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  • Title: Synthesis and antimicrobial activity of beta-[(2-benzimidazolyl)thio]-beta-benzoyl styrene derivatives.
    Author: Ersan S, Nacak S, Acar N, Ozden T.
    Journal: Arzneimittelforschung; 1997 Jun; 47(6):773-5. PubMed ID: 9239458.
    Abstract:
    In this study some new beta-[(2-benzimidazolyl)thio]-beta-benzoyl styrene derivatives have been synthesized by reacting 2-(phenacetylthio)benzimidazole and substituted benzaldehydes in piperidine/dry benzene. Structures were verified by microanalysis, IR and NMR spectral analysis. Antimicrobial activities of the compounds were investigated by the microdilution susceptibility test; Muller-Hinton Broth and Sabouraud Dextrose Broth were used for the determination of antibacterial and antifungal activity. Test organisms: Staphylococcus aureus ATCC 29213 and Enterococcus faecalis ATCC 29212 as Gram (+) bacteria, Escherichia coli ATCC 25922 and Pseudomonas aeruginosa ATTC 27853 as Gram (-) bacteria, and Candida albicans, Candida pseudotropicalis, Candida parapsilosis and Candida stellatoidea as yeast-like fungi. All the compounds showed good antimicrobial effect, especially against gram (+) bacteria. Among the compounds tested beta-[(2-benzimidazolyl)thio]-beta-benzoyl-4-chloro styrene (compound 9), beta-[(2-benzimidazolyl)thio]-beta-benzoyl-4-nitro styrene (compound 10) and beta-[(2-benzimidazolyl)thio]-beta-benzoyl-4-acetylamino styrene (compound 11) showed the most favorable activity.
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