Synthesis of oligosaccharide fragments of mannan from Candida albicans cell wall and their BSA conjugates

被引:33
作者
Karelin, A. A.
Tsvetkov, Yu. E.
Kogan, G.
Bystricky, S.
Nifantiev, N. E. [1 ]
机构
[1] Russian Acad Sci, Zelinskii Inst Organ Chem, Moscow 119991, Russia
[2] Slovak Acad Sci, Inst Chem, Bratislava 84238, Slovakia
基金
俄罗斯基础研究基金会;
关键词
Candida albicans; mannan; neoglycoconjugates; oligomannosides; synthesis;
D O I
10.1134/S106816200701013X
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
3-Aminopropyl glycosides of alpha-D-mannopyranosyl-(1 -> 2)-alpha-D-mannopyranosyl-(1 -> 2)-alpha-D-mannopyranosyl-(1 -> 2)-alpha-D-mannopyranose, alpha-D-mannopyranosyl-(1 -> 3)-alpha-D-mannopyranosyl-(1 -> 2)-alpha-D-mannopyranosyl-(1 -> 2)-alpha-D-mannopyranose, and alpha-D-mannopyranosyl-(1 -> 2)-[alpha-D-mannopyranosyl-(1 -> 3)]-alpha-D-mannopyranosyl-(1 -> 2)-alpha-D-mannopyranosyl-(1 -> 2)-alpha-D-mannopyranose were efficiently synthesized starting from ethyl 2-O-acetyl(benzoyl)-3,4,6-tri-O-benzyl-1-thio-alpha-D-mannopyranoside, ethyl 4,6-di-O-benzyl-2-O-benzoyl-1-thio-alpha-D-mannopyranoside, ethyl 4,6-di-O-benzyl-2,3-di-O-benzoyl-1-thio-alpha-D-mannopyranoside, and 2,3,4,6-tetra-O-benzoyl-alpha-D-mannopyranosyl bromide. The oligosaccharide chains synthesized correspond to the three structural types of side chains of mannan from Candida albicans cell wall. A conjugate of the third pentasaccharide with bovine serum albumin was prepared using the squarate method.
引用
收藏
页码:110 / 121
页数:12
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