Mannich reaction in water using acidic ionic liquid as recoverable and reusable catalyst |
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| Authors: | Fang Dong Luo Jun Zhou Xin-Li Liu Zu-Liang |
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| Affiliation: | (1) School of Chemical Engineering, Nanjing University of Science & Technology, Nanjing, 210094, P.R. China;(2) Department of Science & Technology, Yancheng Teachers College, Yancheng, 224002, P.R. China |
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| Abstract: | The task-specific room-temperature ionic liquid (TSIL) N, N, N-trimethyl-N-butanesulfonic acid ammonium hydrogen sulfate [TMBSA]HSO4 was synthesized as a cheap and recyclable catalyst for one-pot three-component Mannich reaction in water. Sixteen β-amino carbonyl compounds were obtained in good yields under the mild conditions. The products could simply be separated from the catalyst/water, and the catalyst could be reused at least 7 times without noticeably decreasing the catalytic activity.  |
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| Keywords: | Mannich reaction ionic liquid catalyst |
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