REDOX GLYCOSIDATION - STEREOSELECTIVE SYNTHESES OF 1 -] 6 LINKED DISACCHARIDES VIA THIONOESTER INTERMEDIATES

被引:25
作者
BARRETT, AGM
LEE, AC
机构
[1] Department of Chemistry, Colorado State University, Fort Collins
关键词
D O I
10.1021/jo00036a012
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Perbenzyl derivatives of the disaccharides benzyl 6-O-(alpha(and beta)-D-glucopyranosyl)-alpha-D-galactopyranoside and benzyl 6-O-(alpha(and beta)-D-mannopyranosyl)-alpha-D-galactopyranoside were each prepared in a stereoselective manner by acylation, thionation, and reductive desulfurization. The use of 2,4-bis(4-phenoxyphenyl)-1,3,2,4-dithiadiphosphetane 2,4-disulfide (4b) as a mild thionation reagent for esters and lactones is also described.
引用
收藏
页码:2818 / 2824
页数:7
相关论文
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