Used as a chiral building block in the synthesis of pharmaceutical intermediates, particularly in the development of beta-amino acid derivatives and peptidomimetics. Its stereochemistry allows for selective reactions in asymmetric synthesis, making it valuable in creating active pharmaceutical ingredients (APIs) with high enantiomeric purity. Commonly employed in the preparation of protease inhibitors and other biologically active molecules where control of molecular configuration is critical. The Boc-protected amine and ester functionalities enable stepwise deprotection and coupling reactions, facilitating its incorporation into complex organic structures.