Patent · US Expired

Cyclopenta[b]thiophene derivatives

US4156000A · kind A · utility

1Cited by
1References
9Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 31, 1978
Grant dateMay 22, 1979
Priority date
Expiry dateJul 31, 1998

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D333/22
  • 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.