Zhao Gui-fang
2008
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Journal
Chemical Research and Application
Abstract
3-Substituded-4-amino-5-merecapto-1,2,4-thiazoles are synthesized rapidly in high yields under the condition of microwave irradiation from carboxylic acids and 1,3-dianimothiourea without solvent and catalyst.3-substituded-6-phenyl-1,2,4-triazolo[3,4,-b][1,3,4]thiadiaxoles are prepared by the reactions of 3-substituded-4-amino-5-merecapto-1,2,4-triazoles with benzoyl chloride in the absences of solvent and catalyst under microwave-enhanced condition.This method possess such advantages as short reaction time,environmentally benign procedures,easy purification and high yield.The structures of the products are confirmed by IR and 1H NMR spectra.