Process for the separation of the enantiomers of a bicyclic lactam
US5898075A · kind A · utility
2Cited by
1References
8Claims
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Key dates
| Filing date | Mar 13, 1997 |
| Grant date | Apr 27, 1999 |
| Priority date | — |
| Expiry date | Mar 13, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D209/52
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process is described for obtaining a single enantiomer from a racemic mixture of the bicyclic lactam 2-azabicyclo2.2. 1! hept-5-en-one by seeding a supersaturated solution of the lactam and a solvent with a single enantiomer of the lactam.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.