Used as a key intermediate in the synthesis of pharmaceutical compounds, particularly in the development of protease inhibitors and other biologically active molecules. Its protected amine group allows for selective peptide coupling in solid-phase or solution-phase peptide synthesis. The fluorinated aromatic side chain enhances binding affinity and metabolic stability in drug candidates, making it valuable in medicinal chemistry for optimizing pharmacokinetic properties. Commonly employed in the preparation of enzyme inhibitors and receptor modulators targeting neurological and oncological disorders.