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- W2069368313 abstract "The interaction of [Ir(COD)Cl]2 with chiral tetradentate diaminodiphosphine ligands gave chiral diaminodiphosphine-Ir(I) complexes, which were characterized by IR, NMR and CD. The new chiral iridium(I) complex catalysts were applied to asymmetric transfer hydrogenation of various aromatic ketones using 2-propanol as a source of hydrogen. The results showed that the corresponding chiral alcohols could be obtained with high activity (up to 99.4% yield) and excellent enantioselectivities (up to 99.0% ee) under mild conditions. Propiophenone was a preferred substrate with respect to catalytic activity and enantioselectivity in the presence of base. The catalytic turnover reached 4780 mol product/mol iridium and the turnover frequency was as high as 1593 h−1 at 55°C." @default.
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- W2069368313 date "2004-08-01" @default.
- W2069368313 modified "2023-09-25" @default.
- W2069368313 title "A new efficient chiral iridium catalyst for asymmetric transfer hydrogenation of ketones" @default.
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- W2069368313 doi "https://doi.org/10.1016/j.molcata.2004.04.020" @default.
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