A Novel Class of Versatile Solvents for Two-Phase Catalysis: Hydrogenation, Isomerization, and Hydroformylation of Alkenes Catalyzed by Rhodium Complexes in Liquid 1,3-Dialkylimidazolium Salts


  • We thank Aurore Caimels for assistance.


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A significant extension of the field of two-phase catalysis is achieved through the use of ionic liquids such as 1. In this way substrates, complexes, and ligands that are poorly soluble or unstable in water can be employed for this industrially important variant of homogeneous catalysis.