Used as a key intermediate in the synthesis of complex organic molecules, particularly in pharmaceuticals and peptide-based drugs. Its protected functional groups allow selective deprotection and coupling reactions, making it valuable in solid-phase peptide synthesis. Commonly employed in the preparation of protease inhibitors and other bioactive compounds where stereochemical control is critical. The benzyl and tert-butoxycarbonyl (Boc) protecting groups provide stability during multi-step syntheses and can be removed under mild conditions without affecting other sensitive parts of the molecule.