Used as a chiral intermediate in the synthesis of pharmaceutical compounds, particularly in the development of active pharmaceutical ingredients (APIs) requiring high enantiomeric purity. Its structure allows for selective reactions in peptide-like chains, making it valuable in creating amino acid derivatives. Commonly employed in medicinal chemistry for building blocks in drug discovery, especially in protease inhibitors and receptor modulators. The Boc-protected amine group enables controlled deprotection during multi-step syntheses, ensuring compatibility with various reaction conditions.