Used as a chiral catalyst in asymmetric synthesis, particularly in enantioselective coupling reactions. It facilitates the formation of carbon–carbon and carbon–heteroatom bonds with high enantioselectivity. Commonly applied in copper-catalyzed conjugate additions, allylic substitutions, and cyclopropanations where precise stereochemical control is required. The ligand environment enhances reactivity and selectivity, making it valuable in pharmaceutical and fine chemical synthesis for producing single-enantiomer compounds. Stable under inert conditions and effective at low catalyst loadings, it supports efficient and scalable transformations.