Used as a chiral organocatalyst in asymmetric synthesis, particularly in enantioselective transformations such as aldol reactions, Michael additions, and Diels-Alder cyclizations. Its rigid, sterically hindered structure with a defined phosphine oxide center enables high stereocontrol, making it valuable in pharmaceutical and fine chemical synthesis where precise chirality is critical. The compound’s strong electron-withdrawing triflyl group enhances catalytic activity by increasing acidity and stabilizing transition states. It is especially effective in reactions requiring Brønsted acid or hydrogen-bond-donor catalysis.