Substituent Effect on the Catalytic Activity of Ruthenium(II) Complexes Bearing a Pyridyl-Supported Pyrazolyl-Imidazolyl Ligand for Transfer Hydrogenation of Ketones
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https://figshare.com/articles/dataset/Substituent_Effect_on_the_Catalytic_Activity_of_Ruthenium_II_Complexes_Bearing_a_Pyridyl_Supported_Pyrazolyl_Imidazolyl_Ligand_for_Transfer_Hydrogenation_of_Ketones/2111284
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资源简介：
Air- and moisture-stable ruthenium(II)
complexes bearing a multisubstituted
pyrazolyl-imidazolyl-pyridine ligand were synthesized and structurally
characterized by NMR and X-ray single-crystal crystallographic analyses.
The substituents on the imidazolyl moiety of the NNN ligand exhibited
a remarkable impact on the catalytic activity of the corresponding
Ru(II) complexes for transfer hydrogenation of ketones in refluxing
2-propanol, following the order NHTs > Me > H > NO2, to
tune the catalytic activity. The highest final TOF value of 345 600
h–1 was reached by means of 0.05 mol % of the Ru(II)-NHTs-substituted
NNN complex as the catalyst. The corresponding structurally confirmed
RuH complexes are proposed as the catalytically active species.
创建时间：
2016-02-12
