Stereoselective, Biocatalytic Reductions of α-Chloro-β-keto Esters
- 3 December 2004
- journal article
- Published by American Chemical Society (ACS) in The Journal of Organic Chemistry
- Vol. 70 (1) , 342-345
- https://doi.org/10.1021/jo0484981
Abstract
Eighteen known and putative reductases from baker's yeast (Saccharomyces cerevisiae) were tested for the ability to reduce a series of alpha-chloro-beta-keto esters. In nearly all cases, it was possible to produce at least two of the four possible alpha-chloro-beta-hydroxy ester diastereomers with high optical purities. The utility of this approach was demonstrated by reducing ethyl 2-chloroacetoacetate to the corresponding syn-(2R,3S)-alcohol on a multigram scale using whole cells of an Escherichia coli strain overexpressing a single yeast reductase identified from the screening studies.Keywords
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