May 28, 2004Journal of the American Chemical Society412 citations
View Full PaperDecomposition of a Key Intermediate in Ruthenium-Catalyzed Olefin Metathesis Reactions
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Abstract
Dinuclear ruthenium complex, with a bridging carbide and a hydride ligand, and methyltricyclohexylphosphonium chloride result from thermal decomposition of olefin metathesis catalyst, (IMesH2)(PCy3)(Cl)2Ru=CH2. Involvement of dissociated phosphine in the decomposition is proposed. The dinuclear complex has catalytic olefin isomerization activity, which can be responsible for competing isomerization processes in certain olefin metathesis reactions.