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Synthesis,Characterization and Thermal Chemical Properties of Rhodium-Phosphine Complexes for Hydroformylation of Alkenes

Weiping Liu

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Abstract

Carbonylhydridotris(triphenylphosphine)rhodium(Ⅰ)[HRh(CO)(PPh3)3],trans chlorocarbonylbis(triphenylphosphine)rhodium(Ⅰ) [trans-RhCl(CO)(PPh3)2] are widely used as the catalysts for hydroformylation of alkenes.In this paper,these two compounds were synthesized by improved methods and their yields were higher than that reported in the literatures.The chemical structures of these complexes were determined by elemental analysis,MS,IR and 1H-NMR.The thermal chemical properties were studied via TG-DTA.

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Carbonylhydridotris(triphenylphosphine)rhodium(Ⅰ)[HRh(CO)(PPh3)3],trans chlorocarbonylbis(triphenylphosphine)rhodium(Ⅰ) [trans-RhCl(CO)(PPh3)2] are widely used as the catalysts for hydroformylation of alkenes.In this paper,these two compounds were synthesized by improved methods and their yields were higher than that reported in the literatures.The chemical structures of these complexes were determined by elemental analysis,MS,IR and 1H-NMR.The thermal chemical properties were studied via TG-DTA.

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Available abstract

Carbonylhydridotris(triphenylphosphine)rhodium(Ⅰ)[HRh(CO)(PPh3)3],trans chlorocarbonylbis(triphenylphosphine)rhodium(Ⅰ) [trans-RhCl(CO)(PPh3)2] are widely used as the catalysts for hydroformylation of alkenes.In this paper,these two compounds were synthesized by improved methods and their yields were higher than that reported in the literatures.The chemical structures of these complexes were determined by elemental analysis,MS,IR and 1H-NMR.The thermal chemical properties were studied via TG-DTA.

Key concepts: Hydroformylation, Rhodium, Triphenylphosphine, Phosphine, Chemistry, Elemental analysis, Catalysis, Thermal analysis

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