Herein, we report a novel approach to the acceleration of palladium catalyzed C-H activation reactions. We demonstrated that the utilization of electron deficient triaryl boranes as Lewis acidic co-catalyst of palladium enables the directed cross dehydrogenative coupling of aldehydes and anilides under mild reaction conditions. Study of the kinetic profile of the transformation reveals a unique, unexpectedly long induction period of the transformation.
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