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Beneficial Contribution of Biosourced Ionic Liquids and Microwaves in the Michael Reaction

Abstract : We developed a synthesis of chiral ionic liquids from proline and one of its derivatives. Nine chiral ionic liquids were synthesized with yields from 78% to 95%. These synthesized ionic liquids played two roles in Michael reactions, as solvents, and as basic catalysts, where the ionic phase could also be reused at least five times without loss of activity. The yields up to 99% were improved by increasing the amount of dimethylmalonate from 1.2 equivalents to 3 or 4 equivalents. Furthermore, the reaction time could be reduced from 24 h to 45 min through microwaves activation.
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https://hal.univ-reims.fr/hal-03407161
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Submitted on : Thursday, October 28, 2021 - 12:01:28 PM
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Katia Bacha, Kawther Aguibi, Jean-Pierre Mbakidi, Sandrine Bouquillon. Beneficial Contribution of Biosourced Ionic Liquids and Microwaves in the Michael Reaction. Catalysts, MDPI, 2020, 10 (8), pp.814. ⟨10.3390/catal10080814⟩. ⟨hal-03407161⟩

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