Used as a chiral intermediate in the synthesis of pharmaceuticals, particularly in the production of active pharmaceutical ingredients (APIs) where stereochemistry plays a critical role in biological activity. Its protected amine and free alcohol functional groups allow selective reactions in multi-step organic syntheses. Commonly employed in the development of central nervous system agents and enzyme inhibitors due to its structural compatibility with bioactive molecules. Also utilized in asymmetric synthesis to introduce chirality, enhancing the efficacy and specificity of drug candidates.