Used as a key intermediate in the synthesis of pharmaceutical compounds, particularly in the development of bioactive molecules and drug candidates. Its structure allows for selective functionalization, making it valuable in constructing complex organic molecules. The BOC-protected amine group enables controlled deprotection during multi-step syntheses, while the carboxylic acid moiety can be readily coupled to amines or alcohols to form amides or esters. Commonly employed in medicinal chemistry for building blocks in protease inhibitors, receptor agonists, and other therapeutic agents. Also utilized in solid-phase synthesis and combinatorial chemistry due to its stability and reactivity profile.