3', 5' - CYCLIC NUCLEOSIDE ANALOGUES FOR TREATMENT OF HCV

摘要

This invention provides compounds according to formula (I) where B is a 6-membered monocyclic nitrogen-containing heteroaryl group or a 5 + 6 fused bicyclic nitrogen-containing heteroaryl group, and A is selected from Groups (1), (2), (3), and (4) where Groups (1), (2), (3), and (4), are defined herein. These compounds are useful in the treatment of Hepatitis C infection.