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Design of phosphonium ionic liquids for lipase-catalyzed transesterification
- Source :
-
Journal of Molecular Catalysis B: Enzymatic . Apr2008, Vol. 51 Issue 3/4, p81-85. 5p. - Publication Year :
- 2008
-
Abstract
- Abstract: Ionic liquids are now recognized as solvents for use in lipase-catalyzed reactions; however, there still remains a serious drawback in that the rate of reaction in an ionic liquid is slower than that in a conventional organic solvent. To overcome this problem, attempts have been made to evolve phosphonium ionic liquids appropriate for lipase-catalyzed reaction; several types of phosphonium salts have been prepared and their capability evaluated for use as solvent for the lipase-catalyzed reaction. Very rapid lipase PS-catalyzed transesterification of secondary alcohols was obtained when 2-methoxyethyl(tri-n-butyl)phosphonium bis(trifluoromethanesulfonyl)imide ([MEBu3P][NTf2]) was used as solvent, affording the first example of a reaction rate superior to that in diisopropyl ether. [Copyright &y& Elsevier]
- Subjects :
- *POLYWATER
*LIQUIDS
*WATER
*PERMEABILITY
Subjects
Details
- Language :
- English
- ISSN :
- 13811177
- Volume :
- 51
- Issue :
- 3/4
- Database :
- Academic Search Index
- Journal :
- Journal of Molecular Catalysis B: Enzymatic
- Publication Type :
- Academic Journal
- Accession number :
- 28803376
- Full Text :
- https://doi.org/10.1016/j.molcatb.2007.11.010