(S)-3,3’-Bis(phenyl)-1,1’-bi-2-naphthol is widely used as a chiral ligand in asymmetric synthesis. It plays a crucial role in catalyzing enantioselective reactions, such as hydrogenation, alkylation, and Diels-Alder reactions, enabling the production of chiral compounds with high enantiomeric purity. This compound is particularly valuable in the pharmaceutical industry for synthesizing enantiomerically pure drugs, where the specific chirality can significantly impact the drug's efficacy and safety. Additionally, it is employed in the development of chiral catalysts and materials for organic electronics, contributing to advancements in optoelectronic devices and sensors. Its robust chiral framework also makes it useful in analytical chemistry for chiral separation techniques, aiding in the resolution of racemic mixtures.