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Synthesis of novel thiadiazoles and bis-thiadiazoles from carbonothioic dihydrazide
Journal article   Peer reviewed

Synthesis of novel thiadiazoles and bis-thiadiazoles from carbonothioic dihydrazide

Abdelwahed R. Sayed
Tetrahedron letters, Vol.51(34), pp.4490-4493
25/08/2010
DOI: https://doi.org/10.1016/j.tetlet.2010.06.060

Abstract

Bis-hydrazone Carbonothioic dihydrazide Hydrazonoyl halides Oxidative cyclization Thiadiazole
Efficient syntheses of 1,3,4-thiadiazoles and bis-thiadiazoles by the reaction of hydrazonoyl halides with carbonothioic dihydrazide are reported. In addition, 1,2,4-triazolo[3,4- b][1,3,4]thiadiazole is obtained via oxidative cyclization of bis-(substituted methylene)carbonothioic dihydrazone.

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