Used as an intermediate in the synthesis of pharmaceutical compounds, particularly in the development of protease inhibitors. Shows relevance in antiviral drug research, especially for hepatitis C virus (HCV) treatment. The compound's structure allows for high selectivity and potency in targeting specific enzymes involved in viral replication. Its ester and sulfonamide functional groups enhance bioavailability and metabolic stability in drug formulations. Commonly employed in late-stage synthesis due to its chiral centers and functional group compatibility with peptide-like frameworks.