描述了烯烃和炔烃的温和自由基氢化硅烷化的新方法。可以容易地大规模制备的甲硅烷基化环己二烯被用作自由基氢化硅烷化试剂。非活化烯烃和炔烃以高产率氢化硅烷化。该反应可以与 CC 键的形成相结合,如从相应的二烯制备甲硅烷基化环烷烃所证明的那样。此外,自由基氢化硅烷化与β-断裂反应相结合用于合成烯丙基硅烷和醛和酮的氢化硅烷化提供受保护的醇可以很容易地通过该策略进行。
描述了烯烃和炔烃的温和自由基氢化硅烷化的新方法。可以容易地大规模制备的甲硅烷基化环己二烯被用作自由基氢化硅烷化试剂。非活化烯烃和炔烃以高产率氢化硅烷化。该反应可以与 CC 键的形成相结合,如从相应的二烯制备甲硅烷基化环烷烃所证明的那样。此外,自由基氢化硅烷化与β-断裂反应相结合用于合成烯丙基硅烷和醛和酮的氢化硅烷化提供受保护的醇可以很容易地通过该策略进行。
[GRAPHICS]A new method for mild metal free hydrosilylation is described, Silylated cyclohexadienes are used as radical transfer hydrosilylating reagents for various double and triple bonds, A trialkylsilane is transferred from a cyclohexadiene moiety to an alkene. The hydrosilylation can be combined with a C-C bond formation as shown for the preparation of silylated cycloalkanes from the corresponding dienes.
Silylated Cyclohexadienes in Radical Chain Hydrosilylations
A new method for the mild radical hydrosilylation of alkenes and alkynes is described. Silylated cyclohexadienes that can be readily prepared on large scale are used as radical hydrosilylating reagents. Non-activated alkenes and alkynes are hydrosilylated in high yields. The reaction can be combined with CC bond formation, as demonstrated for the preparation of silylated cycloalkanes from the corresponding
描述了烯烃和炔烃的温和自由基氢化硅烷化的新方法。可以容易地大规模制备的甲硅烷基化环己二烯被用作自由基氢化硅烷化试剂。非活化烯烃和炔烃以高产率氢化硅烷化。该反应可以与 CC 键的形成相结合,如从相应的二烯制备甲硅烷基化环烷烃所证明的那样。此外,自由基氢化硅烷化与β-断裂反应相结合用于合成烯丙基硅烷和醛和酮的氢化硅烷化提供受保护的醇可以很容易地通过该策略进行。