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• Marvey, B
• Ebenso, E
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• Marvey, B
• Ebenso, E
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• Thomas, P
• Marvey, B
• Ebenso, E

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Int. J. Mol. Sci. 2011, 12(6), 3989-3997; doi:10.3390/ijms12063989

Article

Metathesis of Fatty Acid Ester Derivatives in 1,1-Dialkyl and 1,2,3-Trialkyl Imidazolium Type Ionic Liquids

Priya A. Thomas ¹ , Bassie B. Marvey ²  and Eno E. Ebenso ^1,*

¹ Department of Chemistry, North-West University (Mafikeng Campus), Private Bag X2046, Mmabatho 2735, South Africa ² Department of Chemistry, University of Limpopo, PO Box 197, Medunsa 0204, South Africa

* Author to whom correspondence should be addressed.

Received: 19 March 2011; in revised form: 18 May 2011 / Accepted: 27 May 2011 / Published: 14 June 2011

(This article belongs to the Section Physical Chemistry, Theoretical and Computational Chemistry)

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Abstract: The self-metathesis of methyl oleate and methyl ricinoleate was carried out in the presence of ruthenium alkylidene catalysts 1–4 in [bmim] and [bdmim][X] type ionic liquids (RTILs) (X = PF₆⁻, BF₄^– and NTf₂⁻) using the gas chromatographic technique. Best catalytic performance was obtained in [bdmim][X] type ionic liquids when compared with [bmim][X] type ionic liquids. Catalyst recycling studies were also carried out in the room temperature ionic liquids (RTILs) with catalysts 1–4 in order to explore their possible industrial application.

Keywords: self-metathesis; methyl oleate; methyl ricinoleate; [bmim][X]; [bdmim][X]

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