The present invention relates to novel pro-drugs of L-2'-deoxythreose nucleoside phosphonates, such as phosphoramidate, phosphorodiamidate and phospho-diester prodrugs. The invention also relates to a process for preparing these novel prodrugs of nucleoside phosphonates. The invention also relates to the use of these novel phosphonatemodified nucleosides to treat or prevent viral infections and their use to manufacture a medicine to treat or prevent viral infections, particularly infections with viruses belonging to the HBV family.
本发明涉及
L-2'-去
氧核糖核苷
膦酸酯的新型前药,如
磷酰胺酯、
磷酰二胺
酯和
磷酰二
酯前药。该发明还涉及制备这些新型核苷
膦酸酯前药的方法。该发明还涉及使用这些新型
膦酸酯修饰的核苷来治疗或预防病毒感染,并将其用于制造用于治疗或预防病毒感染的药物,特别是治疗属于HBV家族病毒感染的药物。