Use of La(OTf)3 as a Lewis acid promoter for N-iodosuccinimide-mediated activation of thioglycosides is reported. The glycosylation reactions proceeded smoothly with good to excellent yields and stereoselectivity.
使用La(OTf)3作为
路易斯酸促使剂,报告了N-
碘代琥珀
酰亚胺介导的
硫糖苷活化。糖苷化反应顺利进行,产率良好至优异,立体选择性也很好。