Used as a chiral building block in the synthesis of pharmaceuticals, particularly in the development of active pharmaceutical ingredients (APIs) requiring high enantiomeric purity. Its protected amine and hydroxyl functionalities make it suitable for selective reactions in multi-step organic syntheses. Commonly employed in the preparation of bioactive molecules, including central nervous system agents and enzyme inhibitors. The morpholine ring enhances solubility and metabolic stability in drug candidates, improving pharmacokinetic properties. Also utilized in asymmetric synthesis due to its stereochemical integrity, enabling the formation of complex molecules with defined spatial configurations.