Used as a chiral building block in the synthesis of pharmaceuticals, particularly in the development of protease inhibitors and other bioactive molecules. Its stereochemistry makes it valuable for constructing complex molecules with high enantiomeric purity. Commonly employed in medicinal chemistry for structure-activity relationship studies and as an intermediate in the preparation of drug candidates targeting central nervous system disorders and metabolic diseases. The Boc-protected amine and carboxylic acid functionality allow for straightforward coupling and deprotection steps in peptide-like synthesis.