4-Allylphosphaisocoumarins can be prepared in good yield and with high regioselectivity by the reaction of o-ethynyl-phenylphosphonic acid monoesters with allyl bromide catalyzed by Cut. The present reaction represents the first example of a phosphonic acid monoester cyclized coupling reaction with alkyl halide.
4-烯丙基
磷杂
香豆素可以通过邻
乙炔基-
苯基膦酸单酯与烯丙基
溴的反应以高产率和高区域选择性制备,由Cut催化。本反应代表
膦酸单酯环化偶联反应与烷基卤的第一个实例。