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Synthesis of 1,3,4-thiadiazines, bis-1,3,4-thiadiazoles, [1,2,4]triazino[3,4-b][1,3,4]thiadiazine, thiazolines from carbonothioic dihydrazide
Journal article   Peer reviewed

Synthesis of 1,3,4-thiadiazines, bis-1,3,4-thiadiazoles, [1,2,4]triazino[3,4-b][1,3,4]thiadiazine, thiazolines from carbonothioic dihydrazide

Abdelwahed R. Sayed
Tetrahedron, Vol.68(13), pp.2784-2789
01/04/2012
DOI: https://doi.org/10.1016/j.tet.2012.02.011

Abstract

1,3,4-Thiadiazines 1,3,4-Thiadiazoles [1,2,4]triazino[3,4-b][1,3,4]thiadiazine Carbonothioic dihydrazide Hydrazonoyl halides Thiazolines
A novel and efficient synthesis of 1,3,4-thiadiazines, bis-1,3,4-thiadiazoles, [1,2,4]triazino[3,4-b][1,3,4]thiadiazine, and thiazolines is reported from the reaction of α-haloketo hydrazonoyl halides with carbonothioic dihydrazide or its analogues. The structures were elucidated on the basis of their elemental analysis, spectral data and an alternative synthetic route. [Display omitted]

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