Highly Chemoselective Catalytic Hydrogenation of Unsaturated Ketones and Aldehydes to Unsaturated Alcohols Using Phosphine-Stabilized Copper(I) Hydride Complexes
作者:Jian-Xin Chen、John F. Daeuble、Donna M. Brestensky、Jeffrey M. Stryker
DOI:10.1016/s0040-4020(99)01098-4
日期:2000.4
phenyldimethylphosphine-stabilized copper(I) hydride complex provides for the highly chemoselective hydrogenation of unsaturated ketones and aldehydes to unsaturated alcohols, including the regioselective 1,2-reduction of α,β-unsaturated ketones and aldehydes to allylic alcohols. The active catalyst can be derived in situ by phosphine exchange using commercial [(Ph3P)CuH]6 or from the reaction of copper(I) chloride
由苯基二甲基膦稳定的氢化铜(I)配合物组成的贱金属氢化催化剂可将不饱和酮和醛高度化学选择性地氢化为不饱和醇,包括将α,β-不饱和酮和醛的区域选择性1,2-还原为烯丙醇。活性催化剂可以通过使用商业的[(Ph 3 P)CuH] 6进行膦交换而原位衍生,或者可以由氯化铜(I),叔丁醇钠和二甲基苯基膦在氢气下反应而得。衍生自1,1,1-三(二苯基膦基甲基)乙烷的催化剂在机械上令人关注,但在合成上却不太有用。