Used as a key intermediate in the synthesis of pharmaceutical compounds, particularly in the development of biologically active molecules that target central nervous system disorders. Its strained cyclobutane ring and functional group arrangement make it valuable for constructing stereoselective drug candidates. Commonly employed in medicinal chemistry for structure-activity relationship (SAR) studies due to its conformational rigidity and ability to mimic peptide bonds. Also utilized in the preparation of enzyme inhibitors and receptor modulators where precise spatial orientation of substituents is critical for activity.