Used as a chiral anion in asymmetric synthesis to induce enantioselectivity in various reactions. It is particularly effective in phase-transfer catalysis, enabling the separation of enantiomers in organic transformations. Applied in the synthesis of pharmaceuticals and fine chemicals where high enantiomeric purity is crucial. Also employed in the development of chiral sensors and analytical methods for distinguishing enantiomers. Its unique structure makes it valuable in supramolecular chemistry for host-guest interactions and molecular recognition studies.