Used as a key intermediate in the synthesis of pharmaceutical agents, particularly in the development of central nervous system (CNS) active compounds. Its structure supports the creation of potent bioactive molecules, especially in the design of antidepressants and antipsychotics. The electron-withdrawing trifluoromethyl group enhances metabolic stability and improves blood-brain barrier penetration, making it valuable in medicinal chemistry. Also employed in the preparation of selective enzyme inhibitors due to its rigid heterocyclic framework and favorable binding properties.