Synthesis and anti-HCV activity of β-d-2′-deoxy-2′-α-chloro-2′-β-fluoro and β-d-2′-deoxy-2′-α-bromo-2′-β-fluoro nucleosides and their phosphoramidate prodrugs
作者:Reuben Ovadia、Ahmed Khalil、Hao Li、Coralie De Schutter、Seema Mengshetti、Shaoman Zhou、Leda Bassit、Steven J. Coats、Franck Amblard、Raymond F. Schinazi
DOI:10.1016/j.bmc.2019.01.005
日期:2019.2
We report herein the synthesis and evaluation of a series of β-d-2'-deoxy-2'-α-chloro-2'-β-fluoro and β-d-2'-deoxy-2'-α-bromo-2'-β-fluoro nucleosides along with their corresponding phosphoramidate prodrugs. Key intermediates, lactols 11 and 12, were obtained by a diastereoselective fluorination of protected 2-deoxy-2-chloro/bromo-ribonolactones 7 and 8. All synthesized nucleosides and prodrugs were evaluated
我们在此报告一系列β-d-2'-脱氧-2'-α-氯2'-β-氟和β-d-2'-脱氧2'-α-溴-的合成和评价2'-β-氟核苷及其相应的氨基磷酸酯前药。通过保护的2-脱氧-2-氯/溴-核糖内酯内酯7和8的非对映选择性氟化获得了关键中间体乳糖醇11和12。所有合成的核苷和前药均用丙型肝炎病毒(HCV)亚基因组复制子系统进行了评估。