Bispidine‐Based <i>S</i>,<i>N</i>‐Chiral Ligands for Palladium‐Catalyzed Asymmetric Arylation of Cyclic <i>N</i>‐Sulfonyl Ketimines
作者:Gonglin Li、Ruifeng Wang、Dong Ye、Maoping Pu、Xiaoming Feng、Lili Lin
DOI:10.1002/ejoc.202400008
日期:2024.3.11
and stable bispidine-based S,N-chiral ligand was designed, complexing with Pd, to efficiently promote the asymmetric addition of arylboric acids to cyclic N-sulfonyl ketimines. The structure determination of ligand and ligand/PdCl2 catalyst, together with DFT calculations, clarify the origin of enantioselectivity as well as the reason of alkyl group on ligand affecting the stereoselectivity significantly