化学
硅烷化
卡宾
环戊二烯基络合物
烷基
甲苯
芳基
药物化学
催化作用
有机化学
作者
Hidetoshi Ohta,Narumi Miyoshi,Yoshihiro Sakata,Yuki Okamoto,Minoru Hayashi,Yutaka Watanabe
标识
DOI:10.1016/j.tetlet.2015.04.069
摘要
An air- and moisture-stable N-heterocyclic carbene Ni(II) complex bearing bis(cyclopentadienyl) ligands was found to be an effective precatalyst for the dehydrogenative silylation of alcohols with hydrosilanes. Various aryl and alkyl alcohols were silylated in the presence of the Ni catalyst (1–4 mol %) in toluene at 110 °C, giving the corresponding silyl ethers in 59–99% isolated yields. Time-course studies revealed that the reaction has an induction period, during which the Ni(II) complex would be reduced to catalytically active Ni(0) species.
科研通智能强力驱动
Strongly Powered by AbleSci AI