D The present invention relates to ion pair catalysts (I) comprising the cationic bisguanidinium ligand (A) and diperoxomolybdate anion (B). The present invention also relates to ion pair catalysts (III) comprising the cationic bisguanidinium ligand (C) and peroxotungstate anion (D). It further relates to the use of the said catalysts in the manufacture of enantiomerically enriched sulfoxides.
本发明涉及离子对催化剂(I),包括阳离子双胍基
配体(A)和过氧
钼酸根离子(B)。本发明还涉及离子对催化剂(III),包括阳离子双胍基
配体(C)和过氧
钨酸根离子(D)。此外,本发明还涉及所述催化剂在合成对映富集亚砜中的应用。