Used as an intermediate in peptide synthesis, particularly in the preparation of pharmaceutical compounds. It serves as a protected amino acid derivative, allowing selective coupling reactions without interference from reactive side groups. Commonly employed in the development of protease inhibitors and other biologically active molecules where precise control over stereochemistry and functional group compatibility is required. Its Boc-protected amine and carboxylic acid functionality make it ideal for solid-phase and solution-phase peptide assembly. Also utilized in medicinal chemistry for constructing complex organic molecules with high purity and yield.