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铑钴四核簇合物的合成表征及其对苯乙烯的氢甲酰化反应性能的研究

Synthesis of Rhodium and Cobalt Tetranuclear Clusters and its Catalytivity for Hydroformylation of Styrene
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摘要 The octahedral cluster complex Rh 2Co 2(CO) 10(μ 4, η2 -HC≡CFc) 1 reacts with PPh 3 to give the title cluster Rh 2Co 2(CO) 10-n(μ 4, η2-HC≡CFc)(PPh 3) n(2, n=1; 3, n=2, ). The structure of 3 has been determined by X-ray diffraction. At 60 ℃ and 1.8 MPa of initial total CO/H 2 (1∶1) pressure, the catalytic activity of 3 for hydroformylation of s tyrene has also been investigated. The conversion of the styrene is 98.1%, the selectivity of the aldehydes is 99%, the 3-phenylpropyl aldehyde(n)/2-phenylpropyl aldehyde( i) mole ratio of aldehyde to 1/17.4. The octahedral cluster complex Rh 2Co 2(CO) 10(μ 4, η2 -HC≡CFc) 1 reacts with PPh 3 to give the title cluster Rh 2Co 2(CO) 10-n(μ 4, η2-HC≡CFc)(PPh 3) n(2, n=1; 3, n=2, ). The structure of 3 has been determined by X-ray diffraction. At 60 ℃ and 1.8 MPa of initial total CO/H 2 (1∶1) pressure, the catalytic activity of 3 for hydroformylation of s tyrene has also been investigated. The conversion of the styrene is 98.1%, the selectivity of the aldehydes is 99%, the 3-phenylpropyl aldehyde(n)/2-phenylpropyl aldehyde( i) mole ratio of aldehyde to 1/17.4.
出处 《分子催化》 EI CAS CSCD 北大核心 2005年第1期61-64,共4页 Journal of Molecular Catalysis(China)
关键词 铑和钴 异核金属簇合物 单晶结构 氢甲酰化反应 Rhodium and cobalt Mixed-metal cluster Si ngle crystal structure Hydroformylation catalysis of stylene
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