A simple metal free 2′-discriminated glucosidation proceduret
作者:Mugio Niahizawa、Yukiko Kan、Hidetoshi Yamada
DOI:10.1016/s0040-4039(00)80557-2
日期:1988.1
Stereoselective, Lewis acid-catalyzed glycosylation of alcohols by glucose 1,2-cyclic sulfites
作者:William J. Sanders、Laura L. Kiessling
DOI:10.1016/0040-4039(94)85307-x
日期:1994.10
alpha-D-Glucopyranose-1,2-cyclic sulfites (1a-c) have been prepared by reaction of a suitably protected glucose residue and thionyl diimidazole. Reaction of these compounds with alcohols in the presence of Yb(OTf)(3) or Ho(OTf)(3) stereoselectively affords beta-O-glycosides