Process for preparation of optically active propoxyaniline derivatives
US7217560B2 · kind B2 · utility
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12Claims
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Key dates
| Filing date | Mar 6, 2002 |
| Grant date | May 15, 2007 |
| Priority date | — |
| Expiry date | May 4, 2023 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC12P41/005
- WIPO fieldBiotechnology
- WIPO sectorChemistry
Abstract
Treatment of a lactic acid ester derivative with an enzyme or the like, which has asymmetric ester-hydrolyzing ability, can specifically hydrolyze the ester moiety of an isomer existing as the pair to the racemic derivative. Use of the compound obtained by this hydrolysis makes it possible to produce an optically active propoxyaniline derivative by a shorter process than the conventional art
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.