Copper(I) bromide-promoted reactions of bromo[(diethoxyphosphoryl)difluoromethyl]zinc reagent 2 with propargylic tosylates and acetates were examined. The reaction proceeded in an SN2′ manner to give allenic (α,α-difluoromethylene)phosphonates in good to excellent yield.
铜(I)
溴化物促进的反应中,
溴[(二乙氧基
磷酸基)二
氟甲基]
锌试剂2与炔
丙基磺酸酯和
醋酸盐的反应被研究。反应以SN2'的方式进行,产生了优质至优秀产率的烯丙基(α,α-二
氟甲基)
磷酸盐。