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首页> 外文期刊>Journal of Medicinal Chemistry >Benzimidazole derivatives bearing substituted biphenyls as hepatitis C virus NS5B RNA-dependent RNA polymerase inhibitors: Structure-activity relationship studies and identification of a potent and highly selective inhibitor JTK-109
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Benzimidazole derivatives bearing substituted biphenyls as hepatitis C virus NS5B RNA-dependent RNA polymerase inhibitors: Structure-activity relationship studies and identification of a potent and highly selective inhibitor JTK-109

机译:带有取代联苯的苯并咪唑衍生物作为丙型肝炎病毒NS5B RNA依赖性RNA聚合酶抑制剂:结构与活性的关系研究以及强效和高度选择性抑制剂JTK-109的鉴定

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摘要

Following the discovery of a new series of benzimidazole derivatives bearing a diarylmethyl group as inhibitors of hepatitis C virus NS5B RNA-dependent RNA polymerase (HCV NS5B RdRp), 1,2 we extended the structure-activity relationship (SAR) study to analogues bearing a substituted biphenyl group and succeeded in a significant advancement of activity. Starting from compound 1, optimization of the A, B, and C rings afforded potent inhibitors with low nanomolar potency against genotype 1b NS5B. The compounds, which have a substituent with a carbonyl function at the 4-position of the B-ring, efficiently blocked subgenomic viral RNA replication in the replicon cell assay at low submicromolar concentrations. Among the new compounds, compound 10n (JTK-109) exhibited favorable pharmacokinetic profiles, high selectivity for NS5B, and good safety profiles, suggesting the potential for a clinical candidate in the treatment of hepatitis C.
机译:继发现一系列新的带有二芳基甲基的苯并咪唑衍生物作为丙型肝炎病毒NS5B RNA依赖性RNA聚合酶(HCV NS5B RdRp)的抑制剂后,1,2,我们将结构活性关系(SAR)研究扩展到了带有甲氧西林的类似物。取代联苯基团,并成功地大大提高了活性。从化合物1开始,对A,B和C环进行优化可提供对基因型1b NS5B具有低纳摩尔效价的强效抑制剂。这些化合物在B环的4位带有一个具有羰基官能团的取代基,可在复制子细胞测定中以低亚微摩尔浓度有效阻断亚基因组病毒RNA复制。在新化合物中,化合物10n(JTK-109)表现出良好的药代动力学特征,对NS5B的高选择性和良好的安全性特征,表明在治疗丙型肝炎方面具有临床潜力。

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