Used as a key intermediate in the synthesis of pharmaceutical agents, particularly in the development of neuroactive compounds and central nervous system (CNS) therapeutics. Its spirocyclic structure and chiral amine functionality make it valuable for constructing selective receptor modulators, including those targeting serotonin and dopamine pathways. Commonly employed in medicinal chemistry for structure-activity relationship (SAR) studies due to its rigid scaffold, which enhances metabolic stability and target selectivity. Also utilized in the preparation of protease inhibitors and cognitive enhancers.