Used as a key intermediate in the synthesis of pharmaceutical compounds, particularly in the development of protease inhibitors and other biologically active molecules. Its structure supports the construction of complex organic frameworks, especially in peptidomimetic drugs where stereochemistry and ring conformation are critical. The Boc-protected azetidine ring enhances stability during multi-step syntheses and allows for selective deprotection to enable further functionalization. Commonly employed in medicinal chemistry for drug discovery programs targeting metabolic and infectious diseases.