Used as an intermediate in the synthesis of pharmaceutical compounds, particularly in the development of bioactive molecules and drug candidates. Its protected piperazine ring allows for selective functionalization, making it valuable in medicinal chemistry for constructing complex structures. The trifluoroethyl group enhances metabolic stability and lipophilicity, which can improve drug absorption and bioavailability. Commonly employed in the preparation of kinase inhibitors, CNS-active agents, and other therapeutic targets where piperazine scaffolds are required.