Syntheses of 4??(5??oxo??1, 2, 4??triazol??3??yl)??sydnones and 4??(4??arylamino??5??oxo??1, 2, 4??triazol??3??yl)??sydnones from Sydnone Derivatives and Their Fragments

WF Kuo, CY Lee, MY Yeh

Index: Kuo; Lee; Yeh Journal of the Chinese Chemical Society, 2000 , vol. 47, # 1 p. 227 - 240

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Citation Number: 3

Abstract

Abstract 4-(5-oxo-1, 2, 4-triazol-3-yl)-sydnones 11 and 4-(4-arylamino-5-oxo-1, 2, 4-triazol-3- yl)-sydnones 13 have been obtained from a-chloroformylarylhydrazine hydrochloride 2. Moreover, the intermediates, including 3, 4, 9 and 10, in this study are synthetically informative and valuable. It is also noteworthy that three reactants, 1, 2 and sydnonecarbaldehydes, were prepared from sydnone derivatives and their fragments. The ...