Patent · US Expired

5-(2-Pyrroyl)-1,2-dihydro-3H-pyrrolo1,2-a!pyrrole-1-carboxylic acid derivatives and process for the production thereof

US4097579A · kind A · utility

25Cited by
1References
24Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 31, 1977
Grant dateJun 27, 1978
Priority date
Expiry dateMar 31, 1997

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D207/34
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Novel 5-(2-pyrroyl) and 5-(N-lower alkyl-2-pyrroyl)-1,2-dihydro-3H-pyrrolo1,2-a!pyrrole-1-carboxylic acid compounds represented by the formula: ##STR1## and the pharmaceutically acceptable, non-toxic esters and salts thereof, wherein each of R and R.sup.1 is independently hydrogen or a lower alkyl group having from 1 to 4 carbon atoms and process for the production of such compounds; 5-(N-methyl-2-pyrroyl)-1,2-dihydro-3H-pyrrolo1,2-a!pyrrole-1-carboxylic acid is representative of the class. These compounds are useful as anti-inflammatory analgesic and anti-pyretic agents and as smooth muscle relaxants.

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