Used as an intermediate in the synthesis of pharmaceutical compounds, particularly in the development of bioactive molecules and drug candidates. Its spirocyclic structure and azide functional group make it valuable in click chemistry reactions, such as azide-alkyne cycloadditions to form triazoles, enabling efficient conjugation and molecular labeling in medicinal chemistry research and biological systems. The tert-butyl-protected carboxylate allows for precise control in multi-step syntheses, with facile deprotection under mild acidic conditions. Commonly employed in the preparation of heterocyclic compounds with potential neurological or receptor-targeted activity. Also utilized in the exploration of new chemical entities requiring rigid, three-dimensional scaffolds to enhance selectivity and metabolic stability.