TBAI-Catalyzed Reaction between <i>N</i>‑Tosylhydrazones and Sulfur: A Procedure toward 1,2,3-Thiadiazole

Abstract

A TBAI-catalyzed reaction between <i>N</i>-tosyl hydrazone and sulfur was developed, leading to 1,2,3-thiadiazoles in moderate to good yields. It represents a facile and practical procedure to access thiadiazole under metal-free conditions. This procedure serves as an improvement for the Hurd–Mori reaction