Quality Control and Thermal Analysis Laboratory, Federal University of Grande Dourados, Dourados, State of Mato Grosso do Sul 79804-970, Brazil ...

N-substituted-5-(4-(5-chloro-1H-benzo[d]imidazole-2-yl) phenyl) 1,3,4-thiadiazole-2-amine (5a-5g): The appropriate thiosemicarbazide derivative was stirred in 10 ml of H2SO4 in an ice bath ... were ...