Used as a chiral building block in the synthesis of pharmaceuticals, particularly in the development of fluorinated active pharmaceutical ingredients (APIs) where the trifluoromethyl group enhances metabolic stability and bioavailability. Its amine functionality allows for coupling reactions in asymmetric synthesis, making it valuable in the production of enantiomerically pure drugs. Commonly employed in the preparation of central nervous system agents and protease inhibitors. Also utilized in agrochemicals for creating stereoselective herbicides and insecticides due to its stability and reactivity profile.