Used as a key intermediate in the synthesis of pharmaceutical compounds, particularly in the development of bioactive molecules and drug candidates. Its spirocyclic structure and protected amine group make it valuable in medicinal chemistry for constructing complex heterocyclic systems. Commonly employed in the preparation of kinase inhibitors and central nervous system agents due to its favorable ring geometry and compatibility with various coupling reactions. The Boc-protected amine allows for selective deprotection and further functionalization, enabling efficient route design in multi-step syntheses.