Rhodium-tris(3,5-bis(trifluoromethyl)phenyl)phosphine catalyzed hydroformylation of dienes to dialdehydes in supercritical carbon dioxide with high activity

Tetrahedron Letters

Volumn 45, Issue 6, 2004, Pages 1307-1310

  Fujita, Shin Ichiro ^a   Fujisawa, Shinya ^a   Bhanage, Bhalchandra M ^a,b   Arai, Masahiko ^a,b  

^a HOKKAIDO UNIVERSITY   (Japan)

^b JAPAN SCIENCE AND TECHNOLOGY AGENCY   (Japan)

Author keywords

Dialdehyde; Fluorinated phosphine; Hydroformylation; Rhodium; Supercritical carbon dioxide

Indexed keywords

CARBON DIOXIDE; PHOSPHINE DERIVATIVE; RHODIUM DERIVATIVE;

ARTICLE; CARBON UTILIZATION; CATALYSIS; CATALYST; HYDROFORMYLATION; LIGAND BINDING; REACTION ANALYSIS; SUPERCRITICAL FLUID;

EID: 0742287091     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.tetlet.2003.10.219     Document Type: Article

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22. 2.
23. 3k we carried out the reaction using this ligand separately.
24. In separate runs, it was confirmed that the reaction in toluene was carried out under the conditions where the stirring speed had no effect on the reaction results. Hence, the possibility that diffusion between gas-toluene phases is the rate-determining step for the overall reaction rate can be neglected.
25. Phase behaviour of the reaction mixture was investigated by naked eyes using a reactor attached with sapphire windows and recorded on a video recorder. It was found that the reaction mixture consisted of a homogeneous phase at the initial stage of the reaction.