Used as a key intermediate in the synthesis of pharmaceutical compounds, particularly in the development of protease inhibitors and other bioactive molecules. Its structure supports the construction of complex organic molecules with high stereoselectivity, making it valuable in medicinal chemistry for drug discovery. Commonly employed in the preparation of peptidomimetics due to the constrained pyrrolidine ring, which helps mimic peptide conformations while improving metabolic stability. Also utilized in solid-phase and solution-phase peptide synthesis where the Boc-protected amine allows for controlled deprotection and coupling steps.