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

Mathieu Rouen, Etienne Borré, Laura Falivene, Loïc J. Toupet, Mikaël Berthod, Luigi Cavallo, Hélène Olivier-Bourbigou, Marc Mauduit

Research output: Contribution to journalArticlepeer-review

30 Scopus citations

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. © 2014 the Partner Organisations.
Original languageEnglish (US)
Pages (from-to)7044-7049
Number of pages6
JournalDalton Transactions
Volume43
Issue number19
DOIs
StatePublished - 2014

Bibliographical note

KAUST Repository Item: Exported on 2020-10-01
Acknowledgements: This work was financed by the European Community through the seventh framework program (CP-FP 211468-2 EUMET, grant to MR, LF and EB). MM thanks the Agence Nationale de la Recherche (grant ANR-12-CD2I-0002 CFLOW-OM), Rennes Metropole and the Region-Bretagne for their financial support concerning the development of Ru-based complexes. Dr O. Basle and C. Crevisy are gratefully acknowledged for their helpful discussion.

ASJC Scopus subject areas

  • Inorganic Chemistry

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