Process for the production of optically active 2-hydroxy-4-phenyl-3-butenoic acid
US5288620A · kind A · utility
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Key dates
| Filing date | May 20, 1992 |
| Grant date | Feb 22, 1994 |
| Priority date | — |
| Expiry date | May 20, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S435/93
- WIPO fieldBiotechnology
- WIPO sectorChemistry
Abstract
Optically active 2-hydroxy-4-phenyl-3-butenoic acid can be obtained by treating 2-oxo-4-phenyl-3-butenoic acid with an optionally treated microorganism capable of asymmetrically reducing the 2-oxo-4-phenyl-3-butenoic acid into (R)-2-hydroxy-4-phenyl-3-butenoic acid or (S)-2-hydroxy-4-phenyl-3-butenoic acid to thereby asymmetrically reduce the same into (R)-2-hydroxy-4-phenyl-3-butenoic acid or (S)-2-hydroxy-4-phenyl-3-butenoic acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.