"ATRP of Methyl Methacrylate Catalysed by Novel Homo- and Heterobimetallic Ruthenium Complexes"

Yannick Borguet, Sébastien Delfosse, Xavier Sauvage, Lionel Delaude, Albert Demonceau, Laurence Bareille, Pierre Le Gendre, and Claude Moïse

journal cover 
          source: Polymer Preprints
                  (American Chemical Society,
                  Division of Polymer Chemistry)
            year: 2008
          volume: 49(2)
      first page: 24
       last page: 25

Abstract: The catalytic activity of novel homo- and heterobimetallic ruthenium complexes was investigated in the ATRP of MMA. The reactivity of two homobimetallic ruthenium complexes bearing a N-heterocyclic carbene ligand has been compared to that of the related phosphine-based complex: the control was more effective with the latter catalyst. On the other hand, Ti-Ru heterobimetallic complexes, in which a titanocene fragment is connected to a RuCl2(p-cymene)(PCy2) fragment via an ethylene spacer also led to a well-behaved polymerisation process with a satisfactory control over the molecular weight distribution.

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