Visible-Light Mediated Metal-Free 6π-Photocyclization of N-Acrylamides: Thioxanthone Triplet Energy Transfer Enables the Synthesis of 3,4-Dihydroquinolin-2-ones
Palladium-Catalyzed Oxidative Arylalkylation of Activated Alkenes: Dual CH Bond Cleavage of an Arene and Acetonitrile
作者:Tao Wu、Xin Mu、Guosheng Liu
DOI:10.1002/anie.201104575
日期:2011.12.23
but two: The title reaction proceeds through the dual CHbondcleavage of both aniline and acetonitrile (see scheme). The reaction affords a variety of cyano‐bearing indolinones in excellent yield. Mechanistic studies demonstrate that this reaction involves a fast arylation of the olefin and a rate‐determining CH activation of the acetonitrile.
DMF-Promoted Redox-Neutral Ni-Catalyzed Intramolecular Hydroarylation of Alkene with Simple Arene
作者:Ke Lu、Xing-Wang Han、Wei-Wei Yao、Yu-Xin Luan、Yin-Xia Wang、Hao Chen、Xue-Tao Xu、Kun Zhang、Mengchun Ye
DOI:10.1021/acscatal.8b00554
日期:2018.5.4
A redox-neutral Ni-catalyzed intramolecular hydroarylation of alkene with simple arene has been developed, in which DMF played a proton shuttle role in facilitating the intramolecular coupling, avoiding the use of additional reductants and oxidants. A series of oxindoles with a quaternary center were obtained in up to 99% yield.