Provided herein are compounds, compositions and methods for the treatment of Flaviviridae infections, including HCV infections. In certain embodiments, compounds and compositions of nucleoside derivatives are disclosed, which can be administered either alone or in combination with other anti-viral agents. In certain embodiments, the compounds are 1′,4′-thio nucleoside compounds which display remarkable efficacy and bioavailability for the treatment of, for example, HCV infection in a human. In certain embodiments, the compounds are of Formula 3001:
or a pharmaceutically acceptable salt, solvate, stereoisomeric form, tautomeric form, or polymorphic form thereof; wherein Base, RA, RB, W, X, Y, and Z are as described herein.
本文提供了用于治疗黄病毒科感染(包括 HCV 感染)的化合物、组合物和方法。在某些实施方案中,公开了核苷衍
生物的化合物和组合物,它们既可以单独使用,也可以与其他抗病毒药物联合使用。在某些实施方案中,这些化合物是1′,4′-
硫代核苷化合物,在治疗例如人类HCV感染方面具有显著的疗效和
生物利用度。在某些实施方案中,化合物为式 3001:
或其药学上可接受的盐、溶液、立体异构体、同分异构体或多晶型;其中 Base、RA、RB、W、X、Y 和 Z 如本文所述。