Used as a key intermediate in the synthesis of pharmaceutical agents, particularly in the development of central nervous system (CNS) active compounds. It serves as a building block for dopaminergic and serotonergic ligands, which are important in treating neurological and psychiatric disorders such as depression, schizophrenia, and Parkinson’s disease. Its structure allows for selective modification to enhance receptor binding affinity and improve metabolic stability in drug candidates. Also employed in research settings to explore structure-activity relationships (SAR) in azepine-based bioactive molecules.