Abstract
Electrochemical C(sp3) − H oxygenation of phenols derivatives were accomplished using H2O as the sole oxygen source. Thus, selectively oxidative 4-cresols to 4-acylphenols derivatives proved viable with the aid of indirect electrolysis, through metal- and external oxidant free environmental-friendly and safe electrocatalytic conditions. Advances of this strategy were proved by its ability to transform various sulfonamides with excellent site and regioselectivity. Detailed mechanistic studies allowed to delineate the exact profile of the generation of the oxygenation events.
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