Used as a key chiral intermediate in the synthesis of pharmaceuticals, particularly in the development of active pharmaceutical ingredients (APIs) that require high enantiomeric purity. Its protected amine functionality and stereochemistry make it valuable in constructing complex molecules, especially in the production of central nervous system agents, kinase inhibitors, and other bioactive compounds. Commonly employed in medicinal chemistry for structure-activity relationship (SAR) studies due to its stable configuration and ease of functionalization.