Used as a key intermediate in the synthesis of pharmaceutical compounds, particularly in the development of protease inhibitors and other bioactive molecules. Its structure allows for selective functionalization, making it valuable in medicinal chemistry for building chiral, constrained ring systems that enhance metabolic stability and binding affinity. Commonly employed in solid-phase and solution-phase peptide synthesis due to the presence of orthogonal protecting groups. Also utilized in the preparation of cyclopentane-based scaffolds for drug discovery research targeting viral infections and central nervous system disorders.