Bifunctional ligand enabled selective alkoxycarbonylation of aliphatic alkenes
作者:Zijun Huang、Yanan Dong、Xiaolin Jiang、Fang Wang、Chen-Xia Du、Yuehui Li
DOI:10.1016/j.jcat.2022.03.029
日期:2022.5
Carbazole derived phosphine ligands containing pyridine moiety were designed and prepared. It allows the challenging Pd-catalyzed Markovnikov-selective alkoxycarbonylation of aliphatic alkenes to give the branched ester products (28 examples; 51–97% branch selectivity). Preliminary mechanistic studies support that the bridging bromide between Pd and Mn centers is crucial for the enhancement of regioselectivity