The thiocyanato (-SCN) group was directly and regioselectively introduced into the α-position of ketones, aldehydes, and aldols in an electrophilic manner by the combined use of thiocyanatotrimethylsilane and sulfuryl chloride with or without cyclic sec-amine catalysts under mild reaction conditions.
硫氰酸根(-SCN)通过结合使用
硫氰基三甲基
硅烷和
氯化硫酰,在温和的反应条件下,直接且区域选择性地以电亲和的方式引入到酮、醛和
醇类的α位。可选使用或不使用环状二级胺催化剂。