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TBAI-Catalyzed Reaction between N-Tosylhydrazones and Sulfur: A Procedure toward 1,2,3-Thiadiazole

Jiangfei Chen, Yan Jiang, Jin-Tao Yu and Jiang Cheng*

*School of Petrochemical Engineering, Jiangsu Province Key Laboratory of Fine Petrochemical Engineering, Changzhou University, Changzhou 213164, P. R. China, Email: jiangchengcczu.edu.cn

J. Chen, Y. Jiang, J.-T. Yu, J. Cheng, J. Org. Chem., 2016, 81, 271-275.

DOI: 10.1021/acs.joc.5b02280 (free Supporting Information)


Abstract

A facile and practical TBAI-catalyzed reaction between N-tosyl hydrazones and sulfur provides 1,2,3-thiadiazoles in good yields under metal-free conditions. This procedure serves as an improvement for the Hurd-Mori reaction.

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Key Words

N-Heterocycles, S-Heterocycles, Potassium Peroxydisulfate


ID: J42-Y2016