • Molecular Weight: 583.64

The synthesis of compound III-145 was performed according to compound III-144, using 3-cinnolinecarboxylic acid instead of 4-hydroxy-6-(trifluoromethoxy)quinoline-3-carboxylic acid in the final step.

Yield: 32 mg, 66% (last step)

ESI-MS: 584.4 [M+H]⁺

156 Preparation of Compound III-146

(S,E)-N7-(1-(2-(bicyclo[1.1.1]pentan-1-ylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-yl)-N₁-cyclopentyl-6-(2-methyl-1,8-naphthyridine-3-carboxamido)hept-2-enediamide

• • Chemical Formula: C₃₄H₃₉N₇O₅
  • Exact Mass: 625.30
  • Molecular Weight: 625.72

The synthesis of compound III-146 was performed according to compound III-75, using 2-chloro-N-cyclopentylacetamide instead of 2-chloro-N,N-dimethylacetamide (according to ZED4684) and 1-bicyclo[1.1.1]pentylamine instead of 2-adamantanamine in step 2 (according to ZED3905) and 2-methyl-1,8-naphthyridine-3-carboxylic acid instead of 3-methylbenzo[b]furan-2-carboxylic acid in the final step.

Yield: 28 mg, 68% (last step)

ESI-MS: 626.5 [M+H]⁺

157 Preparation of Compound III-147

(S,E)-N7-(1-(2-(bicyclo[1.1.1]pentan-1-ylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-yl)-N1-cyclopentyl-6-(3-ethylbenzofuran-2-carboxamido)hept-2-enediamide

• • Chemical Formula: C₃₅H₄₁N₅O₆
  • Exact Mass: 627.31
  • Molecular Weight: 627.73

The synthesis of compound III-147 was performed according to compound III-146, using 3-ethyl-1-benzofuran-2-carboxylic acid instead of 2-methyl-1,8-naphthyridine-3-carboxylic acid in the final step.

Yield: 54 mg, 72% (last step)

ESI-MS: 628.5 [M+H]⁺

158 Preparation of Compound III-148

(S,E)-N7-(1-(2-(bicyclo[1.1.1]pentan-1-ylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-yl)-N1-cyclohexyl-6-(1-ethyl-1H-indole-2-carboxamido)hept-2-enediamide

• • Chemical Formula: C₃₆H₄₄N₆O₅
  • Exact Mass: 640.34
  • Molecular Weight: 640.77

The synthesis of compound III-148 was performed according to compound III-75, using 2-chloro-N-cyclohexylacetamide instead of 2-chloro-N,N-dimethylacetamide (according to ZED4684) and 1-bicyclo[1.1.1]pentylamine instead of 2-adamantanamine in step 2 (according to ZED3905) and 1-ethyl-1H-indole-2-carboxylic acid instead of 3-methyl-benzo[b]furan-2-carboxylic acid in the final step.

Yield: 62 mg, 67% (last step)

ESI-MS: 641.5 [M+H]⁺

159 Preparation of Compound III-149

(S,E)-N7-(1-(2-(bicyclo[1.1.1]pentan-1-ylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-yl)-N₁-cyclohexyl-6-(1,2,3,4-tetrahydroquinoline-7-carboxamido)hept-2-enediamide

• • Chemical Formula: C₃₅H₄₄N₆O₅
  • Exact Mass: 628.34
  • Molecular Weight: 628.76

The synthesis of compound III-149 was performed according to compound III-148, using N-Boc-1,2,3,4-tetrahydroquinoline-7-carboxylic acid instead of 1-ethyl-1H-indole-2-carboxylic acid in the final step. The final product was obtained by deprotection (DCM/TFA) as described above and purified by HPLC.

Yield: 24 mg, 53% (last step)

ESI-MS: 629.5 [M+H]⁺

160 Preparation of Compound III-150

(S,E)-N1-allyl-N₇-(1-(2-(bicyclo[1.1.1]pentan-1-ylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-yl)-6-(1,6-naphthyridine-2-carboxamido)hept-2-enediamide

• • Chemical Formula: C₃₁H₃₃N₇O₅
  • Exact Mass: 583.25
  • Molecular Weight: 583.64

The synthesis of compound III-150 was performed according to compound III-75, using N-allyl-2-chloroacetamide instead of 2-chloro-N,N-dimethylacetamide (according to ZED4684) and 1-bicyclo[1.1.1]pentylamine instead of 2-adamantanamine in step 2 (according to ZED3905) and 1,6-naphthyridine-2-carboxylic acid instead of 3-methyl-benzo[b]furan-2-carboxylic acid in the final step.

Yield: 26 mg, 52% (last step)

ESI-MS: 584.4 [M+H]⁺

161 Preparation of Compound III-151

(S,E)-N1-allyl-N₇-(1-(2-(bicyclo[1.1.1]pentan-1-ylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-yl)-6-(2,6-naphthyridine-1-carboxamido)hept-2-enediamide

• • Chemical Formula: C₃₁H₃₃N₇O₅
  • Exact Mass: 583.25
  • Molecular Weight: 583.64

The synthesis of compound III-151 was performed according to compound III-150, using 2,6-naphthyridine-1-carboxylic acid instead of 1,6-naphthyridine-2-carboxylic acid in the final step.

Yield: 29 mg, 55% (last step)

ESI-MS: 584.4 [M+H]⁺

162 Preparation of Compound III-152

(S,E)-N7-(1-(2-(bicyclo[1.1.1]pentan-1-ylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-yl)-6-(5-bromo-2-methylfuran-3-carboxamido)-N1-phenylhept-2-enediamide

• • Chemical Formula: C₃₁H₃₂BrN₅O₆
  • Exact Mass: 649.15
  • Molecular Weight: 650.52

The synthesis of compound III-152 was performed according to compound III-75, using 2-chloro-N-phenylacetamide instead of 2-chloro-N,N-dimethylacetamide (according to ZED4684) and 1-bicyclo[1.1.1]pentylamine instead of 2-adamantanamine in step 2 (according to ZED3905) and 5-Bromo-2-methylfuran-3-carboxylic acid instead of 3-methylbenzo[b]furan-2-carboxylic acid in the final step.

Yield: 43 mg, 75% (last step)

ESI-MS: 650.3/652.3 [M+H]⁺

163 Preparation of Compound III-153

(S,E)-N7-(1-(2-(bicyclo[1.1.1]pentan-1-ylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-yl)-6-(2,5-dimethylfuran-3-carboxamido)-N1-phenylhept-2-enediamide

• • Chemical Formula: C₃₂H₃₅N₅O₆
  • Exact Mass: 585.26
  • Molecular Weight: 585.65

The synthesis of compound III-153 was performed according to compound III-152, using 2,5-dimethylfuran-3-carboxylic acid instead of 5-Bromo-2-methylfuran-3-carboxylic acid in the final step.

Yield: 57 mg, 82% (last step)

ESI-MS: 586.4 [M+H]⁺

164 Preparation of Compound III-154

(S,E)-N1-benzyl-N₇-(1-(2-(bicyclo[1.1.1]pentan-1-ylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-yl)-6-(2,5-dichlorothiazole-4-carboxamido)hept-2-enediamide

• • Chemical Formula: C₃₀H₃OCl₂N₆O₅S
  • Exact Mass: 656.14
  • Molecular Weight: 657.57

The synthesis of compound III-154 was performed according to compound III-75, using N-benzyl-2-chloroacetamide instead of 2-chloro-N,N-dimethylacetamide (according to ZED4684) and 1-bicyclo[1.1.1]pentylamine instead of 2-adamantanamine in step 2 (according to ZED3905) and 2,5-dichlorothiazole-4-carboxylic acid instead of 3-methyl-benzo[b]furan-2-carboxylic acid in the final step.

Yield: 22 mg, 46% (last step)

ESI-MS: 657.2/659.2 [M+H]⁺

165 Preparation of Compound III-155

(S,E)-N1-benzyl-N₇-(1-(2-(bicyclo[1.1.1]pentan-1-ylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-yl)-6-(4-bromothiazole-2-carboxamido)hept-2-enediamide

• • Chemical Formula: C₃₀H₃₁BrN₆O5S
  • Exact Mass: 666.13
  • Molecular Weight: 667.57

The synthesis of compound III-155 was performed according to compound III-154, using 4-bromothiazole-2-carboxylic acid instead of 2,5-dichlorothiazole-4-carboxylic acid in the final step.

Yield: 42 mg, 73% (last step)

ESI-MS: 667.2/669.2 [M+H]⁺

166 Preparation of Compound III-156

(S,E)-benzyl 7-(1-(2-(bicyclo[1.1.1]pentan-1-ylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(4-methyl-2-phenylthiazole-5-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₃₇H₃₇N₅O₆S
  • Exact Mass: 679.25
  • Molecular Weight: 679.78

The synthesis of compound III-156 was performed according to compound III-2, using (benzyloxycarbonylmethylene)triphenylphosphorane instead of (carbomethoxy-methylene)triphenylphosphorane (according to ZED755) and 1-bicyclo[1.1.1]-pentylamine instead of 2-adamantanamine in step 2 (according to ZED3905) and 4-methyl-2-phenylthiazole-5-carboxylic acid instead of 3-methylbenzo[b]furan-2-carboxylic acid in the final step.

Yield: 26 mg, 72% (last step)

ESI-MS: 680.4 [M+H]⁺

167 Preparation of Compound III-157

(S,E)-N-(1-(1-(2-(bicyclo[1.1.1]pentan-1-ylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-1,7-dioxo-7-phenylhept-5-en-2-yl)-1-methyl-1H-imidazole-2-carboxamide

• • Chemical Formula: C₃₀H₃₂N₆O₅
  • Exact Mass: 556.24
  • Molecular Weight: 556.61

The synthesis of compound III-157 was performed according to compound III-2, using (benzoylmethylene)triphenylphosphorane instead of (carbomethoxymethylene)triphenyl-phosphorane (according to ZED755) and 1-bicyclo[1.1.1]pentylamine instead of 2-adamantanamine in step 2 (according to ZED3905) and 1-methyl-1H-imidazole-2-carboxylic acid instead of 3-methylbenzo[b]furan-2-carboxylic acid in the final step.

Yield: 39 mg, 68% (last step)

ESI-MS: 557.4 [M+H]⁺

168 Preparation of Compound III-158

(S,E)-isopropyl 7-(1-(2-(bicyclo[2.1.1]hexan-1-ylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-7-oxo-6-(2H-1,2,3-triazole-4-carboxamido)hept-2-enoate

• • Chemical Formula: C₂₆H₃₃N₇O₆
  • Exact Mass: 539.25
  • Molecular Weight: 539.58

The synthesis of compound III-158 was performed according to compound III-2, using (isopropyloxycarbonylmethylene)triphenylphosphorane instead of (carbomethoxy-methylene)triphenylphosphorane (according to ZED755) and bicyclo[2.1.1]hexan-1-amine instead of 2-adamantanamine in step 2 (according to ZED3905) and 2H-1,2,3-triazole-4-carboxylic acid instead of 3-methylbenzo[b]furan-2-carboxylic acid in the final step.

Yield: 11 mg, 44% (last step)

ESI-MS: 540.4 [M+H]⁺

169 Preparation of Compound III-159

N-((2S,E)-1-(1-(2-(bicyclo[3.2.1]octan-8-ylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-1,7-dioxooct-5-en-2-yl)-1-methyl-1H-1,2,4-triazole-3-carboxamide

• • Chemical Formula: C₂₇H₃₅N₇O₅
  • Exact Mass: 537.27
  • Molecular Weight: 537.61

The synthesis of compound III-159 was performed according to compound III-2, using (acetylmethylene)triphenylphosphorane instead of (carbomethoxymethylene)triphenyl-phosphorane (according to ZED755) and bicyclo[3.2.1]octan-8-amine in step 2 (according to ZED3905) and 1-methyl-1H-1,2,4-triazole-3-carboxylic acid instead of 3-methylbenzo[b]furan-2-carboxylic acid in the final step.

Yield: 26 mg, 53% (last step)

ESI-MS: 538.4 [M+H]⁺

170 Preparation of Compound III-160

(S,E)-methyl 6-(4-amino-1,2,5-oxadiazole-3-carboxamido)-7-(1-(2-(bicyclo[1.1.1]pentan-1-ylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-7-oxohept-2-enoate

• • Chemical Formula: C₂₃H₂₇N₇O₇
  • Exact Mass: 513.20
  • Molecular Weight: 513.50

The synthesis of compound III-160 was performed according to compound III-2, using 1-bicyclo[1.1.1]pentylamine in step 2 (according to ZED3905) and 4-Boc-amino-1,2,5-oxadiazole-3-carboxylic acid instead of 3-methylbenzo[b]furan-2-carboxylic acid in the final step before being deprotected by TFA.

Yield: 42 mg, 61% (last step)

ESI-MS: 514.4 [M+H]⁺

171 Preparation of Compound III-161

(S,E)-methyl 7-(1-(2-(bicyclo[1.1.1]pentan-1-ylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(6-(dimethylamino)benzofuran-2-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₃₁H₃₅N₅O₇
  • Exact Mass: 589.25
  • Molecular Weight: 589.64

The synthesis of compound III-161 was performed according to compound III-160, using 6-(dimethylamino)benzofuran-2-carboxylic acid instead of 4-Boc-amino-1,2,5-oxadiazole-3-carboxylic acid in the final step.

Yield: 24 mg, 58% (last step)

ESI-MS: 590.4 [M+H]⁺

172 Preparation of Compound III-162

(S,E)-methyl 6-(2-acetamidothiazole-5-carboxamido)-7-(1-(2-(bicyclo[1.1.1]pentan-1-ylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-7-oxohept-2-enoate

• • Chemical Formula: C₂₆H₃₀N₆O₇S
  • Exact Mass: 570.19
  • Molecular Weight: 570.62

The synthesis of compound III-162 was performed according to compound III-160, using 2-acetylamino-5-thiazolecarboxylic acid instead of 4-Boc-amino-1,2,5-oxadiazole-3-carboxylic acid in the final step.

Yield: 33 mg, 68% (last step)

ESI-MS: 571.3 [M+H]⁺

173 Preparation of Compound III-163

(S,E)-methyl 7-(1-(2-(bicyclo[1.1.1]pentan-1-ylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(5-carbamoyl-1H-pyrrole-3-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₂₆H₃₀N₆O₇
  • Exact Mass: 538.22
  • Molecular Weight: 538.55

The synthesis of compound III-163 was performed according to compound III-160, using 5-carbamoyl-1H-pyrrole-3-carboxylic acid instead of 4-Boc-amino-1,2,5-oxadiazole-3-carboxylic acid in the final step.

Yield: 41 mg, 62% (last step)

ESI-MS: 539.4 [M+H]⁺

174 Preparation of Compound III-164

(S,E)-methyl 7-(1-(2-(1-acetylamino-4-aminoadamantane)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-7-oxo-6-(5-sulfamoylfuran-3-carboxamido)hept-2-enoate

• • Chemical Formula: C₃₂H₄₀N₆O₁₀S
  • Exact Mass: 700.25
  • Molecular Weight: 700.76

The synthesis of compound III-164 was performed according to compound III-2, using 1-acetylamino-4-aminoadamantane in step 2 (according to ZED3905) and 5-sulfamoyl-furan-3-carboxylic acid instead of 3-methylbenzo[b]furan-2-carboxylic acid in the final step.

Yield: 35 mg, 58% (last step)

ESI-MS: 701.4 [M+H]⁺

175 Preparation of Compound III-165

(S,E)-methyl 6-(benzofuran-5-carboxamido)-7-(1-(2-(1-acetylamino-4-aminoadamantane)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-7-oxohept-2-enoate

• • Chemical Formula: C₃₆H₄₁N₅O₈
  • Exact Mass: 671.30
  • Molecular Weight: 671.74

The synthesis of compound III-165 was performed according to compound III-164, using benzofuran-5-carboxylic acid instead of 5-sulfamoylfuran-3-carboxylic acid in the final step.

Yield: 53 mg, 61% (last step)

ESI-MS: 672.5 [M+H]⁺

176 Preparation of Compound III-166

(S,E)-methyl 6-(benzofuran-6-carboxamido)-7-(1-(2-(4-aminoadamantane-1-carboxamide)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-7-oxohept-2-enoate

• • Chemical Formula: C₃₅H₃₉N₅O₈
  • Exact Mass: 657.28
  • Molecular Weight: 657.71

The synthesis of compound III-166 was performed according to compound III-2, using 4-aminoadamantane-1-carboxamide in step 2 (according to ZED3905) and benzofuran-6-carboxylic acid instead of 3-methylbenzo[b]furan-2-carboxylic acid in the final step.

Yield: 43 mg, 66% (last step)

ESI-MS: 658.4 [M+H]⁺

177 Preparation of Compound III-167

(S,E)-methyl 7-(1-(2-(4-aminoadamantane-1-carboxamide)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(3-(1-methylcyclopropyl)-1,2,4-oxadiazole-5-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₃₃H₄₁N₇O₈
  • Exact Mass: 663.30
  • Molecular Weight: 663.72

The synthesis of compound III-167 was performed according to compound III-166, using 3-(1-methylcyclopropyl)-1,2,4-oxadiazole-5-carboxylic acid instead of benzofuran-6-carboxylic acid in the final step.

Yield: 28 mg, 49% (last step)

ESI-MS: 664.5 [M+H]⁺

178 Preparation of Compound III-168

(S,E)-methyl 7-(1-(2-(bicyclo[1.1.1]pentan-1-ylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(5-methyl-1,2,4-oxadiazole-3-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₂₄H₂₈N₆O₇
  • Exact Mass: 512.20
  • Molecular Weight: 512.52

The synthesis of compound III-168 was performed according to compound III-160, using 5-methyl-1,2,4-oxadiazole-3-carboxylic acid instead of 4-Boc-amino-1,2,5-oxadiazole-3-carboxylic acid in the final step.

Yield: 55 mg, 68% (last step)

ESI-MS: 513.4 [M+H]⁺

179 Preparation of Compound III-169

(S,E)-methyl 7-(1-(2-(bicyclo[1.1.1]pentan-1-ylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-7-oxo-6-(1,2,3-thiadiazole-4-carboxamido)hept-2-enoate

• • Chemical Formula: C₂₃H₂₆N₆O₆S
  • Exact Mass: 514.16
  • Molecular Weight: 514.55

The synthesis of compound III-169 was performed according to compound III-160, using 1,2,3-thiadiazole-4-carboxylic acid instead of 4-Boc-amino-1,2,5-oxadiazole-3-carboxylic acid in the final step.

Yield: 38 mg, 53% (last step)

ESI-MS: 515.3 [M+H]⁺

180 Preparation of Compound III-170

(S,E)-methyl 7-(1-(2-(bicyclo[1.1.1]pentan-1-ylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-7-oxo-6-(1,2,4-thiadiazole-5-carboxamido)hept-2-enoate

• • Chemical Formula: C₂₃H₂₆N₆O₆S
  • Exact Mass: 514.16
  • Molecular Weight: 514.55

The synthesis of compound III-170 was performed according to compound III-160, using 1,2,4-thiadiazole-5-carboxylic acid instead of 4-Boc-amino-1,2,5-oxadiazole-3-carboxylic acid in the final step.

Yield: 25 mg, 46% (last step)

ESI-MS: 515.3 [M+H]⁺

181 Preparation of Compound III-171

(S,E)-methyl 7-(1-(2-(bicyclo[1.1.1]pentan-1-ylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-7-oxo-6-(1,3,4-thiadiazole-2-carboxamido)hept-2-enoate

• • Chemical Formula: C₂₃H₂₆N₆O₆S
  • Exact Mass: 514.16
  • Molecular Weight: 514.55

The synthesis of compound III-171 was performed according to compound III-160, using 1,3,4-thiadiazole-2-carboxylic acid instead of 4-Boc-amino-1,2,5-oxadiazole-3-carboxylic acid in the final step.

Yield: 36 mg, 57% (last step)

ESI-MS: 515.3 [M+H]⁺

182 Preparation of Compound III-172

(S,E)-methyl 7-(1-(2-(bicyclo[1.1.1]pentan-1-ylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-6-(4-cyclopropyl-1,2,3-thiadiazole-5-carboxamido)-7-oxohept-2-enoate

• • Chemical Formula: C₂₆H₃₀N₆O₆S
  • Exact Mass: 554.19
  • Molecular Weight: 554.62

The synthesis of compound III-172 was performed according to compound III-160, using 4-cyclopropyl-[1,2,3]thiadiazole-5-carboxylic acid instead of 4-Boc-amino-1,2,5-oxadiazole-3-carboxylic acid in the final step.

Yield: 57 mg, 71% (last step)

ESI-MS: 555.3 [M+H]⁺

183 Preparation of Compound III-173

(S,E)-methyl 7-(1-(2-(bicyclo[1.1.1]pentan-1-ylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-7-oxo-6-(1,2,5-thiadiazole-3-carboxamido)hept-2-enoate

• • Chemical Formula: C₂₃H₂₆N₆O₆S
  • Exact Mass: 514.16
  • Molecular Weight: 514.55

The synthesis of compound III-173 was performed according to compound III-160, using 1,2,5-thiadiazole-3-carboxylic acid instead of 4-Boc-amino-1,2,5-oxadiazole-3-carboxylic acid in the final step.

Yield: 23 mg, 42% (last step)

ESI-MS: 515.3 [M+H]⁺

184 Preparation of Compound III-174

(S,E)-methyl 6-(4-formyl-1,2,3-thiadiazole-5-carboxamido)-7-(1-(2-(2-carboxy-2-amino-5-(trifluoromethyl)adamantane)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-7-oxohept-2-enoate

• • Chemical Formula: C₃₁H₃₃F₃N₆O₉S
  • Exact Mass: 722.20
  • Molecular Weight: 722.69

The synthesis of compound III-174 was performed according to compound III-2, using 1-acetylamino-4-aminoadamantane in step 2 (according to ZED3905) and 4-(hydroxymethyl)-1,2,3-thiadiazole-5-carboxylic acid instead of 3-methylbenzo[b]furan-2-carboxylic acid in the final step.

Yield: 15 mg, 34% (last step)

ESI-MS: 723.4 [M+H]⁺

185 Preparation of Compound III-175

(S,E)-methyl 6-(4-(hydroxymethyl)-1,2,3-thiadiazole-5-carboxamido)-7-(1-(2-(2-adamantylamino)-2-oxoethyl)-2-oxo-1,2-dihydropyridin-3-ylamino)-7-oxohept-2-enoate

• • Chemical Formula: C₂₉H₃₆N₆O₇S
  • Exact Mass: 612.24
  • Molecular Weight: 612.70

The synthesis of compound III-175 was performed according to compound III-2, using 4-((tetrahydro-2H-pyran-2-yloxy)methyl)-1,2,3-thiadiazole-5-carboxylic acid in the final step before the tetrahydropyranyl (Thp) protecting group was cleaved by TFA.

Yield: 23 mg, 42% (last step)

ESI-MS: 613.4 [M+H]⁺

BIOLOGICAL EXAMPLES

Example B-1. Inhibitory Effect of the Compounds According to the Invention

Transglutaminase Assay

For the determination of potency of inhibitors against tissue transglutaminase, the incorporation of dansylcadaverine into dimethylcasein (Zedira product T036, Lorand et al., Anal Biochem, 1971, 44:221-31) was measured using recombinant human transglutaminase 2 (Zedira Product T022).

The tissue transglutaminase is diluted in buffer (50 mM Tris-HCl, 7.5 mM CaCl₂, 150 mM NaCl, pH=7.4). The final concentration of TG2 in the assay is 10 nM.

A 10 mM inhibitor stock solution is prepared in DMSO, and from this a serial 1:2-fold dilution series is prepared also in DMSO. Each of the initial dilutions is subsequently diluted 1:50-fold with buffer (50 mM Tris-HCl, 7.5 mM CaCl₂, 150 mM NaCl, pH=7.4) to yield the final working dilutions containing 2% (v/v) DMSO.

15 μl of inhibitor working dilution are added per well of a 96 well microtiter plate. As control, 15 μl of a 2% (v/v) DMSO solution prepared using the buffer mentioned above are added per well.

Immediately before starting the assay, 600 μl transglutaminase working solution are added to 11.4 ml assay buffer (50 mM Tris-HCl, 10 mM CaCl₂, 10 mM glutathione, 2.5% glycerol, 16.7 μM dansylcadaverine, 4 μM N,N-dimethylcasein, 200 mM NaCl, pH=8.0). 285 μl of this reaction mix are added per well containing the inhibitor.

Increase in fluorescence is measured using λ_ex=330 nm and λ_em=500 nm at 37° C. for 30 min. A slope of the increase in fluorescence between 20 and 30 min is calculated for determination of the IC₅₀ value (inhibitor concentration at which 50% of the initial activity is blocked).

Analysis of enzymatic activity is performed by calculation of the slope of an increase in fluorescence intensity. IC₅₀ values are calculated by plotting the enzymatic activity (as percentage from control containing 2% DMSO instead of inhibitor) against the inhibitor concentration. IC₅₀ is defined as the inhibitor concentration blocking 50% of initial enzyme activity.

The inhibitory activity of the inventive compounds in regard to tissue transglutaminase (TG2) is shown in the following table 1 using IC₅₀-values.

TABLE 1
efficacy of irreversible TG2 inhibitors
         IC50
Compound TG2 [nM]
III-1    A
III-2    A
III-3    A
III-4    A
III-5    A
III-6    A
III-7    A
III-8    A
III-9    A
III-10   A
III-11   B
III-12   A
III-13   A
III-14   A
III-15   A
III-16   A
III-17   A
III-18   A
III-19   A
III-20   A
III-21   A
III-22   A
III-23   B
III-24   B
III-25   B
III-26   B
III-27   B
III-28   C
III-29   B
III-30   B
III-31   B
III-32   B
III-33   A
III-34   A
III-35   A
III-36   B
III-37   B
III-38   B
III-39   A
III-40   A
III-41   A
III-42   A
III-43   B
III-44   B
III-45   B
III-46   A
III-47   C
III-48   B
III-49   B
III-50   B
III-51   A
III-52   A
III-53   A
III-54   B
III-55   B
III-56   B
III-57   B
III-58   A
III-59   A
III-60   A
III-61   B
III-62   A
III-63   A
III-64   A
III-65   A
III-66   B
III-67   A
III-68   A
III-69   A
III-70   A
III-71   B
III-72   B
III-73   A
III-74   A
III-75   B
III-76   B
III-77   B
III-78   C
III-79   C
III-80   C
III-81   C
III-82   C
III-83   A
III-84   A
III-85   A
III-86   A
III-87   B
III-88   A
III-89   A
III-90   A
III-91   A
III-92   A
III-93   A
III-94   A
III-95   A
III-96   A
III-97   A
III-98   A
III-99   B
III-100  B
III-101  B
III-102  B
III-103  B
III-104  B
III-105  B
III-106  B
III-107  B
III-108  A
III-109  A
III-110  A
III-111  A
III-112  A
III-113  A
III-114  A
III-115  A
III-116  A
III-117  A
III-118  A
III-119  A
III-120  A
III-121  A
III-122  B
III-123  A
III-124  A
III-125  A
III-126  A
III-127  A
III-128  A
III-129  B
III-130  B
III-131  C
III-132  C
III-133  C
III-134  B
III-135  B
III-136  C
III-137  C
III-138  C
III-139  C
III-140  B
III-141  C
III-142  B
III-143  C
III-144  C
III-145  B
III-146  C
III-147  B
III-148  B
III-149  C
III-150  B
III-151  C
III-152  B
III-153  B
III-154  C
III-155  B
III-156  C
III-157  C
III-158  C
III-159  C
III-160  C
III-161  C
III-162  C
III-163  C
III-164  C
III-165  B
III-166  B
III-167  C
III-168  C
III-169  B
III-170  B
III-171  B
III-172  B
III-173  B
III-174  C
III-175  C
Ref. 2   B
Ref. 3   D
Ref. 5   C
A: IC50 < 25 nM,
B: 25 nM < IC50 < 250 nM,
C: 250 nM ≤ IC50 < 1,500 nM,
D: 1,500 nM ≤ IC50 < 10,000 nM

Example B-2. Log D Values of the Inventive Compounds

In order to classify the inventive compounds according to their lipophilicity, Log D values (distribution coefficient) were determined by means of the well-established shake flask method, measuring the partition of a compound between an octanol and phosphate-buffered saline (PBS, pH 7.4) by HPLC.

The Log D is pH dependent and is a “predictor” for in-vivo properties. Log D combines lipophilicity (intrinsic structural property of the molecule, log P) and ionizability (pKa).

Compounds with a moderate lipophilicity (Log D values from 0 to 3) are usually advantaged for oral absorption, being in balance between solubility and permeability.

However, sophisticated formulation of a compound might improve oral bioavailability for highly lipophilic compounds.

TABLE 2
logD values of irreversible TG2 inhibitors
Compound logD
III-1    B
III-2    C
III-3    C
III-4    C
III-5    C
III-6    C
III-7    C
III-8    C
III-9    C
III-10   C
III-11   C
III-12   C
III-13   C
III-14   C
III-15   C
III-16   C
III-17   C
III-18   C
III-19   C
III-20   C
III-21   B
III-22   B
III-23   B
III-24   B
III-25   C
III-26   B
III-27   C
III-28   C
III-29   C
III-30   C
III-31   B
III-32   C
III-33   C
III-34   C
III-35   C
III-36   C
III-37   C
III-38   B
III-39   C
III-40   C
III-41   C
III-42   C
III-43   C
III-44   C
III-45   C
III-46   C
III-47   C
III-48   C
III-49   C
III-50   B
III-51   C
III-52   C
III-53   C
III-54   C
III-55   C
III-56   C
III-57   C
III-58   B
III-59   C
III-60   C
III-61   C
III-62   B
III-63   C
III-64   B
III-65   C
III-66   B
III-67   C
III-68   C
III-69   C
III-70   C
III-71   C
III-72   C
III-73   C
III-74   C
III-75   C
III-76   B
III-77   C
III-78   C
III-79   C
III-80   B
III-81   C
III-82   C
III-83   C
III-84   C
III-85   B
III-86   B
III-87   B
III-88   B
III-89   C
III-90   B
III-91   C
III-92   C
III-93   B
III-94   C
III-95   C
III-96   A
III-97   C
III-98   B
III-99   C
III-100  B
III-101  B
III-102  B
III-103  B
III-104  B
III-105  B
III-106  C
III-107  C
III-108  C
III-109  C
III-110  B
III-111  B
III-112  B
III-113  B
III-114  B
III-115  B
III-116  A
III-117  B
III-118  B
III-119  A
III-120  B
III-121  B
III-122  B
III-123  C
III-124  C
III-125  B
III-126  C
III-127  C
III-128  C
III-129  B
III-130  B
III-131  C
III-132  C
III-133  C
III-134  B
III-135  B
III-136  A
III-137  B
III-138  A
III-139  A
III-140  A
III-141  A
III-142  B
III-143  B
III-144  C
III-145  A
III-146  A
III-147  B
III-148  C
III-149  B
III-150  A
III-151  A
III-152  B
III-153  B
III-154  B
III-155  B
III-156  C
III-157  B
III-158  A
III-159  A
III-160  A
III-161  B
III-162  A
III-163  A
III-164  A
III-165  B
III-166  B
III-167  A
III-168  A
III-169  A
III-170  A
III-171  A
III-172  A
III-173  A
III-174  B
III-175  B
Ref. 2   B
Ref. 3   B
Ref. 5   B
A: logD < 1,
B: 1 ≤ logD < 3,
C: 3 ≤ logD < 5

Example B-3. Caco-2 Permeability Assay of the Inventive Compounds

Permeability coefficients (P_app values) were obtained from Caco-2 barrier studies predicting oral/intestinal bioavailability of the tested compounds. The assays were performed by using CacoReady™ ready-to-use kits from ReadyCell according to the manufacturers protocol.

It is considered that compounds bearing P_app values above 1×10⁻⁶ cm/s are classified as permeable whereas compounds bearing P_app values below 1×10⁻⁶ cm/s are classified as not permeable.

TABLE 3
Caco2 permeability assay of irreversible TG2 inhibitors
Compound Papp [cm/s] × 10−6
III-1    A
III-2    B
III-3    B
III-4    B
III-5    B
III-6    B
III-7    B
III-8    A
III-9    A
III-10   B
III-11   A
III-12   B
III-13   B
III-14   B
III-15   B
III-16   B
III-17   A
III-18   A
III-19   B
III-20   B
III-21   A
III-22   B
III-23   B
III-24   A
III-25   A
III-26   B
III-27   A
III-28   A
III-29   A
III-30   A
III-31   A
III-32   A
III-33   A
III-34   A
III-35   A
III-36   A
III-37   B
III-38   A
III-39   B
III-40   B
III-41   B
III-42   B
III-43   A
III-44   A
III-45   B
III-46   B
III-47   B
III-48   B
III-49   B
III-50   A
III-51   B
III-52   B
III-53   B
III-54   A
III-55   B
III-56   B
III-57   B
III-58   A
III-59   B
III-60   A
III-61   B
III-62   A
III-63   B
III-64   B
III-65   B
III-66   B
III-67   B
III-68   B
III-69   B
III-70   B
III-71   B
III-72   B
III-73   B
III-74   B
III-75   B
III-76   A
III-77   B
III-78   A
III-79   B
III-80   A
III-81   B
III-82   B
III-83   A
III-84   A
III-85   A
III-86   A
III-87   A
III-88   A
III-89   B
III-90   B
III-91   B
III-92   B
III-93   B
III-94   B
III-95   B
III-96   B
III-97   B
III-98   B
III-99   A
III-100  A
III-101  A
III-102  A
III-103  B
III-104  A
III-105  B
III-106  B
III-107  B
III-108  A
III-109  A
III-110  A
III-111  A
III-112  A
III-113  A
III-114  A
III-115  A
III-116  A
III-117  A
III-118  A
III-119  A
III-120  A
III-121  A
III-122  A
III-123  B
III-124  B
III-125  B
III-126  B
III-127  B
III-128  B
III-129  A
III-130  A
III-131  B
III-132  B
III-133  A
III-134  B
III-135  B
III-136  A
III-137  A
III-138  A
III-139  A
III-140  B
III-141  B
III-142  B
III-143  B
III-144  A
III-145  A
III-146  A
III-147  B
III-148  B
III-149  A
III-150  A
III-151  A
III-152  B
III-153  B
III-154  B
III-155  B
III-156  B
III-157  A
III-158  A
III-159  A
III-160  A
III-161  A
III-162  A
III-163  A
III-164  A
III-165  A
III-166  A
III-167  A
III-168  A
III-169  A
III-170  A
III-171  A
III-172  A
III-173  A
III-174  A
III-175  A
Ref. 2   A
Ref. 3   A
Ref. 5   A
A: Papp < 1 × 10−6 cm/s,
B: 1 × 10−6 cm/s ≤ Papp < 10 × 10−6 cm/s

Claims

1. A compound of the general formula (I):

2. The compound according to claim 1, wherein the compound has the formula (I):

3. The compound according to claim 1, wherein R1 represents

4. The compound according to claim 1, wherein R2 represents

5. The compound according to any one of claims 1, 3 and 4, wherein R1 represents

6. The compound according to any one of the claims 1, and 3-5, wherein the compound has any one of the formulae (VI-a)-(VI-I), (VII-a)-(VII-I), (VIII-a)-(VIII-I), (IX-a)-(IX-d), (X-a)-(X-d), and (XI-a)-(XI-d):

7. The compound according to any one of the claims 1 and 3-6, wherein R2 represents

8. The compound according to any one of the claims 1 and 3-7, wherein R3 represents

9. The compound according to claim 1 selected from the group consisting of:

10. A pharmaceutical composition comprising a compound of any one of the claims 1-9 as an active ingredient, together with at least one pharmaceutically acceptable carrier, excipient and/or diluent.

11. Compound according to any one of the claims 1-9 for use in medicine.

12. Compound according to any one of the claims 1-9 or the pharmaceutical composition according to claim 10 for use in the treatment or prophylaxis of autoimmune and inflammatory diseases, vascular diseases, fibrotic diseases, liver diseases, cholestatic liver diseases, cancer, neurodegenerative diseases, ocular diseases, and skin disorders.

13. Compound for use, or the pharmaceutical composition for use according to claim 12, wherein the autoimmune and inflammatory diseases comprise multiple sclerosis, celiac disease, Duhring-Brocq-disease (dermatitis herpetiformis), gluten ataxia, gluten neuropathy, diabetes, rheumatoid arthritis, Graves' disease, inflammatory bowel disease, systemic lupus erythematosus psoriasis, and gingivitis; wherein the vascular diseases comprise atherosclerosis, thrombosis, vascular stiffness; wherein the fibrotic diseases affect the lung, the kidney, the liver, the skin or the gut like cystic fibrosis, kidney fibrosis and diabetic nephropathy, intestinal fibrosis, idiopathic lung fibrosis, liver fibrosis; wherein the liver diseases comprise alcoholic hepatitis, alcoholic steatohepatitis, nonalcoholic steatohepatitis, non-alcoholic fatty liver disease, liver cirrhosis, autoimmune hepatitis or liver inflammation; wherein the cholestatic liver diseases comprise primary biliary cholangitis and primary sclerosing cholangitis; wherein the cancer comprises glioblastoma, melanoma, pancreatic cancer, renal cell carcinoma, meningioma, and breast cancer, wherein the neurodegenerative diseases comprise Parkinson's disease, Huntington's disease, or Alzheimer's disease, wherein the ocular diseases comprise glaucoma, cataracts, macular degeneration, or uveitis; and wherein the skin disorders comprise acne, psoriasis, scarring, and skin aging.

14. Compound for use or the pharmaceutical composition for use according to any one of the claims 12 and 13 in the treatment or prophylaxis of celiac disease.

15. A method for producing the compound of formula (Ic) according to claim 1 comprising: Step 1C: providing a compound 4c