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
Assignee
Inventors
Key dates
| Filing date | Mar 31, 1977 |
| Grant date | Jun 27, 1978 |
| Priority date | — |
| Expiry date | Mar 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.