Used as a key chiral intermediate in the synthesis of pharmaceuticals, particularly in the development of protease inhibitors and other biologically active compounds. Its structural features make it valuable in creating stereoselective drugs, where the specific spatial arrangement of atoms influences efficacy and safety. Commonly employed in research and development for central nervous system agents and anti-inflammatory compounds. Also utilized in peptide mimetics to enhance metabolic stability and bioavailability of peptide-based drugs.