2002•Acta Scientiarum Naturalium Universitatis SunyatseniRequires access

Direct Immobilization of Phosphine-Rhodium Complex on MCM-41 for Propene Hydroformylation

Cai, Yang, Li Li, Zhihua, Yiquan, Yuan, Youzhu

Abstract

MCM-41 molecular sieve supported Rh-PPh3 catalysts were prepared by the in-situ assembling of the metal complex from smaller moieties of Rh(acac)(CO)2 and ligand of PPh3. The resulted guest/host materials(Rh-PPh3/MCM-41) were characterized by X-ray powder diffraction, FTIR and 31P(1H) NMR, and served as catalysts for propene hydroformylation. The results showed negligible change in MCM-41 framework after propene hydroformylation at 393 K. Higher hydroformylation activities were obtained on Rh-PPh3/MCM-41 catalysts compared to that on Rh-PPh3/SiO2.

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Key concepts: Hydroformylation, Propene, Rhodium, Phosphine, Catalysis, Chemistry, Molecular sieve, Ligand (biochemistry)