Used as a chiral building block in the synthesis of pharmaceutical intermediates, particularly in the development of protease inhibitors and peptide-based drugs. Its protected amine groups allow for selective reactions in multi-step organic syntheses. Commonly employed in the preparation of enzyme inhibitors targeting metabolic pathways in infectious diseases. Also utilized in the production of bioactive molecules requiring stereochemical control, due to its stable L-lysine-like structure with orthogonal protection.