Patent · US Expired

Cyclopenta[B]thiophene derivatives

US4122091A · kind A · utility

0Cited by
2References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 8, 1977
Grant dateOct 24, 1978
Priority date
Expiry dateMar 8, 1997

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D333/78
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Cyclopenta[b]thiophene derivatives of formula: ##STR1## in which R.sub.1 is lower alkyl, R.sub.2 is hydrogen or lower alkyl, and R.sub.3 is hydrogen, lower alkyl, or aminoalkyl, and their salts are useful in therapy particularly as analgesic and anti-inflammatory agents.

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