The versatile nature of the 6-aminoquinolone scaffold: identification of submicromolar hepatitis C virus NS5B inhibitors.

The versatile nature of the 6-aminoquinolone scaffold: identification of submicromolar hepatitis C virus NS5B inhibitors.
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DOI:
10.1021/jm401362f
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发表时间:
2014-03-13
影响因子:
7.3
通讯作者:
Cecchetti V
Cecchetti V
中科院分区:
医学1区
文献类型:
--
作者:
Manfroni G;Cannalire R;Barreca ML;Kaushik-Basu N;Leyssen P;Winquist J;Iraci N;Manvar D;Paeshuyse J;Guhamazumder R;Basu A;Sabatini S;Tabarrini O;Danielson UH;Neyts J;Cecchetti V

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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, 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 IC50 value of 0.069 µM against NS5B polymerase and selective antiviral effect (EC50 = 3.03 µM, EC90 =13.5 µM) coupled with the absence of any cytostatic effect (CC50 >163 µM, 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.
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