期刊
ENZYME AND MICROBIAL TECHNOLOGY
卷 50, 期 1, 页码 43-49出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.enzmictec.2011.09.006
关键词
Baeyer-Villiger monooxygenases; Sulfoxidations; Solvent engineering; Baeyer-Villiger oxidation; Dynamic kinetic resolution
资金
- Spanish Ministerio de Ciencia e Innovacion (MICINN)
- MICINN [CTQ2007-61126]
The presence of different hydrophilic organic solvents or a water soluble polymer such as PEG 4000 led to an enhancement in the enzymatic activity of the M446G mutant of phenylacetone monooxygenase when it is employed in enantioselective sulfoxidations and Baeyer-Villiger reactions. By solvent engineering new substrates were found to be effectively converted by this Baeyer-Villiger monooxygenase. The use of 5% methanol together with the weak anion exchange resin Lewatit MP62 also allows the dynamic kinetic resolution of a set of racemic benzylketones. By this approach (S)-benzylesters could be obtained with high yields and optical purities. (C) 2011 Elsevier Inc. All rights reserved.
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