Abstract

Valuable fully substituted 1,2,4-triazoles are obtained via a gold-catalyzed three-component reaction involving ethyl diazoacetate, aryldiazonium salts, and nitriles. The reaction proceeds under mild conditions, is regioselective, and allows the introduction of mono- and di-substituted aryl rings at the ortho, meta, and para positions. Mechanistic evidence suggests the participation of Au(III) species as the active catalysts.

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