The synthesis and crystal structure of oxo-centered carboxylate-bridge trinuclear ruthenium complex, Ru3O(CH3COO)6(py)2Cl (py = pyridine) (1), are reported herein. The complex 1 has been characterized by IR, cyclic v...The synthesis and crystal structure of oxo-centered carboxylate-bridge trinuclear ruthenium complex, Ru3O(CH3COO)6(py)2Cl (py = pyridine) (1), are reported herein. The complex 1 has been characterized by IR, cyclic voltammetry (CV), UV-Vis and X-ray crystal analysis. The complex 1 in 0.1 mol/L (n-C4H9)4NPF6-CH2Cl2 solution at room temperature shows four one- electron redox processes at E1/2 = -1.38, -1.20, -0.17 and 1.07 V vs. Ag/AgCl.展开更多
A novel dimeric complex [Ru3 (μ3-O)(μ-CH3COO)(CO)]2(μ-dppf)(μ-odppf)(dppf = 1, 1'-bis(diphenylphosphio)ferrocene, odppf = 1, 1'-bis(oxodiphenylphosphoranyl)ferrocene) (1) of oxo-centered triruthenium-aecta...A novel dimeric complex [Ru3 (μ3-O)(μ-CH3COO)(CO)]2(μ-dppf)(μ-odppf)(dppf = 1, 1'-bis(diphenylphosphio)ferrocene, odppf = 1, 1'-bis(oxodiphenylphosphoranyl)ferrocene) (1) of oxo-centered triruthenium-aectate cluster units was synthesized and characterized by X-ray crystallography. Compound 1 exhibits a cyclic structure formed by linkages of two triruthenium cluster units Ru3 (μ3-O)(μ-CH3COO)6(CO) through dppf and odppf ligands, respectively. The diameter of the molecular loop is ca. 1.0 nm.展开更多
Hydrous zirconia supported ruthenium catalyst Ru/ZrO2 xH2O, prepared by co-precipitating ruthenium trichloride and zirconium oxychloride with ammonia, was able to catalyze efficiently methyl propionate to propanol und...Hydrous zirconia supported ruthenium catalyst Ru/ZrO2 xH2O, prepared by co-precipitating ruthenium trichloride and zirconium oxychloride with ammonia, was able to catalyze efficiently methyl propionate to propanol under the mild conditions. In aqueous system, the propanol yield of 〉99% was achieved under the conditions of reaction temperature of 150 ℃ and hydrogen pressure of 5.0 MPa, while in non-aqueous system the maximum propanol yield was only 47.0%. FTIR spectra and hydrogenation results indicated that the high catalytic performance of Ru/ZrO2 xH2O in aqueous phase results from the cooperation effect between water as a solvent and hydroxyl groups on the surtace of carrier.展开更多
基金This work was financially supported by the National Natural Science Foundations of China(No.20171044 and 20273074)Chinese Academy of Sciences for"hundred talents".
文摘The synthesis and crystal structure of oxo-centered carboxylate-bridge trinuclear ruthenium complex, Ru3O(CH3COO)6(py)2Cl (py = pyridine) (1), are reported herein. The complex 1 has been characterized by IR, cyclic voltammetry (CV), UV-Vis and X-ray crystal analysis. The complex 1 in 0.1 mol/L (n-C4H9)4NPF6-CH2Cl2 solution at room temperature shows four one- electron redox processes at E1/2 = -1.38, -1.20, -0.17 and 1.07 V vs. Ag/AgCl.
基金This work was supported financially by the NNSF of China(No.20171044,20273074 and 20391001)NSF of Fujian Province(E03 10029).
文摘A novel dimeric complex [Ru3 (μ3-O)(μ-CH3COO)(CO)]2(μ-dppf)(μ-odppf)(dppf = 1, 1'-bis(diphenylphosphio)ferrocene, odppf = 1, 1'-bis(oxodiphenylphosphoranyl)ferrocene) (1) of oxo-centered triruthenium-aectate cluster units was synthesized and characterized by X-ray crystallography. Compound 1 exhibits a cyclic structure formed by linkages of two triruthenium cluster units Ru3 (μ3-O)(μ-CH3COO)6(CO) through dppf and odppf ligands, respectively. The diameter of the molecular loop is ca. 1.0 nm.
基金Project supported by the National Natural Science Foundation of China （No. 21072138）, Key Project of Chinese Ministry of Education （No. 307023）, the State Key Laboratory of Surface Science of Xiamen University, and the Innovation Foundation of Sichuan University.
文摘Hydrous zirconia supported ruthenium catalyst Ru/ZrO2 xH2O, prepared by co-precipitating ruthenium trichloride and zirconium oxychloride with ammonia, was able to catalyze efficiently methyl propionate to propanol under the mild conditions. In aqueous system, the propanol yield of 〉99% was achieved under the conditions of reaction temperature of 150 ℃ and hydrogen pressure of 5.0 MPa, while in non-aqueous system the maximum propanol yield was only 47.0%. FTIR spectra and hydrogenation results indicated that the high catalytic performance of Ru/ZrO2 xH2O in aqueous phase results from the cooperation effect between water as a solvent and hydroxyl groups on the surtace of carrier.
