Used as an intermediate in the synthesis of pharmaceutical compounds, particularly in the development of protease inhibitors and antiviral agents. Its chiral structure makes it valuable for creating enantiomerically pure drugs, where precise stereochemistry is critical for biological activity. Commonly employed in medicinal chemistry for constructing complex nitrogen-containing heterocycles. Also utilized in research settings to develop enzyme inhibitors due to its ability to mimic transition states in peptide bond cleavage.