Patent · US Expired

Bicyclic sulfonamide derivatives

US4976891A · kind A · utility

2Cited by
5References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 23, 1989
Grant dateDec 11, 1990
Priority date
Expiry dateMar 23, 2009

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P20/55
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Bicyclic sulfonamido derivatives represented by the formula: ##STR1## wherein R.sub.1 is a hydrogen or lower alkyl; R.sub.2 is an alkyl, substituted or unsubstituted arly, aralkyl or hetelocycle; R.sub.3 is hydrogen or methyl; X is an alkylene or alkenylene which may be substituted by a fluorine atom or atoms and may contain an oxygen, sulfur and/or phenylene in the chain; Y is straight or branched alkylene or alkeneylene, oxygen, or sulfur; m is 0 or 1; and n is 0, 1 or 2, or their salt, said derivatives being useful as antithrombotic, anti-vasoconstricting, and anti-bronchoconstricting drugs.

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