Palladium-Catalyzed Coupling of Polyfluorinated Arenes with Heteroarenes via C–F/C–H Activation
作者:Daohong Yu、Long Lu、Qilong Shen
DOI:10.1021/ol303567t
日期:2013.2.15
The first palladium-catalyzed coupling of 2-pyrldyl-polyfluoroarenes and benzoxazole, thiazole, benzothiazole, benzoimidazole, oxazole or oxadiazole via a concurrent C-F/C-H activation is described. Initial mechanistic studies showed that C-F activation of perfluoroarene is likely the rate-limiting step of the catalytic cycle. This protocol provides a useful and operationally simple process to functionalized polyfluoroarenes.