Nickel complexes are found to be catalytically active in the cross-coupling reactions of allenic bromides with alkyl metals to give substituted allenes in excellent yields. The catalytic process proceeds generally with inversion of configuration in the allenyl moiety.
发现
镍络合物在烯丙基
溴与烷基
金属的交叉偶联反应中具有催化活性,从而以极高的收率得到取代的烯。催化过程通常在烯丙基部分的构型反转的情况下进行。