title: Chelate-Assisted Oxidative Coupling Reaction of Arylamides and Unactivated Alkenes: Mechanistic Evidence for Vinyl C-H Bond Activation Promoted by an Electrophilic Ruthenium-Hydride Catalyst.
abstract: The cationic ruthenium-hydride complex [(η(6)-C(6)H(6))(PCy(3))(CO)RuH](+)BF(4) (-) was found to be a highly regioselective catalyst for the oxidative C-H coupling reaction of aryl-substituted amides and unactivated alkenes to give ortho-alkenylamide products. The kinetic and spectroscopic analyses support a mechanism involving a rapid vinyl C-H activation followed by a rate-limiting C-C bond formation steps.
authors.affiliation: Department of Chemistry, Marquette University, Milwaukee, Wisconsin 53201-1881.
authors.forename: Ki-Hyeok
authors.initials: KH
authors.lastname: Kwon
authors.forename: Do W
authors.initials: DW
authors.lastname: Lee
authors.forename: Chae S
authors.initials: CS
authors.lastname: Yi