New 6-amino-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazines and [1,2,4]triazolo[3,4-b] [1,3,4]thiadiazin-6-ones: Synthesis, characterization and antibacterial activity evaluation

(4-X-Phenylsulfonyl)phenyl] containing 6-amino-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazines and [1,2,4]triazolo[3,4-b][1,3,4]thiadiazin-6-ones were synthesized by intermolecular condensation of 2-chloro-N-phenylacetamide, 2-chloroacetic acid, oxalylchloride and bromo-diethylmalonate with 4-amino-5-[4-(...

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