Abstract

A facile and practical oxidative cyclization reaction of enamines to 2 H-azirines has been developed, employing molecular iodine. The features of the present synthetic approach include no use of transition metals, mild reaction conditions, and simplicity of operation. Under the optimal reaction conditions, a variety of 2 H-azirine derivatives were synthesized from simple and readily accessible enamine precursors in an efficient and scalable fashion.

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