In vitro study demonstrates antibacterial and moderate antiviral activities of novel acridine derivatives against viral and bacterial pathogens, highlighting their therapeutic potential.
Some novel 3H-benzo[a]imidazo[4,5-j]acridines and 3H-benzo[a]pyrazolo[3,4-j]acridines were synthesized by the reaction of 1-alkyl-5-nitro-1H-benzoimidazoles and 1-alkyl-5-nitro-1H-indazoles with 1-naphthylacetonitrile in high yields. The structures of the new compounds were determined by spectral (FTIR, 1H, and 13C NMR) and analytical data. The antiviral activity of the synthesized compounds was tested against a panel of DNA and RNA viruses, including herpes simplex virus-1 KOS, vesicular stomatitis virus, herpes simplex virus-2 (G), vaccinia virus, and herpes simplex virus-1 TK-KOS ACVr. Most of the test compounds showed moderate activities in comparison with their corresponding reference standards. The synthesized compounds were also tested for antibacterial activity against a panel of strains of gram-negative and gram-positive bacterial species, and some of them we found as effective against gram- positive bacteria as well-known antibacterial agents, such as Cephalexin. The products we found to be cytostatic in the higher micromolar range.
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Faramarzi et al. (2020) studied this question.
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