Used as a chiral building block in the synthesis of pharmaceuticals, particularly in the development of active pharmaceutical ingredients (APIs) where stereochemistry plays a critical role. Its protected functional groups allow for selective reactions in multi-step organic syntheses. Commonly employed in medicinal chemistry for constructing peptidomimetics and heterocyclic compounds. The Boc-protected amine and carboxylic acid functionality enable coupling reactions, making it valuable in solid-phase and solution-phase peptide synthesis. Also utilized in the preparation of kinase inhibitors and other biologically active molecules requiring a constrained morpholine scaffold with defined stereochemistry.