Claims
- 1. A compound of the formula: ##STR17## wherein A.sup.1 is lower alkylene,
- R.sup.1 is benzimidazolyl, which is substituted with one or more substituents selected from the group consisting of halogen, lower alkyl, lower alkoxy, lower alkylamino and a heterocyclic group,
- R.sup.2 is hydrogen, halogen or lower alkyl,
- R.sup.3 is halogen or lower alkyl, and
- R.sup.4 is carboxy, lower alkanoyl or a group of the formula: ##STR18## in which R.sup.5 is amino, acylamino, cyano, hydroxy, hydroxyimino(lower)alkyl or acyl,
- R.sup.6 is hydrogen or acyl,
- A.sup.2 is lower alkylene or a single bond, and
- Q is lower alkenylene or a group of the formula: ##STR19## in which R.sup.7 is hydrogen or halogen;
- R.sup.8 is hydrogen, or
- R.sup.8 and R.sup.2 are taken together to form lower alkylene; and
- R.sup.9 is hydrogen, lower alkyl or ar(lower)alkyl; provided that A.sup.2 is lower alkylene when
- R.sup.8 is hydrogen,
- and pharmaceutically acceptable salts thereof.
- 2. A compound of claim 1, wherein
- R.sup.4 is a group of the formula:
- --Q--A.sup.2 --R.sup.5,
- in which
- R.sup.5 is amino or acylamino,
- A.sup.2 is lower alkylene, and
- Q is lower alkenylene or a group of the formula: ##STR20##
- 3. A compound of claim 2, wherein R.sup.1 is 2-(lower alkoxy)-1-(lower alkyl)-1H-benzimidazol-4-yl and 1-(lower alkyl)-2-(lower alkyl)-1H-benzimidazol-4-yl, and
- A.sup.1 is methylene.
- 4. A compound of claim 3, wherein
- R.sup.5 is amino or a group of the formula: ##STR21## in which A.sup.3 is --NH--, lower alkylene or lower alkenylene,
- Z is CH or N,
- R.sup.11 is hydrogen, lower alkyl or lower alkoxy, and
- R.sup.10 is carboxy, esterified carboxy, heterocyclic(lower)alkenyl or a group of the formula: ##STR22## in which R.sup.12 is hydrogen, lower alkyl, heterocyclic(lower)alkyl, a heterocyclic group, lower alkanoyl, lower alkoxy(lower)alkanoyl, heterocycliccarbonyl optionally substituted with lower alkyl, or lower alkylsulfonyl, and
- R.sup.13 is hydrogen, lower alkyl or heterocyclic(lower)alkyl, or
- R.sup.12 and R.sup.13 are taken together with the attached nitrogen atom to form a heterocyclic group optionally substituted with oxo, and
- Y is a single bond or --CO--.
- 5. A compound of claim 4, wherein
- R.sup.1 is 2-(lower alkoxy)-1-(lower alkyl)-1H-benzimidazol-4-yl or 1-(lower alkyl)-2-(lower alkyl)-1H-benzimidazol-4-yl,
- Q is a group of the formula: ##STR23## A.sup.2 is methylene, and R.sup.5 is a group of the formula: ##STR24##
- 6. A process for preparing a compound of the formula: wherein
- A.sup.1 is lower alkylene,
- R.sup.1 is benzimidazolyl which is substituted with one or more substituents selected from the group consisting of halogen, lower alkyl, lower alkoxy, lower alkylamino and a heterocyclic group,
- R.sup.2 is hydrogen, halogen or lower alkyl,
- R.sup.3 is halogen or lower alkyl, and
- R.sup.4 is carboxy, lower alkanoyl or a group of the formula: ##STR25## in which R.sup.5 is amino, acylamino, cyano, hydroxy, hydroxyimino(lower)alkyl or acyl,
- R.sup.6 is hydrogen or acyl,
- A.sup.2 is lower alkylene or a single bond, and
- Q is lower alkenylene or a group of the formula: ##STR26## in which R.sup.7 is hydrogen or halogen;
- R.sup.8 is hydrogen, or
- R.sup.8 and R.sup.2 are taken together to form lower alkylene; and
- R.sup.9 is hydrogen, lower alkyl or ar(lower)alkyl; provided that A.sup.2 is lower alkylene when
- R.sup.8 is hydrogen,
- or its salt, which comprises
- a) reacting a compound of the formula: ##STR27## wherein X is a leaving group, and
- R.sup.2, R.sup.3, R.sup.4 and A.sup.1 are each as defined above,
- or its salt with a compound of the formula:
- R.sup.1 --OH
- wherein
- R.sup.1 is as defined above,
- or its salt to give a compound of the formula: ##STR28## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4 and A.sup.1 are each as defined above,
- or its salt, or
- b) acylating a compound of the formula: ##STR29## wherein R.sup.1, R.sup.2, R.sup.3, A.sup.1, A.sup.2 and Q are each as defined above,
- or its salt to give a compound of the formula: ##STR30## wherein R.sub.a.sup.5 is acylamino, and
- R.sup.1, R.sup.2, R.sup.3, A.sup.1, A.sup.2 and Q are each as defined above,
- or its salt, or
- c) subjecting a compound of the formula: ##STR31## wherein R.sub.a.sup.10 is esterified caboxy,
- R.sup.11 is hydrogen, lower alkyl or lower alkoxy,
- A.sup.3 is --NH--, lower alkylene or lower alkenylene,
- Z is CH or N, and
- R.sup.1, R.sup.2, R.sup.3, A.sup.1, A.sup.2 and Q are each as defined above,
- or its salt to deesterification reaction to give a compound of the formula: ##STR32## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.1 l, A.sup.1, A.sup.2, A.sup.3, Q and Z are each as defined above,
- or its salt, or
- d) reacting a compound of the formula: ##STR33## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.11, A.sup.1, A.sup.2, A.sup.3, Q and Z are each as defined above,
- or its reactive derivative at the carboxy group or a salt thereof with a compound of the formula: ##STR34## wherein R.sup.12 is hydrogen, lower alkyl, heterocyclic(lower)alkyl, a heterocyclic group, lower alkanoyl, lower alkoxy(lower)alkanoyl, heterocycliccarbonyl optionally substituted with lower alkyl, or lower alkylsulfonyl, and
- R.sup.13 is hydrogen, lower alkyl or heterocyclic(lower)alkyl, or
- R.sup.12 and R.sup.13 are taken together with the attached nitrogen atom to form a heterocyclic group optionally substituted with oxo,
- or its salt to give a compound of the formula: ##STR35## wherein R.sup.1 R.sup.2, R.sup.3, R.sup.11, R.sup.12, R.sup.13, A.sup.1, A.sup.2, A.sup.3, Q and Z are each as defined above,
- or its salt.
- 7. A pharmaceutical composition comprising a compound of claim 1, as an active ingredient, in association with a pharmaceutically acceptable, substantially nontoxic carrier or excipient.
- 8. A method for the prevention and/or the treatment of bradykinin or its analogues mediated diseases which comprises administering a compound of claim 1 to a patient in need thereof.
Priority Claims (1)
Number |
Date |
Country |
Kind |
9519077 |
Sep 1995 |
GBX |
|
Parent Case Info
This application is a Division of application Ser. No. 09/029,852 Filed on Mar. 13, 1998, now U.S. Pat. No. 6,008,229, which was filed as International Application No. PCT/JP96/02669 filed on Sep. 18, 1996.
US Referenced Citations (4)
Foreign Referenced Citations (4)
Number |
Date |
Country |
0 596 406 |
May 1994 |
EPX |
0 622 361 |
Nov 1994 |
EPX |
WO 9604251 |
Feb 1996 |
WOX |
WO 9613485 |
May 1996 |
WOX |
Divisions (1)
|
Number |
Date |
Country |
Parent |
029852 |
|
|