Used as a key chiral intermediate in the synthesis of pharmaceutical agents, particularly in the development of protease inhibitors and other biologically active molecules. Its stereochemistry and functional groups allow for selective coupling reactions, making it valuable in constructing complex drug structures. Commonly employed in peptide synthesis and medicinal chemistry for introducing a 2,5-difluorophenylalanine moiety with high enantiomeric purity. Suitable for solid-phase and solution-phase synthesis strategies in drug discovery and process development.