Journal
EUROPEAN JOURNAL OF ORGANIC CHEMISTRY
Volume 2008, Issue 26, Pages 4408-4411Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ejoc.200800621
Keywords
ionic liquids; Michael addition; basicity; kinetics
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Funding
- Slovak Grant Agency VEGA [1/3569/06]
- CATAFLUOR 7FPEU
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Michael addition of malonodinitrile to chalcone was studied in classical organic solvent as well as in some common ionic liquids (ILs). Kinetic studies proved that the reaction proceeded faster in the studied ILs than in molecular solvents. N-methylimidazole was found to be a better basic catalyst in some ILs than in conventional solvents. Residual N-methylimidazole in imidazolium-based ILs can act as a basic catalyst. (C) Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2008.
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