Indenylidene Ruthenium Complex Bearing a Sterically Demanding NHC Ligand: An Efficient Catalyst for Olefin Metathesis at Room Temperature

Hervé Clavier, César A. Urbina-Blanco and Steven P. Nolan*

*School of Chemistry, University of St Andrews, St Andrews KY16 9ST, U.K., Email: sn17st-andrews.ac.uk

H. Clavier, C. A. Urbino-Blanco, S. P. Nolan, Organometallics, 2009, 28, 2848-2854.

DOI: 10.1021/ol702759b

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Abstract

Reactivity studies with an indenylidene-containing ruthenium catalyst bearing the N-heterocyclic carbene (NHC) ligand 1,3-bis(2,6-diisopropylphenyl)-4,5-dihydroimidazol-2-ylidene (SIPr) using various substrates show the importance of the sterically demanding SIPr ligand on catalyst reaction profile.The novel catalyst was found very efficient at room temperature for nonsterically hindered substrates.

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Phosphabicyclononane-Containing Ru Complexes: Efficient Pre-Catalysts for Olefin Metathesis Reactions

F. Boeda, H. Clavier, M. Jordaan, W. H. Meyer, S. P. Nolan, J. Org. Chem., 2008, 73, 259-263.

Aminocarbonyl Group Containing Hoveyda-Grubbs-Type Complexes: Synthesis and Activity in Olefin Metathesis Transformations

D. Rix, F. Caijo, I. Laurent, F. Boeda, H. Clavier, S. P. Nolan, M. Mauduit, J. Org. Chem., 2008, 73, 4225-4228.

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Key Words

Ring Closing Metathesis, Enyne Metathesis

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ID: JXX-Y2009-0000