Used as a chiral intermediate in the synthesis of pharmaceuticals, particularly in the development of protease inhibitors and other bioactive molecules. Its protected functional groups allow selective reactions during peptide coupling and asymmetric synthesis. Commonly employed in multi-step organic syntheses where stereochemistry control is critical. The benzyl and Boc protecting groups enable orthogonal deprotection strategies, making it valuable in solid-phase and solution-phase peptide manufacturing. Also utilized in the preparation of enzyme inhibitors and targeted therapeutics involving amino acid analogs.