Process for the production of enantiomerically enriched N-acylazetidine-2-carboxylic acids
US6054594A · kind A · utility
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3References
2Claims
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Key dates
| Filing date | Dec 16, 1998 |
| Grant date | Apr 25, 2000 |
| Priority date | — |
| Expiry date | Dec 16, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D205/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Process for obtaining an enantiomerically enriched N-acylazetine-2-carboxylic acid by selectine crystallization of a diastereoisomeric salt formed by relcting an enantiomer of the N-acylazetidine-2-carboxylic acid and an enantiomer of 1-phenylethylamine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.