摘要:
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.
摘要:
This invention is directed to novel compounds of formula (I) having the structure (I) wherein U, V, W, Z, R1, X1, X2, and Y are defined herein. The compounds of formula (I) and pharmaceutical compositions containing these compounds are useful in the treatment of viral infections in mammals mediated, at least in part, by a virus in the Flaviviridae family of viruses, in particular hepatitis C virus (HCV).