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Synthesis and Antimicrobial Evaluation of Some New Pyrazolo[1,5-a]pyrimidine and Pyrazolo[1,5-c]triazine Derivatives Containing Sulfathiazole Moiety

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A number of important fused heterocyclic systems have been prepared by the reaction of 4-((3,5-diamino-1H-pyrazol-4-yl)-diazenyl)-N-(thiazol-2-yl)-benzenesulfonamide with some bifunctional nucleophiles such as ethyl acetoacetate, acetylacetone or arylidenemalo... ...