Used as a key intermediate in the synthesis of pharmaceutical compounds, particularly in the development of protease inhibitors. Its chiral structure and functional groups make it valuable for constructing complex molecules with high stereoselectivity. Commonly employed in the preparation of antiviral and anticancer agents, where precise spatial arrangement of atoms is critical for biological activity. The Boc-protected amine and carboxylic acid allow for selective coupling reactions, enabling stepwise assembly of peptide-like structures. Its difluoromethoxy group enhances metabolic stability and membrane permeability in final drug candidates.