期刊
BIOORGANIC & MEDICINAL CHEMISTRY LETTERS
卷 29, 期 13, 页码 1614-1619出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.bmcl.2019.04.043
关键词
Antiviral; Benzoquinazolines; Cytopathic effect; Cytotoxicity; Molecular docking; 3C proteinase
资金
- Deanship of Scientific Research at King Saud University [RG-1435-068]
Synthesized 3-benzyl(phenethyl)benzo[g]quinazolines (1-17) were evaluated in vitro to determine their effects against the anti-hepatitis A virus (HAV) using a cytopathic effect inhibition assay. Of the synthesized compounds, 16 and 17 showed considerably high anti-HAV activity, as indicated by their EC50 values of 27.59 and 18 mu M, respectively, when compared to that of amantadine (37.3 mu M), the standard therapeutic agent. In addition, they exhibited low cytotoxicity as indicated by their CC50 values, 290.63 and 569.45 mu M, respectively. Compounds 1, 2, and 5 exhibited remarkable activity compared to the active compounds (16, 17) and amantadine. The selectivity index (SI) values were calculated and applied as a parameter for classifying the activity of the targets. In addition, molecular docking was performed to rationalize the SAR of the target compounds and analyze the binding modes between the docked-selected compounds and amino acid residues in the active site of the HAV-3C proteinase enzyme.
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