Used as a key intermediate in the synthesis of pharmaceutical agents, particularly in the development of kinase inhibitors and central nervous system (CNS) active compounds. Its structure allows for functionalization at both the piperidine nitrogen and the benzonitrile moiety, making it valuable in medicinal chemistry for creating drug candidates targeting neurological disorders and certain cancers. Commonly employed in the preparation of selective serotonin reuptake inhibitors (SSRIs) and related antidepressants due to its ability to mimic bioactive scaffolds. Also utilized in the construction of receptor antagonists and enzyme inhibitors where a rigid aromatic group linked to a basic nitrogen center is required for activity.