Used in pharmaceutical research as a key scaffold in the development of bioactive molecules, particularly in the synthesis of spirocyclic compounds with potential neurological activity. Its rigid spiro architecture enhances stereochemical stability, making it valuable in drug design for targeting central nervous system receptors. Also employed in studies related to apoptosis modulation and anticancer agent development due to its ability to mimic natural indole alkaloid structures. Commonly found in early-stage discovery programs focusing on kinase inhibitors and neurodegenerative disease therapeutics.