1, 3-Cycloaddition of Cyclic Isothioureas to Heterocumulenes and Fungitoxicity of the Resulting 1, 2, 4-Triazolo[3, 4-c]-1, 2, 4-dithiazoles

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概要

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• Phenacylation of 5-aryl-3-mercapto-1, 2, 4-triazoles (I) furnished 5-aryl-3-phenacylthio-1, 2, 4-triazoles (II) which reacted with CS2 and aryl isothiocyanates to give 5-aryl-1, 2, 4-triazolo[3, 4-c]-1, 2, 4-dithiazole-3-thiones (III) and 5-aryl-3-arylimino-l, 2, 4-triazolo[3, 4-c]-1, 2, 4-dithiazoles (IV), respectively. (IV) on refluxing with CS2 yielded (III) which, when heated with aryl isothiocyanates, regenerated (IV). Compounds (II)-(IV) were compared with Dithane M-45 for their fungitoxicity against Helminthosporium oryzae and Fusarium oxysporium. The screening results have been correlated with the structural features of the tested compounds.

• 社団法人 日本農芸化学会の論文

著者

• SHARMA K.

  Department of Chemistry, Govt. Digvijai Autonomous P.G. College

• YADAV L.

  Department of Chemistry, University of Gorakhpur

• SINGH H.

  Department of Chemistry, University of Gorakhpur

• Singh H.

  Department of Chemistry, Aligarh Muslim University

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