Used as a chiral auxiliary or intermediate in asymmetric synthesis, particularly in the development of enantiomerically pure pharmaceuticals. Its rigid morpholine backbone and stereocenters make it valuable for controlling stereochemistry during carbon–carbon bond-forming reactions. Commonly employed in the synthesis of bioactive molecules where precise spatial arrangement of atoms is critical, such as in protease inhibitors or central nervous system agents. The tert-butyl carbamate (Boc) group allows for easy protection and deprotection of nitrogen functionalities, enabling stepwise construction of complex organic structures. Widely applied in medicinal chemistry and process development for drug candidates requiring high enantiopurity.