Journal of Chemistry

Journal of Chemistry / 2012 / Article

Open Access

Volume 9 |Article ID 867637 | https://doi.org/10.1155/2012/867637

Navabeh Nami, Mehdi Forozani, Vida Khosravimoghadam, Rahmatallah Taherinasab, "Synthesis and Characterization of Mono- and Bicycle Heterocyclic Derivatives Containing 1, 2,4-Triazole, 1,3,4-Thiadiazine and 1,3-Thiazole Rings", Journal of Chemistry, vol. 9, Article ID 867637, 6 pages, 2012. https://doi.org/10.1155/2012/867637

Synthesis and Characterization of Mono- and Bicycle Heterocyclic Derivatives Containing 1, 2,4-Triazole, 1,3,4-Thiadiazine and 1,3-Thiazole Rings

Received13 Jun 2011
Accepted13 Aug 2011

Abstract

Reaction of tartaric acid with thiocarbohydrazide (2) and thiosemicarbazide (6) afforded 1,2-bis(4-amino-5-mercapto-4H-1,2,4-triazol-3-yl)-ethane-1,2-diol (3) and 1,2-bis(5-mercapto-4H-1,2,4-triazol-3-yl)-ethane-1,2-diol (7). Reaction of compounds 3 and 7 with DMAD (dimethylacety lendi carboxylate) and DEAD (diethylacetylendicarboxylate) gave 1,2-bis(7-[(z)-methoxycarbonylmethylen]-5,6-dihydro-5H-6-one-[1,2,4] riazolo[3,4-b] [1,3,4] thiadiazin-3-yl)-ethan-1,2-diol (4), 1,2-bis(7-[(z)-ethoxycarbonylmethylen] -5,6-dihydro -5H-6-one-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazin-3-yl)-ethan-1,2- diol (5) and 1,2-bis(6-[(z)-methoxycarbonylmethylen]-5-oxo-[1,3]thiazolo[2,3-c] [1,2,4]triazol-3-yl)-ethan-1,2-diol (8) in good yields.

Copyright © 2012 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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