An efficient and highly β-stereoselective synthesis of glycosyl 1-O-acyl esters based on reaction of easily accessible glycosylthio-, seleno- and dithiophosphates 1-6 as glycosyl donors with carboxylic acids 7-13 as glycosyl acceptors in the presence of silver salts as activators is described.
基于易获得的糖基
硫、
硒和
二硫代磷酸酯(化合物1-6)作为糖基供体,与
羧酸(化合物7-13)作为糖基受体,在
银盐作为活化剂的存在下,高效且高度β-立体选择性地合成了糖基1-O-酰基酯。