Broensted acid-surfactant-combined catalyst for the Mannich reaction in water
A series of Broensted acid-surfactant-combined catalysts (BASCs) functionalised with different acids have been synthesized and applied to catalyze the three-component Mannich reaction with aldehyde, acetone and amine at 25 degree C in water. The effects of cation tail length and ions of the ionic li...
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| Veröffentlicht in: | RSC advances 2013-11, Vol.4 (2), p.727-731 |
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| container_title | RSC advances |
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| creator | Chang, Tao He, Leqin Bian, Li Han, Haiyan Yuan, Mingxia Gao, Xiaorui |
| description | A series of Broensted acid-surfactant-combined catalysts (BASCs) functionalised with different acids have been synthesized and applied to catalyze the three-component Mannich reaction with aldehyde, acetone and amine at 25 degree C in water. The effects of cation tail length and ions of the ionic liquid and the recyclability of the catalysts and BASC acidity (H sub(0)) were investigated. The results demonstrated that the 3-(N,N-dimethyloctylammonium) propanesulfonic acid toluene sulfate ([DOPA][Tos]) provide the best catalytic activity because of the formation of emulsions during the reaction. The catalytic procedure was simple and the catalyst could be recycled 9 times by simple separating processes without noticeably decreasing the catalytic activity. |
| doi_str_mv | 10.1039/c3ra44726j |
| format | Article |
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The effects of cation tail length and ions of the ionic liquid and the recyclability of the catalysts and BASC acidity (H sub(0)) were investigated. The results demonstrated that the 3-(N,N-dimethyloctylammonium) propanesulfonic acid toluene sulfate ([DOPA][Tos]) provide the best catalytic activity because of the formation of emulsions during the reaction. 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| ispartof | RSC advances, 2013-11, Vol.4 (2), p.727-731 |
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| language | eng |
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| source | Royal Society Of Chemistry Journals 2008- |
| subjects | Acetone Catalysts Catalytic activity Emulsions Ionic liquids Recyclability Recycled Toluene |
| title | Broensted acid-surfactant-combined catalyst for the Mannich reaction in water |
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