The phosphoramidate ProTide approach greatly enhances the activity of β-2′-C-methylguanosine against hepatitis C virus
作者:Christopher McGuigan、Plinio Perrone、Karolina Madela、Johan Neyts
DOI:10.1016/j.bmcl.2009.05.122
日期:2009.8
l-alanine phosphoramidate derivatives with variations to the amino acid ester. The 1-naphthyl phosphoramidate of β-2′-methylguanosine containing the benzyl ester (20) was the most active at 0.12 μM, an 84-fold of increase in activity compared to the parent nucleoside (2) with no increase of cytotoxicity. The carboxypeptidase mediated hydrolysis of several ProTides showed a predictive correlation with their
β-2'-C-甲基嘌呤(1,2)是已知的丙型肝炎病毒(HCV)的抑制剂。我们在此报告了其5'-磷酸氨基甲酸酯ProTides的合成,生物学和酶学评估。本文描述了七个具有氨基酸酯变化的1-丙氨酸氨基磷酸酯衍生物。含苄基酯(20)的β-2'-甲基鸟苷的1-萘基氨基磷酸酯活性最高,为0.12μM,与亲本核苷(2)相比,活性增加了84倍,而细胞毒性没有增加。羧肽酶介导的几种ProTide的水解显示其与复制子中HCV的活性之间的预测相关性。