α-Arylation of Silyl Enol Ethers via Rhodium(III)-Catalyzed C–H Functionalization
作者:Xuezhen Kou、Kevin G. M. Kou
DOI:10.1021/acscatal.9b05622
日期:2020.3.6
Carbon–hydrogen (C–H) bond functionalization streamlines synthesis by increasing step- and atom-economies. This approach, catalyzed by Rh(III), is combined with the α-arylation of ketone-derived silyl enol ethers to achieve a direct cross-coupling event. The advancement of electron-rich alkenes as substrates is enabled through the use of a silver additive and complements existing C–H activation methods
Ruthenium-Catalyzed Oxidative C–H Bond Olefination of <i>N</i>-Methoxybenzamides Using an Oxidizing Directing Group
作者:Bin Li、Jianfeng Ma、Nuancheng Wang、Huiliang Feng、Shansheng Xu、Baiquan Wang
DOI:10.1021/ol2032575
日期:2012.2.3
Ruthenium-catalyzed oxidative C-H bond olefination of N-methoxybenzamides using an oxidizing directing group with a broad substrate scope is reported. The reactions of N-methoxybenzamides with acrylates in MeOH and styrene (or norbornadiene) in CF3CH2OH afforded two types of products.