Baker's Yeast Mediated Enantiospecific Synthesis of anti-(2R,3R)p-Chloro-3-hydroxytyrosine: An Ξ±-Amino-Ξ²-hydroxy Acid of Vancomycin. -The synthesis of the protected derivative (V) is achieved via baker's yeast-mediated reduction of the Ξ±-azido-Ξ²-keto ester (II) at pH 4.0. At pH 7.0 the enantioselect
β¦ LIBER β¦
Stereoselective synthesis of (2R, 3S)-syn-2-allyl-3-hydroxy butanoate mediated by an enzymatic system from bakers' yeast
β Scribed by Kaoru Nakamura; Takehiko Miyai; Yasushi Kawai; Nobuyoshi Nakajima; Atsuyoshi Ohno
- Publisher
- Elsevier Science
- Year
- 1990
- Tongue
- French
- Weight
- 126 KB
- Volume
- 31
- Category
- Article
- ISSN
- 0040-4039
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β¦ Synopsis
Reduction of ethyl 2-allyl-3-oxobutanoate by an enzyme fraction obtained from bakers' yeast results in the formation of ethyl (a,%)-sun-2-allyl-3-hydroxybutanoate in an excellent stereoselectivity.
Diastereomerically
as well as enantiomerically pure 2-allyl-3-hydroxy-
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