"Controlled Radical Polymerisation of Vinyl Monomers Catalysed by Ruthenium N-Heterocyclic Carbene Complexes"

Sébastien Delfosse, Aurore Richel, Yannick Borguet, Lionel Delaude, Albert Demonceau, and Alfred F. Noels

journal cover 
          source: Polymer Preprints
                  (American Chemical Society,
                  Division of Polymer Chemistry)
            year: 2005
          volume: 46(2)
      first page: 191
       last page: 192

Abstract: As part of our program devoted to the development of new metal-NHC catalyst systems, we have launched a detailed investigation on the catalytic activity of ruthenium-p-cymene complexes bearing NHC ligands for the ring opening metathesis polymerization (ROMP) of cyclic olefins and for the ATRP of vinyl monomers. We report herein on the use for ATRP of [RuCl2(p-cymene)(NHC)] complexes generated in situ by combining the [RuCl2(p-cymene)]2 dimer with an imidazolium salt and a base such as potassium tert-butoxide, cesium carbonate or aluminum isopropoxide.

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