Abstract
AbstractA one‐pot synthesis of 2‐imino‐1,3,4‐thiadiazolines was successfully achieved under mild conditions. The developed synthesis involves Fe(Pc)‐catalyzed aerobic oxidation of acylhydrazides followed by P(NMe2)3‐mediated annulation of the in situ generated N‐acyldiazene with isothiocyanates. The present annulation showed broad substrate scope with good functional group tolerance, and was effective on gram scale.
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