"Mono- and Bimetallic Ruthenium-Arene Catalysts for Olefin Metathesis: A Survey"

Yannick Borguet, Xavier Sauvage, Albert Demonceau, and Lionel Delaude

book cover 
           title: Green Metathesis Chemistry
                  Great Challenges in Synthesis, Catalysis and Nanotechnology
          series: NATO Science for Peace and Security
                  Series A: Chemistry and Biology
         editors: Valerian Dragutan, Albert Demonceau,
                  Ileana Dragutan, Eugene Sh. Finkelshtein
       publisher: Springer
            city: Dordrecht
            year: 2010
      first page: 89
       last page: 100
            isbn: 978-90-481-3431-1 (Print) 978-90-481-3433-5 (Online)
             doi: 10.1007/978-90-481-3433-5_8

Abstract: In this chapter, we summarize the main achievements of our group toward the development of easily accessible, highly efficient ruthenium-arene catalyst precursors for olefin metathesis. Major advances in this field are presented chronologically, with an emphasis on catalyst design and mechanistic details. The first part of this survey focuses on monometallic complexes with the general formula RuCl2(p-cymene)(L), where L is a phosphine or N-heterocyclic carbene ancillary ligand. In the second part, we disclose recent developments in the synthesis and catalytic applications of homobimetallic ruthenium-arene complexes of generic formula (p-cymene)Ru(μ-Cl)3RuCl(η2-C2H4)(L) and their derivatives resulting from the substitution of the labile ethylene moiety with vinylidene, allenylidene, or indenylidene units.

b>Keywords: Allenylidene Ligand, Homogeneous Catalysis, Indenylidene Ligand, N-Heterocyclic Carbene, Phosphine Ligand, Vinylidene Ligand

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