Abstract
Abstract1,1′,1″‐(((1,3,5‐triazine‐2,4,6‐triyl)tris(oxy))tris(benzene‐4,1‐diyl))tris(ethan‐1‐one) 1 reacted with extra bromine to afford the corresponding 1,1′,1″‐(((1,3,5‐triazine‐2,4,6‐triyl)tris(oxy))tris(benzene‐4,1‐diyl))tris(2‐bromoethan‐1‐one) 2. Also, reaction of acetophenone derivatives 3 with 5‐amino‐1,3,4‐thiadiazole‐2‐thiol 4 give the 5‐((1‐arylethylidene)amino)‐1,3,4‐thiadiazole‐2‐thiol 5. Compounds 5a–h reacted with 2 in the presences of acetic acid to afford novel 1,1′,1″‐(((1,3,5‐triazine‐2,4,6‐triyl)tris(oxy))tris(benzene‐4,1‐diyl))tris(2‐((5‐((1‐arylethylidene)amino)‐1,3,4‐thiadiazol‐2‐yl)thio)ethan‐1‐one) derivatives 6a–h. Antimicrobial activities of the products were evaluated against five bacterial strains including Streptococcus pneumoniae, Staphylococcus aureus, Bacillus subtilis, Escherichia coli, and Serratia marcescens. The antimicrobial results indicated that products 6b, 6d, and 6h had excellent activities as compared to other synthesized products against a variety of bacterial strains. The compounds having Cl and NO2 substituents showed notable inhibition of bacterial growth almost near to Ciprofloxacin as standard.
Published Version
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