Used as an intermediate in the synthesis of pharmaceutical compounds, particularly in the development of active pharmaceutical ingredients (APIs) requiring chiral amine functionality. Its structure supports the construction of complex molecules in drug discovery, especially in central nervous system agents and kinase inhibitors. The tert-butyloxycarbonyl (Boc) protecting group allows for controlled deprotection during multi-step syntheses, making it valuable in solid-phase and solution-phase peptide-like assembly processes. Also employed in the preparation of bioactive heterocycles due to the morpholine ring’s favorable solubility and metabolic stability properties.