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The Versatile Nature of the 6-Aminoquinolone Scaffold: Identification of Submicromolar Hepatitis C Virus NS5B Inhibitors
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2014 (English)In: Journal of Medicinal Chemistry, ISSN 0022-2623, E-ISSN 1520-4804, Vol. 57, no 5, 1952-1963 p.Article in journal (Refereed) Published
Abstract [en]

We have previously reported that the 6-aminoquinolone chemotype is a privileged scaffold to obtain antibacterial and antiviral agents. Herein we describe the design, synthesis, and enzymatic and cellular characterization of new 6-aminoquinolone derivatives as potent inhibitors of NS5B polymerase, an attractive and viable therapeutic target to develop safe anti-HCV agents. The 6-amino-7-[4-(2-pyridinyl)-1-piperazinyl]quinolone derivative 8 proved to be the best compound of this series, exhibiting an IC50 value of 0.069 mu M against NS5B polymerase and selective antiviral effect (EC50 = 3.03 mu M) coupled with the absence of any cytostatic effect (CC50 > 163 mu M; SI > 54) in Huh 9-13 cells carrying a HCV genotype 1b, as measured by MTS assay. These results indicate that the 6-aminoquinolone scaffold is worthy of further investigation in the context of NS5B-targeted HCV drug discovery programs.

Place, publisher, year, edition, pages
2014. Vol. 57, no 5, 1952-1963 p.
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Chemical Sciences
URN: urn:nbn:se:uu:diva-223527DOI: 10.1021/jm401362fISI: 000333005800024OAI: oai:DiVA.org:uu-223527DiVA: diva2:715059
Available from: 2014-04-30 Created: 2014-04-22 Last updated: 2014-04-30Bibliographically approved

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Danielson, U. Helena
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