Highly active nucleoside derivative for the treatment of HCV

摘要

A deuterated nucleoside analog of the formula and the pharmaceutically acceptable salts thereof are provided by this disclosure. The disclosure also includes pharmaceutical compositions comprising a compound or salt of the formula and a carrier. Compounds and salts of this formula are useful for treating viral infections, including HCV infections. A method for treating a host afflicted with hepatitis C or other disorders is also presented that includes administering an effective treatment amount of a nucleoside or nucleotide that has deuterium with at least 50% enrichment at the 5'-position of the nucleoside or nucleotide.