Used as a chiral building block in the synthesis of pharmaceuticals, particularly in the development of bioactive molecules and drug candidates requiring stereochemical control. Its protected morpholine ring and carboxylic acid functionality make it valuable for peptide-like coupling reactions and the construction of heterocyclic compounds. Commonly employed in medicinal chemistry for structure-activity relationship (SAR) studies, especially in central nervous system agents and enzyme inhibitors. The Boc group allows for selective deprotection and further functionalization, enabling stepwise assembly of complex molecules.