由明确的阳离子氢化钌配合物催化的芳基酮与环状烯烃的分子间脱水偶联反应：一种通过乙烯基C-H键活化的新型酮烯基化方法。
Intermolecular Dehydrative Coupling Reaction of Arylketones with Cyclic Alkenes Catalyzed by a Well-Defined Cationic Ruthenium-Hydride Complex: A Novel Ketone Olefination Method via Vinyl C-H Bond Activation.
作者信息
Yi Chae S, Lee Do W
机构信息
Department of Chemistry, Marquette University, Milwaukee, Wisconsin 53201-1881.
出版信息
Organometallics. 2010 Mar 19;29(8):1883-1885. doi: 10.1021/om100051h.
Abstract
The cationic ruthenium-hydride complex (eta(6)-C(6)H(6))(PCy(3))(CO)RuHBF(4) (-) was found to be a highly effective catalyst for the intermolecular olefination reaction of arylketones with cycloalkenes. The preliminary mechanistic analysis revealed that electrophilic ruthenium-vinyl complex is the key species for mediating both vinyl C-H bond activation and the dehydrative olefination steps of the coupling reaction.
摘要
阳离子氢化钌配合物(η(6)-C(6)H(6))(PCy(3))(CO)RuHBF(4) (-)被发现是芳基酮与环烯烃分子间烯化反应的高效催化剂。初步机理分析表明，亲电钌-乙烯基配合物是介导乙烯基C-H键活化和偶联反应脱水烯化步骤的关键物种。
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