Indole derivatives useful as endothelin receptor antagonists

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...

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Other Related Categories

548468, A61K 3140, C07D40506

Type

Patent

Status

active

Patent number

061368431

Description

ABSTRACT:
##STR1## Compounds of formula (I), and their pharmaceutically acceptable derivatives, wherein R.sup.1 and R.sup.2 are optional substituents and independently represent C.sub.1-6 alkyl, C.sub.2-6 alkenyl optionally substituted by CO.sub.2 H or CO.sub.2 (C.sub.1-6 alkyl, C.sub.2-6 alkynyl, halogen, C.sub.1-3 perfluoroalkyl, (CH.sub.2).sub.m Ar.sup.1, (CH.sub.2).sub.m Het.sup.1, (CH.sub.2).sub.m CONR.sup.7 R.sup.8, (CH.sub.2).sub.m CO.sub.2 R.sup.8, O(CH.sub.2).sub.q CO.sub.2 R.sup.8, (CH.sub.2).sub.m COR.sup.8, (CH.sub.2).sub.m OR.sup.8, O(CH.sub.2).sub.p OR.sup.8, (CH.sub.2).sub.m NR.sup.7 R.sup.8, CO.sub.2 (CH.sub.2).sub.q NR.sup.7 R.sup.8, (CH.sub.2).sub.m CN, S(O).sub.n R.sup.8, SO.sub.2 NR.sup.7 R.sup.8, CONH(CH.sub.2).sub.m Ar.sup.1 or CONH(CH.sub.2).sub.m Het.sup.1 ; R.sup.3 represents H, C.sub.1-6 alkyl, (CH.sub.2).sub.p CONR.sup.9 R.sup.10, SO.sub.2 R.sup.10, SO.sub.2 NR.sup.9 R.sup.10, (CH.sub.2).sub.m COR.sup.10, C.sub.2-6 alkenyl, C.sub.2-6 alkynyl, (CH.sub.2).sub.m CONR.sup.9 R.sup.10, (CH.sub.2).sub.m CO.sub.2 R.sup.10, (CH.sub.2).sub.p CN, (CH.sub.2).sub.p R.sup.10 or (CH.sub.2).sub.p OR.sup.10 ; R.sup.4 represents H or C.sub.1-6 alkyl; R.sup.5 represents H or OH; R.sup.6 represents phenyl optionally fused to a heterocylic ring, the group as a whole being optionally substituted; R.sup.7-10 are fully defined herein and may independently represent Ar.sup.2 or Het.sup.2 ; Z represents CO.sub.2 H, CONH(tetrazol-5-yl), CONHSO.sub.2 O(C.sub.1-4 alkyl), CO.sub.2 Ar.sup.3, CO.sub.2 (C.sub.1-6 alkyl), tetrazol-5-yl, CONHSO.sub.2 Ar.sup.3, CONHSO.sub.2 (CH.sub.2).sub.q Ar.sup.3 or CONHSO.sub.2 (C.sub.1-6 alkyl); Ar.sup.1-3 independently represent phenyl, naphthyl, or an aromatic heterocycle, which groups are optionally fused and optionally substituted; and Het.sup.1 and Het.sup.2 independently represent a non-aromatic heterocycle which is optionally substituted; are useful in the treatment of restenosis, renal failure and pulmonary hypertension.

REFERENCES:
patent: 3202677 (1965-08-01), Roozemond
patent: 5245046 (1993-09-01), Youngdale et al.
patent: 5468898 (1995-11-01), Huang et al.

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