Used as a chiral building block in the synthesis of pharmaceutical compounds, particularly in the development of protease inhibitors and other bioactive molecules. Its structural features, including the phenoxy substituent and the Fmoc-protected pyrrolidine core, make it valuable in solid-phase peptide synthesis and asymmetric synthesis. The compound enables controlled stereochemistry in drug design, improving selectivity and efficacy. Commonly employed in research settings for constructing complex molecules requiring high enantiomeric purity.