This compound is primarily utilized in the field of organic synthesis and medicinal chemistry as a key intermediate for the development of more complex molecules. Its structure, featuring a spirocyclic framework and a reactive alkyne group, makes it particularly valuable for click chemistry applications, where it can participate in copper-catalyzed azide-alkyne cycloaddition reactions. These reactions are widely employed in drug discovery, bioconjugation, and materials science for the efficient and selective formation of triazole linkages. Additionally, the tert-butyl ester group in the molecule provides a protective strategy for carboxylic acids, allowing for controlled deprotection during multi-step synthetic processes. Its versatility and reactivity make it a valuable building block in the design of novel pharmaceuticals and biologically active compounds.