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Highly Active Ruthenium(II) Complex Catalysts Bearing an Unsymmetrical NNN Ligand in the (Asymmetric) Transfer Hydrogenation of Ketones

Authors

  • Wenjing Ye,

    1. Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, Liaoning 116023 (China), Fax: (+86) 411-8437-9227
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    • These authors equally contributed to this paper.

  • Miao Zhao,

    1. Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, Liaoning 116023 (China), Fax: (+86) 411-8437-9227
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    • These authors equally contributed to this paper.

  • Wangming Du,

    1. Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, Liaoning 116023 (China), Fax: (+86) 411-8437-9227
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  • Quanbin Jiang,

    1. Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, Liaoning 116023 (China), Fax: (+86) 411-8437-9227
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  • Kaikai Wu,

    1. Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, Liaoning 116023 (China), Fax: (+86) 411-8437-9227
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  • Ping Wu,

    1. Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, Liaoning 116023 (China), Fax: (+86) 411-8437-9227
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  • Prof. Dr. Zhengkun Yu

    Corresponding author
    1. Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, Liaoning 116023 (China), Fax: (+86) 411-8437-9227
    2. State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, CAS, 354 Fenglin Road, Shanghai 200032 (China)
    • Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, Liaoning 116023 (China), Fax: (+86) 411-8437-9227
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Abstract

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Exceptionally active ruthenium(II) complexes without an ancillary N[BOND]H functionality, but bearing a (chiral) unsymmetrical pyridyl-benzimidazolyl-based NNN ligand, exhibited very high catalytic activity in the (asymmetric) transfer hydrogenation ((A)TH) of ketones. The corresponding Ru[BOND]H complex, which is presumably the catalytically active species, was successfully isolated and structurally characterized by X-ray crystallography.

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