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A practical and highly para‐selective C−H difluoromethylation of aromatic ketones has been developed by employing tetrakis(triphenylphosphine)palladium(0) as the catalyst and triphenylphosphine as the ligand. In addition to general aromatic ketones, this transformation was compatible with bioactive compounds and well‐known drugs, such as oxybenzone, ketoprofen, zaltoprofen, and propafenone. Moreover,...
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