carboxylic acid bearing three cyclohexylmethyl substituents at the α‐position, namely, tri(cyclohexylmethyl)acetic acid, is demonstrated to act as an efficient ligand source in Pd‐catalyzed intramolecular C(sp2)−H and C(sp3)−H arylation reactions. The reactions proceed smoothly under mild reaction conditions, even at room temperature due to the steric bulk of the carboxylate ligands, which accelerates the
在α-位置带有三个环己基甲基取代基的大分子
羧酸,即三(环己基甲基)
乙酸被证明是Pd催化的分子内C(sp 2)-H和C(sp 3)的有效
配体来源-H芳基化反应。由于
羧酸盐
配体的空间体积较大,即使在室温下,反应也可在温和的反应条件下顺利进行,这加快了催化循环中确定C H键活化步骤的速度。