Used as a chiral intermediate in the synthesis of pharmaceuticals, particularly in the production of active pharmaceutical ingredients (APIs) requiring high enantiomeric purity. Its protected nitrile and amine functionalities make it valuable in multi-step organic syntheses, especially for constructing pyrrolidine-based structures found in bioactive molecules. Commonly employed in the development of antiviral and central nervous system agents due to its ability to mimic natural amino acid derivatives while offering metabolic stability.