Treatment of tri-O-acetyl-d-glucal 1 with various alcohols and phenols in the presence of InCl3/CH2Cl2 at ambient temperature gave the corresponding alkyl and aryl 2,3-unsaturated glycopyranosides in excellent yields with short reaction times and good anomeric selectivity.
在环境温度下,在InCl 3 / CH 2 Cl 2存在下,用各种醇和
酚处理三邻乙酰基-d-
葡糖醛1,以极佳的收率和较短的反应时间得到了相应的烷基和芳基2,3-不饱和糖
吡喃糖苷。和良好的异头选择性。