Cationic bis-N-heterocyclic carbene (NHC) ruthenium complex: Structure and application as latent catalyst in olefin metathesis

Mathieu Rouen, Pierre Queval, Laura Falivene, Jessica Allard, Loïc J. Toupet, Christophe Crévisy, Frédéric Caïjo, Olivier Baslé, Luigi Cavallo, Marc Mauduit

Research output: Contribution to journalArticlepeer-review

Abstract

An unexpected cationic bis-N-heterocyclic carbene (NHC) benzylidene ether based ruthenium complex (2 a) was prepared through the double incorporation of an unsymmetrical unsaturated N-heterocyclic carbene (U2-NHC) ligand that bore an N-substituted cyclododecyl side chain. The isolation and full characterization (including X-ray diffraction studies) of key synthetic intermediates along with theoretical calculations allowed us to understand the mechanism of the overall cationization process. Finally, the newly developed complex 2 a displayed interesting latent behavior during ring-closing metathesis, which could be "switched on" under acidic conditions.
Original languageEnglish (US)
Pages (from-to)13716-13721
Number of pages6
JournalChemistry - A European Journal
Volume20
Issue number42
DOIs
StatePublished - Sep 11 2014

ASJC Scopus subject areas

  • Chemistry(all)

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