European Journal of Medicinal Chemistry p. 453 - 462 (2016)
Update date:2022-08-29
Topics:
Da Costa, Laurène
Roche, Manon
Scheers, Els
Coluccia, Antonio
Neyts, Johan
Terme, Thierry
Leyssen, Pieter
Silvestri, Romano
Vanelle, Patrice
Human rhinoviruses (HRV) are the predominant cause of common colds and flu-like illnesses, but are also responsible for virus-induced exacerbations of asthma and chronic obstructive pulmonary disease. However, to date, no drug has been approved yet for clinical use. In this study, we present the results of the structure-based lead optimization of a class of new small-molecule inhibitors that we previously reported to bind into the pocket beneath the canyon of the VP1 protein. A small series of analogues that we designed based on the available structure and interaction data were synthesized and evaluated for their potency to inhibit the replication of HRV serotype 14. 2-(4,5-Dimethoxy-2-nitrophenyl)-1-(4-(pyridin-4-yl)phenyl)ethanol (3v) was found to be a potent inhibitor exhibiting micromolar activity (EC50 Combining double low line 3.4 ± 1.0 μM) with a toxicity for HeLa cells that was significantly lower than that of our previous hit (LPCRW-0005, CC50 Combining double low line 104.0 ± 22.2 μM; 3v, CC50 > 263 μM).
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