Patent · US Expired

Substituted imidazolyl-alkyl-piperazine and -diazepine derivatives

US5091428A · kind A · utility

10Cited by
8References
31Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 7, 1991
Grant dateFeb 25, 1992
Priority date
Expiry dateFeb 7, 2011

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D403/06
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Substituted imidazolyl-alkyl-piperazine and diazepine derivatives of Formula A: ##STR1## wherein: R.sup.1 is aryl, lower alkyl, cycloalkyl or hydrogen; PA1 R.sup.2 is aryl, lower alkyl or hydrogen; PA1 R.sup.3 is lower alkyl, hydroxy, or hydrogen; PA1 R.sup.4 is aryl or hydrogen; PA1 R.sup.5 is aryl or hydrogen; PA1 m is two or three; PA1 n is zero, one or two, provided that when R.sup.3 is hydroxy, n is one or two; and PA1 q is zero, one, two, or three; and the pharmaceutically acceptable salts thereof, are calcium channel antagonists useful for treating mammals having a variety of disease states, such as stroke, epilepsy, hypertension, angina, migraine, arrhythmia, thrombosis, embolism and also for treatment of spinal injuries.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.