SYNTHESIS OF ALIPHATIC O-DIMANNOSYL AMINO-ACID BUILDING-BLOCKS FOR SOLID-PHASE ASSEMBLY OF GLYCOPEPTIDE LIBRARIES

被引:30
|
作者
FRANZYK, H
MELDAL, M
PAULSEN, H
BOCK, K
机构
[1] CARLSBERG LAB, DEPT CHEM, DK-2500 VALBY, DENMARK
[2] HAMAMATSU UNIV SCH MED, INST ORGAN CHEM, D-20146 HAMBURG, GERMANY
关键词
D O I
10.1039/p19950002883
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The preparation of alpha(1,2)-, alpha(1,3)- and alpha(1,6)-linked mannose disaccharides is described. The protected alpha-D-Man(1-->3)-D-Man disaccharide was synthesized using the trichloroacetimidate method, while the Konigs-Knorr procedure was employed in the preparation of the 1-->2- and 1-->6-linked disaccharides. Glycosylation of N-alpha-Fmoc-Ser-OPfp, N-alpha-Fmoc-Thr-OPfp and N-alpha-Fmoc-Hyp-OPfp with the dimannosyl bromides afforded the activated building blacks, in moderate to high yield, for direct use in solid-phase synthesis of glycopeptide libraries.
引用
收藏
页码:2883 / 2898
页数:16
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