Used as a chiral building block in the synthesis of pharmaceuticals, particularly in the development of β-amino acid derivatives and peptidomimetics. Its protected isoxazolidine ring serves as a scaffold for constructing complex molecules with defined stereochemistry. Commonly employed in medicinal chemistry for the preparation of enzyme inhibitors and bioactive compounds where stereocontrol is critical. The Boc-protected amine allows for selective deprotection and further functionalization in multi-step organic syntheses.