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Rhodium(I) and rhodium(III)-heteropolyacids supported on MCM-41 for the catalytic hydroformylation of styrene derivatives

  • B. El Ali
  • , J. Tijani
  • , M. Fettouhi
  • , M. El-Faer
  • , A. Al-Arfaj

Research output: Contribution to journalArticlepeer-review

36 Scopus citations

Abstract

Rh supported catalysts were prepared by impregnating rhodium(I) and rhodium(III) complexes with and without heteropolyacids for the hydroformylation of styrene derivatives. The effect of the pore size of MCM-41 was considered. The addition of water showed a promoting effect with Rh(III) based catalysts. The amount of water showed also a big effect on the catalytic activity of the Rh(III) supported catalyst. The change of the temperature affects the selectivity of the reaction time of the reaction. Different heteropolyacids such as H3 PMo12O40·xH2O (HPA-Mo12) and H3PW12O40 ·yH2O (HPA-W12) were used as co-catalysts that were impregnated along with rhodium complexes on the inorganic supports. The results showed a clear effect of the heteropolyacid H3PW12O40·yH2O (HPA-W12) in increasing the catalytic activity of the rhodium supported catalyst.

Original languageEnglish
Pages (from-to)185-196
Number of pages12
JournalApplied Catalysis A: General
Volume283
Issue number1-2
DOIs
StatePublished - 8 Apr 2005

Bibliographical note

Funding Information:
We gratefully acknowledge King Abdulaziz City for Science and Technology (KACST-Saudi Arabia) for the financial support under the project KACST 18–15. We equally thank King Fahd University of Petroleum and Minerals (KFUPM-Saudi Arabia) for providing all support to this project.

Keywords

  • Clay
  • Heteropolyacid
  • Hydroformylation
  • MCM-41
  • Phosphine ligands
  • Rhodium
  • Styrene
  • Syngas
  • Zeolites

ASJC Scopus subject areas

  • Catalysis
  • Process Chemistry and Technology

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