Formation and resolution of ibuprofen lysinate
US4994604A · kind A · utility
28Cited by
0References
8Claims
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Assignee
Inventors
Key dates
| Filing date | Jan 10, 1990 |
| Grant date | Feb 19, 1991 |
| Priority date | — |
| Expiry date | Jan 10, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C51/487
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process is disclosed for the formation and resolution of (S)-ibuprofen-(S)-lysine. The process employs preferential crystallization to separate a pair of diasteromeric salts, (S)-ibuprofen-(S)-lysine and (R)-ibuprofen-(S)-lysine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.