Used as a key intermediate in the synthesis of pharmaceutical agents, particularly in the development of biologically active pyrrolidine derivatives. Its structure supports stereoselective transformations, making it valuable in medicinal chemistry for constructing chiral building blocks. The presence of the trifluoromethylphenyl group enhances lipophilicity and metabolic stability, which is beneficial in drug design, especially for central nervous system (CNS) targeting compounds. It is also employed in research focused on structure-activity relationship (SAR) studies of pyrrolidine-based inhibitors and receptor modulators.