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Ruthenium(II) complex catalysts bearing a pyridyl-supported pyrazolyl-imine ligand for transfer hydrogenation of ketones |
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| Authors: | Miao Zhao Zhengkun Yu Shenggang Yan |
| Affiliation: | a Department of Polymer Materials, College of Chemical Engineering, Dalian University of Technology, Dalian, Liaoning 116012, PR China b Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, Liaoning 116023, PR China c Electromechanics and Materials Engineering College, Dalian Maritime University, Dalian, Liaoning 116026, PR China |
| Abstract: | A new class of hemilabile unsymmetrical 2-(1-arylimino)-6-(pyzazol-1-yl)pyridine ligands and their ruthenium(II) and nickel(II) NNN complexes were synthesized. The Ru(II) complex catalysts have been fully characterized and exhibited good to excellent catalytic activity in the transfer hydrogenation (TH) of ketones in refluxing 2-propanol. These results have demonstrated rare examples of active ruthenium(II) NNN complex catalysts that do not feature a N-H functionality for TH of ketones. |
| Keywords: | Arylimino Pyrazolylpyridine Ruthenium Transfer hydrogenation Ketones |
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