Design, synthesis, and characterization of some new benzimidazole derivatives and biological evaluation

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A new series of benzimidazole derivatives (1‐15) containing 1,2,4‐triazole, 1,3,4‐thiadiazole, 1,3,4‐oxadiazole, and thiazolidinon rings have been synthesized. All new synthesized benzimidazole compounds were confirmed by 1H NMR, 13C NMR spectra, and LC‐MS, and they were examined for their antioxidant and antimicrobial activities. Compounds 7 and 1 showed the highest and the lowest antioxidant activities, respectively. The lowest minimum inhibition concentration value found in compound 5 against Enterobacter aerogenes.