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Int. J. Mol. Sci. 2009, 10(11), 5020-5030; doi:10.3390/ijms10115020

C18:1 Methyl Ester Metathesis in [bmim][X] Type Ionic Liquids

Department of Chemistry, North-West University, P/Bag X2046, Mafikeng, 2735, South Africa
* Author to whom correspondence should be addressed.
Received: 11 September 2009 / Revised: 1 October 2009 / Accepted: 30 October 2009 / Published: 18 November 2009
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The efficacyof [bmim][X] ionic liquids (ILs) (X = PF6, BF4 and NTf2) as reaction media for methyl oleate metathesis was compared with that of conventional organic solvents (PhCl, PhMe, DCM and DCE) using the well-defined first and second generation Grubbs precatalysts, RuCl2(PCy3)(L)(=CHPh) (L = PCy3 or H2IMes). Best catalytic performance, with excellent selectivity (>98%) at moderate reaction temperatures, was achieved in [bmim][X] ILs compared to conventional solvents. The effects of anion, reaction temperature, solvent polarity, solvent viscosity, and ligand-anion interaction on the reaction are also addressed.
Keywords: metathesis; methyl oleate; [bmim][X]; RuCl2(PCy3)(L)(=CHPh) metathesis; methyl oleate; [bmim][X]; RuCl2(PCy3)(L)(=CHPh)
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Thomas, P.A.; Marvey, B.B. C18:1 Methyl Ester Metathesis in [bmim][X] Type Ionic Liquids. Int. J. Mol. Sci. 2009, 10, 5020-5030.

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