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 formation of constrained cyclic motifs that enhance binding selectivity and metabolic stability in drug candidates. Commonly employed in medicinal chemistry for structure-activity relationship (SAR) studies due to the presence of functional groups amenable to further derivatization. Also utilized in the preparation of enzyme inhibitors where stereochemistry plays a critical role in biological activity.