2-oxo-1-pyrrolidine derivatives, process for preparing them and their uses
US7217826B2 · kind B2 · utility
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8References
4Claims
0Family size
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Key dates
| Filing date | Jan 4, 2005 |
| Grant date | May 15, 2007 |
| Priority date | — |
| Expiry date | Jan 4, 2025 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D495/04
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention concerns 2-oxo-1-pyrrolidine derivatives and a process for preparing them and their uses. The invention also concerns a process for preparing α-ethyl-2-oxo-1-pyrrolidine acetamide derivatives from unsaturated 2-oxo-1-pyrrolidine derivatives. Particularly the invention concerns novel intermediates and their use in methods for the preparation of S-α-ethyl-2-oxo-1-pyrrolidine acetamide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.