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Design and synthesis of 2-hydroxyl-4-methoxyl-3-(3-methylbut-2-en-1-yl)-6-(4-phenylbenzoylamino)benzoic acid derivatives as antibacterial agents based on cajaninstilbene acid scaffold hopping. | LitMetric

AI Article Synopsis

Article Abstract

The prevalence of multidrug resistance among clinically significant bacterial pathogens underlines a critical need for the development of new classes of antibacterial agents with novel structural scaffolds. Cajaninstilbene acid (CSA), which is isolated from pigeonpea leaves, has shown potent antibacterial activity. In this study, a series of 2-hydroxyl-4-methoxyl-3-(3-methylbut-2-en-1-yl)-6-(4-phenylbenzoylamino)benzoic acid derivatives derived from CSA were designed and synthesized, and their antibacterial activities were evaluated. Several synthesized compounds exhibit better antibacterial activity than CSA against Staphylococcus aureus, Staphylococcus epidermidis, and two strains of methicillin-resistant S. aureus. Meanwhile, the results of 3-[4,5-dimethylthiazol-2-yl]-2,5-diphenyl tetrazolium bromide assays illustrate the good selectivity between bacteria and normal cells of the most active compounds 6u and 6v. Furthermore, well combinations with bacterial RNA polymerase of 6u arising from docking study imply the possible mechanism of antibacterial activity of these synthetic compounds.

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http://dx.doi.org/10.1002/ddr.21556DOI Listing

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