Prof. Jian-Hua Xie, Xiao-Yan Liu, Xiao-Hui Yang, Jian-Bo Xie, Prof. Li-Xin Wang and Prof. Qi-Lin Zhou Chiral Iridium Catalysts Bearing Spiro Pyridine-Aminophosphine Ligands Enable Highly Efficient Asymmetric Hydrogenation of β-Aryl β-Ketoesters Angewandte Chemie International Edition 51
Tons of TONs: Chiral iridium catalysts bearing ligand 1 are highly efficient for the asymmetric hydrogenation of β-substituted β-ketoesters. The product β-hydroxyesters are delivered in high yield with excellent enantioselectivities and high turnover numbers (TONs). cod= 1,5-cyclooctadiene.
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