Pd-catalyzed electrophilic cross-coupling of pyridylphosphonium salts with arylthianthrenium salts to access C4-arylated pyridines.

We reported a palladium-catalyzed electrophilic cross-coupling between pyridylphosphonium and arylthianthrenium salts that enables site-selective formal C-H/C-H cross-coupling of arenes with pyridines, providing C4-arylated pyridines under mild condi…

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