Reductive hydrobenzylation of terminal alkynes <i>via</i> photoredox and nickel dual catalysis
作者:Xian Zhao、Shengqing Zhu、Feng-Ling Qing、Lingling Chu
DOI:10.1039/d1cc03668h
日期:——
A photoredox/nickel dual catalyzed reductive hydrobenzylation of alkynes and benzyl chlorides by employing alkyl amines as a stoichiometric reductant is described. This synergistic protocol proceeds via Markovnikov-selective migratory insertion of an alkyne into nickel hydride, followed by cross-coupling with benzyl chloride, providing facile access to important 1,1-disubstituted olefins. This reaction
描述了使用烷基胺作为化学计量还原剂的炔烃和苄基氯的光氧化还原/镍双催化还原性加氢苄基化反应。该协同方案通过将炔烃选择性迁移插入氢化镍中,然后与苄基氯交叉偶联进行,从而轻松获得重要的 1,1-二取代烯烃。该反应通过利用容易获得的烷基胺作为氢源来生成氢化镍。温和的条件与范围广泛的芳烃和烷基炔烃以及氯化物相容。