Pyrrolidine derivatives
US4230623A · kind A · utility
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2Claims
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Assignee
Inventors
Key dates
| Filing date | Nov 13, 1978 |
| Grant date | Oct 28, 1980 |
| Priority date | — |
| Expiry date | Nov 13, 1998 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D207/09
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Pyrrolidine derivatives of the formula ##STR1## wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are as hereinafter described, prepared inter alia from the corresponding pyrrolines, are described. The compounds are useful as analgesic agents.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.