THE SYNTHESIS OF 2-O-ALPHA-D-GALACTOPYRANOSYL-D-GALACTOPYRANOSE AND 2-O-(2-O-ALPHA-D-GALACTOPYRANOSYL-ALPHA-D-GALACTOPYRANOSYL)-D-GLUCOPYRANOSE UNDECA-ACETATE

被引：13
作者：
DOBOSZEWSKI, B
ZAMOJSKI, A
机构：
来源：
CARBOHYDRATE RESEARCH | 1984年 / 132卷 / 01期
关键词：
D O I：
10.1016/0008-6215(84)85061-2
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
The synthesis of 2-O-.alpha.-D-galactopyranosyl-D-galactopyranose was accomplished by condensation of 2,3,4,6-tetra-O-benzyl-.alpha.-D-galactopyranosyl chloride with 2,2,2-trichloroethyl 3,4,6-tri-O-benzyl-.alpha.-D-galactopyranoside in the presence of mercuric cyanide. The title trisaccharide undecaacetate was prepared by condensing 1,3,4,6-tetra-O-acetyl-2-O-(3,4,6-tri-O-acetyl-.alpha.-D-galactopyranosyl)-.alpha.-D-glucopyranose with 2,3,4,6-tetra-O-benzyl-.alpha.-D-galactopyranosyl chloride or bromide in the presence of various glycosidation catalysts, followed by debenzylation and acetylation.
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页码：29 / 38
页数：10
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