Synthesis of arylaldehydes: Br2/DMSO catalytic system for the chemoselective oxidation of methylarenes

The oxidation of methylarenes to the corresponding arylaldehydes has been successfully achieved in the presence of a mild catalytic system (Br2/DMSO) under a simple operational and experimental procedure. The procedure is chemoselective on the toluene family of derivatives containing other alkyl groups and can be performed for a broad scope of methylarenes.

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