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I2-Catalyzed Indole Formation via Oxidative Cyclization of N-Aryl Enamines

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Abstract

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Cat.′s Is: An I2-catalyzed synthesis of indoles, taking advantage of intramolecular dehydrogenative coupling reactions of enamines, afforded a variety of multifunctionalized indole derivatives in good to excellent yields under transition-metal-free reaction conditions.

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