A process for the preparation of a protected phosphine oxide which comprises reacting a phosphinate ester having a protecting group on the phosphorus atom with an organomagnesium halide or an organolithium compound at a temperature of -70.degree. C. to 65.degree. C. Protected phosphine oxides so prepared are useful intermediates for the preparation of tertiary phosphine oxides and acylphosphine oxide photoinitiators.
一种制备保护膦
氧化物的方法,包括将在
磷原子上具有保护基的
磷酸酯与
有机镁卤化物或
有机锂化合物在-70℃至65℃的温度下反应。这样制备的保护膦
氧化物是制备三级膦
氧化物和酰基膦
氧化物光
引发剂的有用
中间体。