In the presence of catalytic amount of N-(4-methoxybenzyl)-2-cyanopyridinium hexafluoroantimonate, the reaction of a few epoxides with aldehydes, ketones, lactones, and carbonates efficiently afforded corresponding cyclic acetals, orthoesters, and Orthocarbonates under mild conditions.
在催化量的 N-(4-甲氧基苄基)-2-
氰基吡啶鎓六
氟锑酸盐存在下,一些
环氧化物与醛、酮、内酯和
碳酸盐的反应在温和的条件下有效地生成了相应的环醛、原酯和正
碳酸盐。