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Switchable and Selective Synthesis of Unsymmetrical N-Aryl Pyrazoles from 1,2,3-Thiadiazine S-Oxides
Herein, we report a new, highly selective copper-catalyzed synthesis of unsymmetrical N-aryl pyrazoles from 1,2,3-thiadiazine S-oxides (TDSOs) and diaryl iodonium electrophiles. The regiochemical outc...