Anderson, Donde R. and O'Leary, Daniel J. and Grubbs, Robert H. (2008) Ruthenium-Olefin Complexes: Effect of Ligand Variation upon Geometry. Chemistry: a European Journal, 14 (25). pp. 7536-7544. ISSN 0947-6539 http://resolver.caltech.edu/CaltechAUTHORS:ANDcaej08
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Abstract
The development of a model system to study ruthenium-olefin complexes relevant to the mechanism of olefin metathesis has been reported recently. Upon addition of the ligand precursor 1,2-divinylbenzene to [RuCl2(Py)2(H2IMes)(CHPh)] (H2IMes=1,3-dimesityl-4,5-dihydroimidazol-2-ylidene), two ruthenium-olefin adducts are formed. Based on 1H NMR spectroscopy experiments and X-ray crystallographic analysis, these complexes are assigned as side-bound isomers in which the olefin and H2IMes ligands are coordinated cis to each other. Herein is reported an investigation of the generality of these observations through variation of the N-heterocyclic carbene ligand and the ligand precursor.
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| Additional Information: | Copyright © 2008 Wiley-VCH. Received: 30 August 2007; Revised: 11 May 2008; Published online: May 16, 2008. The authors thank Materia Inc., Jacob M. Berlin and Tobias Ritter for generous donation of ruthenium complexes. Lawrence M. Henling and Dr. Michael Day are acknowledged for X-ray crystallographic analysis. D.R.A. acknowledges NSF and NDSEG predoctoral fellowships. D.J.O. thanks the Mellon Foundation for support. R.H.G. was supported by the NSF (CHE-0410425). Supporting information for this article is available on the WWW under http://www.chemeurj.org/ or from the author. | ||||||||
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| Subject Keywords: | alkene ligands; ligand effects; olefin metathesis; reaction mechanisms | ||||||||
| Record Number: | CaltechAUTHORS:ANDcaej08 | ||||||||
| Persistent URL: | http://resolver.caltech.edu/CaltechAUTHORS:ANDcaej08 | ||||||||
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| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||||
| ID Code: | 11914 | ||||||||
| Collection: | CaltechAUTHORS | ||||||||
| Deposited By: | Archive Administrator | ||||||||
| Deposited On: | 09 Oct 2008 21:35 | ||||||||
| Last Modified: | 26 Dec 2012 10:23 |
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