Kinetic study of Michael addition catalyzed by N-methylimidazole in ionic liquids:: Residual N-methylimidazole in ionic liquids as a strong base

被引：15

作者：

Meciarova, Maria ^{[1
]}

Cigan, Marek ^{[2
]}

Toma, Stefan ^{[1
]}

Gaplovsky, Anton ^{[2
]}

机构：

[1] Comenius Univ, Fac Nat Sci, Dept Organ Chem, Bratislava 84215, Slovakia

[2] Comenius Univ, Fac Nat Sci, Inst Chem, Bratislava 84215, Slovakia

来源：

EUROPEAN JOURNAL OF ORGANIC CHEMISTRY | 2008年 / 2008卷 / 26期

关键词：

ionic liquids; Michael addition; basicity; kinetics;

D O I：

10.1002/ejoc.200800621

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

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.

引用

页码：4408 / 4411

页数：4

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