Design of a new series of chiral phosphite–olefin ligands and their application in asymmetric catalysis†
Abstract
A novel type of open-chain chiral chelating olefin bearing a simple monophosphite unit with a binaphthyl backbone was designed and synthesized, which could serve as an elegant chiral bidentate ligand in the rhodium-catalyzed asymmetric 1,2-additions of organoboron reagents to α-diketones and N-sulfonyl aldimines.
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