Tunable Reduction of Benzyl α , α ‐Difluorotriflones: Synthesis of Difluoroarenes and Sodium Aryldifluoromethyl Sufinates and their Applications

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We have developed facile methods for synthesizing difluoroarenes and sodium aryldifluoromethyl sulfinates (ArCF 2 SO 2 Na) via Pd/C‐H 2 and NaBH 4 reduction of readily available aryldifluoromethyltriflones in excellent yields under mild conditions. Furthermore, we demonstrated that the obtained sodium aryldifluoromethyl sulfinates are excellent aryldifluoromethyl radical precursors. We have used the sodium aryldifluoromethyl sulfinates successfully in photocatalyzed radical addition‐cyclizations and Minisci‐type reactions.