Indirect <i>ortho</i> Functionalization of Substituted Toluenes through <i>ortho</i> Olefination of <i>N</i>,<i>N</i>-Dimethylbenzylamines Tuned by the Acidity of Reaction Conditions
作者:Guixin Cai、Ye Fu、Yizhou Li、Xiaobing Wan、Zhangjie Shi
DOI:10.1021/ja070588a
日期:2007.6.1
substituted N,N-dimethylbenzylamines was developed by tuning the acidity of reaction conditions based on analysis of their features. The ortho-functionalized N,N-dimethylbenzylamines were further transformed into 3-(2'-tolyl)propanoic acid and its derivatives under mild conditions. These two transformations could be combined into one pot, and 3-(2'-tolyl)propanoic acid and its derivatives were obtained in
Charge-controlled Pd catalysis enables the meta-C–H activation and olefination of arenes
作者:Arup Mondal、Marina Díaz-Ruiz、Fritz Deufel、Feliu Maseras、Manuel van Gemmeren
DOI:10.1016/j.chempr.2022.12.019
日期:2023.1
meta-selective activation and olefination of arenes to address these challenges in Pd catalysis. The charged moiety can easily be converted to uncharged simple arenes by hydrogenation or cross-coupling. In-depth mechanisticstudies prove that the charge is responsible for the observed selectivity. We expect our studies to be generalizable and thereby enable further regioselective transformations.