Abstract
O The interest to 3Н-furan-2—ones and their arylmethylidene derivatives is due to the structural features. The presence of several electrophilic sites, the reciprocal position of groups makes these compounds valuable substrates for the synthesis of versatile heterocyclic systems [1]. The goal of this study was obtaining substituted triazole structures by the reactions of 5-aryl-3Нfuran-2-ones and their 3-arylmethylidene derivatives with thiosemicarbazide under the conditions of basic catalysis. Reactions of 5-aryl-3Н-furan-2-ones Ia, Ib with thiosemicarbazide were carried out in ethanol solution in the presence of a catalytic quantity of triethylamine.
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