A process for making pyrrolidone derivatives
US4868313A · kind A · utility
1Cited by
0References
1Claims
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Assignee
Inventors
Key dates
| Filing date | Jan 23, 1989 |
| Grant date | Sep 19, 1989 |
| Priority date | — |
| Expiry date | Jan 23, 2009 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K38/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention relates to 4-hydroxy pyrrolidone derivatives which help restore learning and memory difficulties associated with ageing. A compound of the invention is 2-(4-hydroxy-2-oxo-1-pyrrolidineacetamido)acetamide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.