Used as an intermediate in pharmaceutical synthesis, particularly in the development of bioactive molecules and drug candidates. Its spirocyclic structure and protected amine functionalities make it valuable in medicinal chemistry for constructing complex amines and nitrogen-containing heterocycles. Commonly employed in the preparation of kinase inhibitors, CNS-active agents, and other therapeutic targets requiring rigid, three-dimensional scaffolds. The Boc-protected amine allows for selective deprotection and further functionalization in multi-step synthesis. Suitable for use in combinatorial chemistry and library generation due to its stability and reactivity profile.