This invention is directed to phosphoroamidate and phosphorodiamidate derivatives including the compounds of formula (I) having the structure
wherein U, V, W, Z, R1, X1, X2, and Y are defined herein. These compounds and pharmaceutical compositions containing these compounds are useful in the treatment of viral infections in mammals infected by a virus in the Flaviviridae family of viruses, in particular hepatitis C virus (HCV). The compounds of this invention may be prepared by various methods known in the art of organic chemistry in general and nucleoside and nucleotide analog synthesis in particular.
本发明涉及
磷酰胺酸和
磷酸二胺酸衍
生物,包括具有结构式(I)的化合物,其中U、V、W、Z、R1、X1、X2和Y在此被定义。这些化合物和含有这些化合物的制药组合物对于治疗哺乳动物中被黄病毒科病毒感染,特别是丙型肝炎病毒(HCV)感染,是有用的。本发明的化合物可以通过一般有机
化学和核苷酸类似物合成领域中已知的各种方法制备。