Abstract
A new chiral tridentate ligand containing two phosphines and one pyridine is effective for Ru-catalyzed asymmetric hydrosilylation of simple ketones (47–66% ee). Ruthenium complexes with either chiral tridentate nitrogen ligands or chiral bidentate phosphorus ligands are either inactive or non-selective for asymmetric hydrosilylation. This work has set a foundation for the asymmetric catalytic reactions based on chiral mixed PN tridentate ligands.
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