Abstract

An iron-mediated oxidative cyanation of tertiary amines with benzoyl cyanide and molecular oxygen or TBHP has been achieved. This reaction furnished α-cyanated tertiary amines under mild reaction conditions in good to excellent yields (up to 94%) with great diversity (19 examples). The cascade process involves an iron-catalyzed oxidation of tertiary amine. Our protocol features safety cyanation reagent, acid-free conditions, inexpensive iron catalyst, and aerobic oxidation.

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