Used in medicinal chemistry as a key intermediate for synthesizing bioactive molecules, particularly in the development of pharmaceuticals targeting central nervous system disorders. Its spirocyclic structure and protected amine group make it valuable for constructing complex nitrogen-containing heterocycles. Commonly employed in the synthesis of receptor agonists and antagonists, especially in projects involving kinase inhibitors or GPCR modulators. The Boc-protected amine allows for selective deprotection and further functionalization, enabling efficient multi-step synthesis. Also utilized in the preparation of novel drug candidates due to its favorable steric and electronic properties that enhance metabolic stability and solubility.