2-(2-oxo-1-pyrrolidinyl) acetic acids
US4650878A · kind A · utility
9Cited by
8References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 25, 1984 |
| Grant date | Mar 17, 1987 |
| Priority date | — |
| Expiry date | Jun 25, 2004 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F7/1804
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
2-(2-Oxo-1-pyrrolidinyl)acetic acids of the formula ##STR1## wherein R.sup.2 is hydrogen or lower alkyl and R.sup.11 is hydrogen, lower alkanoyl or another group readily cleavable by means of ammonia, are described. The compounds of formula III of the invention are useful to prepare the compound of formula I of the invention which are useful as medicaments, for example, in the form of pharmaceutical preparations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.