Helvetica Chimica Acta

Synthese von heterocyclen. V. 1, 3, 4??thiadiazol??2 (3 H)??one

H Kristinsson, T Winkler

文献索引：Kristinsson; Winkler Helvetica Chimica Acta, 1982 , vol. 65, # 8 p. 2606 - 2621

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被引用次数: 10

摘要

Abstract A new and highly versatile method for the synthesis of 1, 3, 4-thiadiazol-2 (3 H) ones 1 is described. Methoxy-1, 3, 4-thiadiazoles-5, which are readily available by condensation of O-methyl thiocarbazate (2) with acid derivatives 3, undergo an efficient