Patent · US Expired

Aminopiperazine derivatives

US6291464A · kind A · utility

2Cited by
1References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 17, 1999
Grant dateSep 18, 2001
Priority date
Expiry dateAug 17, 2019

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D295/192
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

This invention relates to new aminopiperazine derivatives having the potentiation of the cholinergic activity, etc., and represented by general formula [I]. ##STR1## wherein PA1 R.sup.1 is lower alkyl, etc., PA1 R2 is aryl, etc., PA1 A is ##STR2## or --SO.sub.2 --, PA1 Q is --N.dbd.CH--, etc., PA1 X is lower alkylene, etc., and PA1 R.sup.3 and R.sup.4 are taken together to form lower alkylene, etc., and pharmaceutically acceptable salts thereof, to processes for preparation thereof and a pharmaceutical composition comprising the same.

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