反应详情

107 g of trimethylchlorosilane are added to a solution of 151 g of diethoxymethyl(cyclohexylmethyl)-phosphinic acid ethyl ester in 430 ml of dichloromethane that contains 10% by volume ethanol and the mixture is left to stand for 3 days at room temperature, then concentrated to dryness by evaporation and distilled under reduced pressure, yielding cyclohexylmethylphosphinic acid ethyl ester having a boiling point of 50° (3×10-4 bar).

1. waitthe mixture is left
2. concentrationconcentrated to dryness by evaporation
3. distillationdistilled under reduced pressure