Abstract
AbstractThe first example of carboxy group assisted, remote‐selective C(sp2)−H activation with a PdII catalyst has been developed and proceeds through a possible κ2 coordination of the carboxy group, thus suppressing the ortho‐C−H activation through κ1 coordination. Besides meta‐C−H olefination, direct meta‐arylation of hydrocinnamic acid derivatives with low‐cost aryl iodides has been achieved for the first time. These findings may motivate the exploration of novel reactivities of the carboxy assisted C−H activation reactions with intriguing selectivities.
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