The metathesis-facilitated synthesis of terminal ruthenium carbide complexes: a unique carbon atom transfer reaction |
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| Authors: | Carlson Robert G Gile Melanie A Heppert Joseph A Mason Mark H Powell Douglas R Velde David Vander Vilain Joseph M |
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| Affiliation: | The Department of Chemistry, 2010 Malott Hall, University of Kansas, Lawrence, Kansas 66045, USA. |
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| Abstract: | Ruthenium benzylidene metathesis catalysts react with 2,3-dicarbomethoxymethylene-cyclopropane, eliminating styrene and dimethyl fumarate, and producing the first terminal ruthenium carbide complexes. The products are diamagnetic, air-stable, and moderately soluble in hydrocarbon solvents. An X-ray study of Ru(C:)Cl2(P(C6H11)3) (1,3-dimesityl-4,5-dihydroimidazol-2-ylidene) shows a Ru-C distance of 1.650(2) A, consistent with the presence of a very short Ru-C triple bond. |
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