The need for an operationally straightforward application of radical chemistry has led researchers to explore practical strategies to obtain and trap radicals. Herein, we report a mechanoradical generation method by direct C–N bond breaking of aryldiazonium salts using NaCl as an activator. This method opens a new pathway to radicalreactions ranging from (hetero)arylation, cascade addition, and hydrogen
A visiblelight-induced transition metal-free benzylic C(sp3)−C(sp2) defluorinative coupling between indole derivatives and polyfluoroarenes via the sequential electron transfer-proton transfer (ET/PT) process has been developed, affording various polyfluorinated diarylmethanes. This protocol features mild conditions and good functional group tolerance.