Novel Syntheses of Fluorenones via Nitrile-Directed Palladium-Catalyzed C–H and Dual C–H Bond Activation
作者:Jung-Chih Wan、Jun-Min Huang、Yu-Huei Jhan、Jen-Chieh Hsieh
DOI:10.1021/ol401063w
日期:2013.6.7
Novel procedures for the [Pd]/[Ag]/TFA system catalyzed cascade reactions of nitrile directed remote C-H and dual C-H bond activation with insertion of nitrile were developed, which afforded variously polysubstituted fluorenones in moderate to good yields with tolerance of a wide variety of substrates.