The regio- and stereoselective arylation at the anomer center of 3,4,6-tri--acetyl-D-glucal (2) by means of bromomagnesium phenolates (1) allows direct preparation of 2',3'-unsaturated 1--aryl-α-D-glycosides (3).
在3,4,6-三-的端基异构体中心的区域选择性和立体选择性的芳基化
乙酰基d-己
烯糖(2由
溴化镁酚盐的方法)(1)允许的2'直接制备,3'-不饱和1- -芳基-α-D-糖苷(3)。