Used as a protected amine intermediate in the synthesis of pharmaceuticals, particularly in the development of bioactive compounds that require selective functionalization of amine groups. Its rigid bicyclic structure helps influence stereochemistry in drug molecules, making it valuable in medicinal chemistry for designing enzyme inhibitors or receptor agonists/antagonists. Commonly employed in peptide mimetics and CNS-targeted drugs where structural constraint enhances metabolic stability and target binding. The tert-butyloxycarbonyl (Boc) group allows for easy deprotection under mild acidic conditions, enabling efficient stepwise synthesis in complex molecule assembly.