Perfluoroalkyl-Substituted Arylphosphanes as Ligands for Homogenous Catalysis in Supercritical Carbon Dioxide


  • This work was supported by the Max-Planck-Gesellschaft and the Gerhard-Hess-Programm of the Deutsche Forschungsgemeinschaft. We wish to thank Dr. K. Seevogel and M. Blumenthal (Mülheim and der Ruhr) for assistance with UV/Vis measurements. We also thank Degussa AG and Hoechst AG for generous loans of chemicals.

  • In memory of Sir Geoffrey Wilkinson


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The solubility of complexes is one decisive factor for their use as homogeneous catalysis in supercritical carbon dioxide (scCO2). Complexes with perfluoroalkyl-substituted arylphosphane ligands (shown schematically on the right), which can be prepared by a straightforward and variable synthetic methodology, exhibit high solubility in scCO2 in contrast to unsubstituted parent compounds.