Chemical and enzymatic synthesis of glycoconjugates 3: Synthesis of lactosamine by thermophilic galactosidase catalyzed galactosylation on a multigram scale

被引:25
作者
Fang, JW [1 ]
Xie, WH [1 ]
Li, J [1 ]
Wang, PG [1 ]
机构
[1] Wayne State Univ, Dept Chem, Detroit, MI 48202 USA
基金
美国国家卫生研究院;
关键词
D O I
10.1016/S0040-4039(97)10676-1
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
A library of thermophilic glycosidases was screened for lactosamine preparation from a transgalactosylation reaction between lactose and glucosamine hydrochloride. Two enzymes showed excellent regioselectivity toward glucosamine hydrochloride. The product could be synthesized on a multigram scale and was easily separated and purified by subsequently eluting through cation and anion exchange resin columns. (C) 1998 Elsevier Science Ltd. All rights reserved.
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页码:919 / 922
页数:4
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