Process for the racemization of chiral quinazolinones
US6753428B2 · kind B2 · utility
38Cited by
56References
12Claims
0Family size
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Key dates
| Filing date | Nov 20, 2002 |
| Grant date | Jun 22, 2004 |
| Priority date | — |
| Expiry date | Nov 20, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D239/90
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Racemates are obtained from one of the enantiomers, or an enantiomerically enriched mixture, of an optically active quinazolinone derivative by reaction of the compound with an alkali alkoxide of a primary alcohol and isolation of the racemate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.