"Homobimetallic Ethylene- and Vinylidene-Ruthenium Complexes for ATRP"

Yannick Borguet, Lionel Delaude, and Albert Demonceau

book cover 
           title: Progress in Controlled Radical Polymerization:
                  Mechanisms and Techniques
          series: ACS Symposium Series
         editors: Krysztof Matyjaszewski, Brent S. Sumerlin, Nicolay V. Tsarevsky
       publisher: American Chemical Society
            city: Washington, DC
            year: 2012
          volume: 1100
      first page: 115
       last page: 132
            isbn: 9780841226999 (Print) 9780841227002 (Online)
             doi: 10.1021/bk-2012-1100.ch008

Abstract: The catalytic activity of a series of homobimetallic ruthenium complexes of the type [(p-cymene)Ru(μ-Cl)3RuCl(L)(L')] [L = C2H4 or a vinylidene ligand (=C=CHR); L' = PPh3, PCy3, or an N-heterocyclic carbene ligand] was determined by investigating the atom transfer radical polymerisation of methyl methacrylate. The results clearly demonstrate that the ligands strongly affect the ability of the ruthenium complexes to favour the occurrence of a well-behaved ATRP.

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