Abstract
A series of 1,2,3-triazolyl nucleoside analogues bearing N-acetyl-D-glucosamine residue was synthesized by the copper-catalyzed alkyne-azide cycloaddition (CuAAC) reaction of N1-ω-alkynyl derivatives of uracil, 6-methyluracil, thymine and 3,4,6-tri-O-acetyl-2-deoxy-2-acetamido-β-D-glucopyranosyl azide. Antiviral assays revealed the lead compound 3f which showed both the same activity against the influenza virus A H1N1 (IC50=70.7 µM) as the antiviral drug Rimantadine in control (IC50=77 µM) and good activity against Coxsackievirus B3 (IC50=13.9 µM) which was one and a half times higher than the activity of the antiviral drug Pleconaril in control (IC50=21.6 µM). According to molecular docking simulations, the antiviral activity of the lead compound 3f against Coxsackie B3 virus can be explained by its binding to a key fragment of the capsid surface of this virus.
Published Version
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