Investigation of the hydroformylation of ethylene in liquid carbon dioxide

Clement R. Yonker, John Linehan

Research output: Contribution to journalArticle

32 Citations (Scopus)

Abstract

In situ, high-pressure NMR was used to investigate the hydroformylation reaction of ethylene in liquid CO2 using Rh(CO)2acac as the catalyst precursor and (p-CF3C6H4)3P, tris(p-trifluoromethylphenyl)phosphine, as the ligand under different thermodynamic conditions (T = 10-23 C, PCO = PH2 = 10-15 bar, PC2H4 = 10-15 bar, PCO2 = 207 bar). 1H-NMR was used to monitor the reaction progress of the hydroformylation of ethylene with a rhodium catalyst under select conditions of temperature and CO2 solvent pressure. Potential resting states of the rhodium catalyst were investigated by 31P(1H)-NMR. This is the first description of a rhodium catalyzed hydroformylation reaction in liquid CO2 monitored in situ by high pressure NMR.

Original languageEnglish
Pages (from-to)249-257
Number of pages9
JournalJournal of Organometallic Chemistry
Volume650
Issue number1-2
DOIs
Publication statusPublished - May 1 2002

Fingerprint

Hydroformylation
Rhodium
Carbon Dioxide
carbon dioxide
Carbon dioxide
Ethylene
phosphine
ethylene
rhodium
Nuclear magnetic resonance
Pressure
nuclear magnetic resonance
Liquids
liquids
catalysts
Catalysts
Thermodynamics
Membrane Potentials
phosphines
Ligands

Keywords

  • Carbon dioxide
  • Ethylene
  • High presure NMR
  • Hydroformylation
  • Rhodium

ASJC Scopus subject areas

  • Biochemistry
  • Inorganic Chemistry
  • Organic Chemistry
  • Physical and Theoretical Chemistry
  • Materials Chemistry

Cite this

Investigation of the hydroformylation of ethylene in liquid carbon dioxide. / Yonker, Clement R.; Linehan, John.

In: Journal of Organometallic Chemistry, Vol. 650, No. 1-2, 01.05.2002, p. 249-257.

Research output: Contribution to journalArticle

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