
Chinese Journal of Chemistry p. 1151 - 1155 (2018)
Update date:2022-08-17
Topics:
Ma, Xiaochen
Qiao, Lin
Liu, Guixia
Huang, Zheng
A series of chiral phosphine-amine-oxazoline (PAO) ligands with an NH moiety were synthesized and applied to the ruthenium-catalyzed asymmetric hydrogenation of N-phosphinylimines. The ligand bearing phenyl groups at the phosphorus moiety and isopropyl at the oxazoline moiety exhibits good activity and excellent enantioselectivity (up to 99% ee). This catalytic system provides an efficient and mild approach to access enantioriched amines.
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