NC palladacycles in the Heck arylation of ethylene: Synthesis, structure and their reactivity

Atla, S. B., Kelkar, A. A., Puranik, V. G., Bensch, Wolfgang and Chaudhari, R. V. (2009) NC palladacycles in the Heck arylation of ethylene: Synthesis, structure and their reactivity Journal of Organometallic Chemistry, 694 (5). pp. 683-690.

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Abstract

Monomeric cyclopalladated complexes with NC coordination using ligands 2-phenylpyridine, 2-phenylquinoline, 8-methylquinoline have been synthesized and the structures have been determined by single crystal X-ray structure analysis. The crystal structures of monomeric palladacycles prepared using benzophenone oxime, and 2-phenylpyridine have also been determined. The use of these complexes in the Heck arylation of ethylene with 2-bromo-6-methoxynaphthalne (BMN) to give 2-vinyl-6-methoxynapthalene which is an intermediate for the synthesis of anti-inflammatory drug Naproxen has been examined and also arylation of ethylene with 3-bromo-benzophenone and 4-bromo-isobutylbenzene was investigated. These palladacycles with NC coordination show excellent catalytic activity with a TOF > 4000 h (1). (C) 2008 Elsevier B.V. All rights reserved.

Document Type: Article
Keywords: arylationpalladacycle alpha-aryl propionic acids palladium-catalyzed arylation aryl bromides complexes phosphine chlorides examples
Research affiliation: OceanRep > The Future Ocean - Cluster of Excellence
Kiel University
Refereed: Yes
ISSN: 0022-328X
Projects: Future Ocean
Date Deposited: 11 Feb 2011 12:15
Last Modified: 05 Oct 2017 13:25
URI: http://eprints.uni-kiel.de/id/eprint/9274

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