A Carbocyclic Carbene as an Efficient Catalyst Ligand for CC Coupling Reactions

A Carbocyclic Carbene as an Efficient Catalyst Ligand for CC Coupling Reactions

A new player on the field: Carbocyclic carbenes are potentially better control ligands than N‐heterocyclic carbenes (NHCs) in catalyzed CC coupling reactions. PdII complexes of cycloheptatrienylidene (see picture), which are readily prepared, thermally stable, and highly stable towards acid, are as...

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Veröffentlicht in:Angewandte Chemie International Edition 2006-06, Vol.45 (23), p.3859-3862
Hauptverfasser: Herrmann, Wolfgang A., Öfele, Karl, Schneider, Sabine K., Herdtweck, Eberhardt, Hoffmann, Stephan D.
Format: Artikel
Sprache:eng
Schlagworte:
carbenes
carbocycles
CC coupling
homogeneous catalysis
palladium
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Zusammenfassung:A new player on the field: Carbocyclic carbenes are potentially better control ligands than N‐heterocyclic carbenes (NHCs) in catalyzed CC coupling reactions. PdII complexes of cycloheptatrienylidene (see picture), which are readily prepared, thermally stable, and highly stable towards acid, are as effective as the familiar NHC complexes in Suzuki and Heck reactions or perform even better.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.200503589