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Issue 2, 2012
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Acidic-functionalized ionic liquid as an efficient, green and reusable catalyst for hetero-Michael addition of nitrogen, sulfur and oxygen nucleophiles to α,β-unsaturated ketones

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Abstract

A series of acidic-functionalized ionic liquids were synthesized and applied to the hetero-Michael addition of nitrogen, sulfur and oxygen nucleophiles to α,β-unsaturated ketones under solvent-free conditions. Notably, 1-methylimidazoliump-toluenesulfonic ([Hmim]OTs) was found to be the most efficient catalyst and could realize “homogeneous catalysis, two-phase separation”. Additionally, the catalytic system has wide substrate scope and good to excellent yields (up to 99%) could be obtained at room temperature.

Graphical abstract: Acidic-functionalized ionic liquid as an efficient, green and reusable catalyst for hetero-Michael addition of nitrogen, sulfur and oxygen nucleophiles to α,β-unsaturated ketones

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Publication details

The article was received on 08 Aug 2011, accepted on 26 Sep 2011 and first published on 27 Sep 2011


Article type: Paper
DOI: 10.1039/C1OB06346D
Citation: Org. Biomol. Chem., 2012,10, 346-354

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    Acidic-functionalized ionic liquid as an efficient, green and reusable catalyst for hetero-Michael addition of nitrogen, sulfur and oxygen nucleophiles to α,β-unsaturated ketones

    F. Han, L. Yang, Z. Li and C. Xia, Org. Biomol. Chem., 2012, 10, 346
    DOI: 10.1039/C1OB06346D

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