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Bulletin of the Chemical Society of Ethiopia

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Heteropolyacides as green and reusable catalysts for the synthesis of [3,4-b][1,3,4] thiadiazines

F. Hakimi, A. Hassanabadi, M. Tabatabaee, M. M. Heravi

Abstract


Synthesis of [3,4-b][1,3,4]thiadiazines from the condensation of 4-amino-6-methyl-3-thioxo-1,2,4-triazine-5(2H)-one (AMTTO) or 4-amino-1,4-dihydro-5-methyle-1,2,4-triazole-5-thione (AMTT) with phenacyl bromide in the presence of a catalytic amount of various heteropolyacids (HPAs) under refluxing conditions is reported.

 

KEY WORDS: Heteropolyacids, Phenacyl bromide, Heterocyclization, Thiadiazines

 

Bull. Chem. Soc. Ethiop. 2014, 28(1), 67-71.

DOI: http://dx.doi.org/10.4314/bcse.v28i1.8




http://dx.doi.org/10.4314/bcse.v28i1.8
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