Heterocyclic Communications p. 387 - 392 (2007)
Update date:2022-08-03
Topics:
Xiaodong, Yang
Reaction of 2-amino-5-substitute-1,3,4-thiadiazoles with 5-methylisoxazoyl chloride and ammonium thiocyanate under the condition of solid-liquid phase-transfer catalysis using polyethylene glycol-600 (PEG-600) as the catalyst under ultrasonic irradiation yielded N-(5-substituted-1,3,4-thiadiazole-2-yl)- N'-(5-methylisoxazoyl)-thiourea derivatives 3a-1 in good-to-excellent yield. The chemical structure of all compounds was established by 1H NMR, FTIR, MS, and elemental analysis studies. Some of the compounds were investigated for fungicidal activity. The bioassay results indicated that some of these compounds exhibit moderate fungicidal activities.
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