Patent · US Expired

Heterocyclically substituted piperazinoakylbenzoxazine and piperazinoalkylbenzothiazine compounds, processes for preparing them, and medicaments containing them

US5332733A · kind A · utility

0Cited by
11References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 17, 1992
Grant dateJul 26, 1994
Priority date
Expiry dateNov 17, 2012

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D279/16
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Pharmacologically active compounds corresponding to the general formula I ##STR1## which are optionally substituted in the benzene ring and in which X denotes oxygen or sulfur, PA1 Y denotes oxygen or sulfur, PA1 R.sup.1 denotes hydrogen or lower alkyl, PA1 n is an integer from 0 to 4, and PA1 R.sup.4 is an optionally substituted 6-membered unsaturated heterocycle containing 1 or 2 nitrogen atoms not directly bonded to the piperazine ring, and physiologically acceptable acid addition salts thereof.

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