Baker's yeast mediated enantiospecific synthesis of anti-(2R,3R)-p-chloro-3-hydroxytyrosine:: an α-amino-β-hydroxy acid of Vancomycin

被引:18
作者
Fadnavis, NW [1 ]
Vadivel, SK [1 ]
Sharfuddin, M [1 ]
Bhalerao, UT [1 ]
机构
[1] Indian Inst Chem Technol, Organ Div 1, Biotransformat Lab, Hyderabad 500007, Andhra Pradesh, India
关键词
D O I
10.1016/S0957-4166(97)00603-4
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Baker's yeast mediated reduction of alpha-azido-beta-keto ester lead to reduction of the carbonyl group with high enantiospecificity and diastereoselectivity at low pH (4.0, e.e. >99%, d.e. 79%). At pH similar to 7, although the enantioselectivity is maintained, the diastereoselectivity is lost. (C) 1997 Published by Elsevier Science Ltd. All rights reserved.
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页码:4003 / 4006
页数:4
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