2-Phenylpiperidine finds its application primarily in the field of medicinal chemistry and pharmacology. It serves as a key intermediate in the synthesis of various pharmaceutical compounds, particularly those targeting the central nervous system. Its structure is often utilized in the development of drugs that act on neurotransmitter systems, such as dopamine and serotonin, making it valuable in the creation of potential treatments for neurological and psychiatric disorders. Additionally, it is explored in the design of ligands for receptor studies, aiding in the understanding of biochemical pathways and drug-receptor interactions. Its versatility also extends to research in pain management and addiction therapy, where derivatives of 2-phenylpiperidine are investigated for their therapeutic potential.