Used as a chiral ligand in asymmetric catalysis, particularly in enantioselective organic transformations such as cyclopropanation, aldol, and allylic alkylation reactions. Its rigid pyridine backbone and chiral oxazoline rings enhance stereocontrol, making it valuable in the synthesis of optically active pharmaceuticals and fine chemicals. Commonly coordinates with transition metals like copper or palladium to form highly selective catalysts. Preferred in reactions requiring high enantiomeric excess and reproducibility.