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Ruthenium(II) pyrazolyl-pyridyl-oxazolinyl complex catalysts for the asymmetric transfer hydrogenation of ketones. 2012

Wenjing Ye, and Miao Zhao, and Zhengkun Yu
Dalian Institute of Chemical Physics, Chinese Academy of Sciences (CAS), Dalian, Liaoning, PR China.

Lowering the ketone: Ru(II) complexes containing a chiral pyridyl-based 1H-pyrazolyl-oxazolinyl NNN ligand were synthesized and structurally characterized by X-ray crystallographic studies. These complex catalysts efficiently catalyzed the asymmetric transfer hydrogenation of ketones, reaching up to 99 % ee for the desired products.

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