Pyrrolidines
US3991197A · kind A · utility
1Cited by
0References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 12, 1976 |
| Grant date | Nov 9, 1976 |
| Priority date | — |
| Expiry date | Feb 12, 1996 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/55
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Compounds represented by the formula ##SPC1## PA0 Wherein R.sup.1 is a pyridyl, R.sup.2 is hydrogen or lower alkyl, R.sup.3 is hydrogen, lower alkyl or benzyl and R.sup.4 is phenyl or phenyl substituted at one or more carbon atoms with one or more of halogen, lower alkyl, lower alkoxy, nitro or amino and pharmaceutically acceptable acid addition salts thereof, having analgesic activity are disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.