4-arylcyclopenta[c]pyrrole analgesics
US5541217A · kind A · utility
6Cited by
1References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 17, 1995 |
| Grant date | Jul 30, 1996 |
| Priority date | — |
| Expiry date | May 17, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D209/70
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The 4-arylcyclopenta[c]pyrroles of the following formula are effective analgesics: ##STR1## including stereoisomers and pharmaceutically acceptable salts thereof, wherein ##STR2## with the proviso that the 3a and 6a hydrogens are cis and where there is a 4-position hydroxy then such is trans to the 3a and 6a hydrogens, and PA0 with the proviso that R.sup.b is not hydrogen when the 4-position aryl is cis to the 3a and 6a hydrogens and there is no hydroxy at the 4-position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.