Enzymatic hydrolysis of 3,3-diethyl-4-[(4-carboxy)phenoxy]-2-azetidinone esters
US5523233A · kind A · utility
5Cited by
2References
4Claims
0Family size
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Inventors
Key dates
| Filing date | May 3, 1995 |
| Grant date | Jun 4, 1996 |
| Priority date | — |
| Expiry date | May 3, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S435/875
- WIPO fieldBiotechnology
- WIPO sectorChemistry
Abstract
The present invention relates to a process for converting a racemic mixture of 3,3-diethyl-4-[(4-carboxy)phenoxy]-2-azetidinone esters into the corresponding (S)-acid using lipase derived from Pseudomonas sp. The process provides the target acid in high enantiomeric excess.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.