Used as a key chiral intermediate in the synthesis of pharmaceuticals, particularly in the production of protease inhibitors such as antiviral agents. Its protected hydroxyl and carbamate functional groups allow selective reactions in multi-step organic syntheses. Commonly employed in the development of drugs targeting hepatitis C and other viral diseases due to its ability to mimic amino acid structures in peptide chains. The silyl protecting group enhances stability during synthesis and can be selectively removed under mild conditions, making it ideal for complex molecule assembly.