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Issue 19, 2014
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Cycloalkyl-based unsymmetrical unsaturated (U2)-NHC ligands: flexibility and dissymmetry in ruthenium-catalysed olefin metathesis

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Abstract

Air-stable Ru-indenylidene and Hoveyda-type complexes bearing new unsymmetrical unsaturated N-heterocyclic carbene (U2-NHC) ligands combining a mesityl unit and a flexible cycloalkyl moiety as N-substituents were synthesised. Structural features, chemical stabilities and catalytic profiles in olefin metathesis of this new library of cycloalkyl-based U2-NHC Ru complexes were studied and compared with their unsymmetrical saturated NHC-Ru homologues as well as a set of commercially available Ru-catalysts bearing either symmetrical SIMes or IMes NHC ligands.

Graphical abstract: Cycloalkyl-based unsymmetrical unsaturated (U2)-NHC ligands: flexibility and dissymmetry in ruthenium-catalysed olefin metathesis

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Supplementary files

Article information


Submitted
15 Jan 2014
Accepted
14 Feb 2014
First published
17 Feb 2014

Dalton Trans., 2014,43, 7044-7049
Article type
Paper
Author version available

Cycloalkyl-based unsymmetrical unsaturated (U2)-NHC ligands: flexibility and dissymmetry in ruthenium-catalysed olefin metathesis

M. Rouen, E. Borré, L. Falivene, L. Toupet, M. Berthod, L. Cavallo, H. Olivier-Bourbigou and M. Mauduit, Dalton Trans., 2014, 43, 7044
DOI: 10.1039/C4DT00142G

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