(S)тАЛ-тАЛ(+)тАЛ-тАЛPantolactone is a versatile cyclic ester reactant used in the preparation of tunable ligands carbohydrate-derived diarylphosphinites for asymetric catalysis hydrovinylation of styrene derivatives.
Park, H., RajanBabu, T.: J. Am. Chem. Soc., 124, 734 (2002);