Used in pharmaceutical synthesis as a protected intermediate for active drug substances, particularly in the development of central nervous system agents and cognitive enhancers. Its spirocyclic structure and chiral centers make it valuable in constructing complex amines with high stereochemical purity. Commonly employed in medicinal chemistry for optimizing bioavailability and metabolic stability in lead compounds. Also utilized in the preparation of protease inhibitors and receptor modulators due to its conformational rigidity and favorable pharmacokinetic properties.