Remarkable rate acceleration of imidazole-promoted Baylis-Hillman reaction involving cyclic enones in basic water solution |
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Authors: | Luo Sanzhong Wang Peng George Cheng Jin-Pei |
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Institution: | Center for Molecular Science, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100080, China. |
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Abstract: | The Baylis-Hillman reaction of cyclic enones was greatly accelerated in basic water solution with imidazoles as catalysts, which resulted in short reaction time, high yields, and expanding substrate scopes. Bicarbonate solution was shown to be the optimal reaction medium for the reaction in this study. The apparent "enhanced basicity" of imidazoles accounted for the rate increase in alkaline solution. |
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