Chelated Ruthenium Catalysts for Z-Selective Olefin Metathesis

Chelated Ruthenium Catalysts for Z-Selective Olefin Metathesis

We report the development of ruthenium-based metathesis catalysts with chelating N-heterocyclic carbene (NHC) ligands that catalyze highly Z-selective olefin metathesis. A very simple and convenient procedure for the synthesis of such catalysts has been developed. Intramolecular C–H bond activation...

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Veröffentlicht in:Journal of the American Chemical Society 2011-06, Vol.133 (22), p.8525-8527
Hauptverfasser: Endo, Koji, Grubbs, Robert H
Format: Artikel
Sprache:eng
Schlagworte:
Alkenes - chemistry
Catalysis
Chelating Agents - chemistry
Crystallography, X-Ray
Methane - analogs & derivatives
Methane - chemistry
Molecular Structure
Ruthenium - chemistry
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Zusammenfassung:We report the development of ruthenium-based metathesis catalysts with chelating N-heterocyclic carbene (NHC) ligands that catalyze highly Z-selective olefin metathesis. A very simple and convenient procedure for the synthesis of such catalysts has been developed. Intramolecular C–H bond activation of the NHC ligand, promoted by anion ligand substitution, forms the appropriate chelate for stereocontrolled olefin metathesis.
ISSN:0002-7863
1520-5126
DOI:10.1021/ja202818v