Poly(<Emphasis Type="Italic">N</Emphasis>-vinylimidazole) as an efficient and recyclable catalyst of the aza-Michael reaction in water |
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Authors: | I P Beletskaya E A Tarasenko A R Khokhlov V S Tyurin |
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Institution: | (1) Division of Organic Technology, Faculty of Chemistry, Wrocław University of Technology, Wybrzeże Stanisława Wyspiańskiego 27, 50-370 Wrocław, Poland |
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Abstract: | Poly(N-vinylimidazole) effectively catalyzed Michael addition of 1H-1,2,4-triazole, 3,5-dimethyl-1H-1,2,4-triazole, uracil, oxazolidin-2-one, and succinimide to but-3-en-2-one, cyclohex-2-en-1-one, methyl acrylate, and methyl
vinyl sulfone in water at room temperature. The catalyst can readily be regenerated and repeatedly used at least five times
without loss in activity, as shown in the reaction of 1H-1,2,4-triazole with but-3-en-2-one as an example. |
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