Used as a chiral building block in the synthesis of biologically active compounds, particularly in pharmaceutical development. Its structure contains both a protected amine and a carboxylic acid group, making it suitable for peptide-like coupling reactions. The presence of the trifluorophenyl moiety enhances binding selectivity and metabolic stability in drug candidates. Commonly employed in the preparation of protease inhibitors and other therapeutic agents where stereochemistry plays a critical role in activity. The Boc-protected amine allows for controlled deprotection and further functionalization in multi-step syntheses.