The full details of the original Ag-catalyzed domino oxidative cyclization reactions of unprotected 2-alkynylanilines with Oxone are described. The influences of several parameters including the substrate features, oxidant, reaction conditions,and catalyst on the reaction outcome were explored. A plausible mechanism is provided for the unusual silver-catalyzed oxidative cyclization reactions of 2-alkynylanilines to anthranils.
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