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首页> 外文期刊>Dalton transactions: An international journal of inorganic chemistry >Well-defined NHC-rhodium hydroxide complexes as alkene hydrosilylation and dehydrogenative silylation catalysts
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Well-defined NHC-rhodium hydroxide complexes as alkene hydrosilylation and dehydrogenative silylation catalysts

机译：定义明确的NHC-氢氧化铑络合物作为烯烃的氢化硅烷化和脱氢甲硅烷基化催化剂

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摘要

Alkene hydrosilylation and dehydrogenative silylation reactions, mediated by [Rh(cod)(NHC)(OH)] complexes (cod = 1,5-cyclooctadiene; NHC = N-heterocyclic carbene) are described. The study details a comparison of the catalytic activity and steric characteristics of four rhodium complexes bearing different NHC ligands. The novel [Rh(cod)(Ii-PrMe)(OH)] complex (Ii-PrMe = 1,3-diisopropyl-4,5-dimethylimidazol-2-ylidine) was designed to improve the reactivity of Rh(i)-hydroxides and proved to be a successful promoter of hydrosilylation and dehydrogenative silylation, displaying good stereo- and regiocontrol.
机译：描述了由[Rh（cod）（NHC）（OH）]配合物（cod = 1,5-环辛二烯; NHC = N-杂环卡宾）介导的烯烃氢化硅烷化和脱氢甲硅烷基化反应。这项研究详细比较了带有不同NHC配体的四种铑配合物的催化活性和空间特性。新型[Rh（cod）（Ii-PrMe）（OH）]配合物（Ii-PrMe = 1,3-二异丙基-4,5-二甲基咪唑-2-基吡啶）旨在提高Rh（i）-被证明是氢化硅烷化和脱氢甲硅烷基化的成功促进剂，表现出良好的立体控制和区域控制。

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