期刊
CATALYSTS
卷 10, 期 8, 页码 -出版社
MDPI
DOI: 10.3390/catal10080814
关键词
ionic liquids; biomass; microwaves; Michael reaction; chalcone; dimethylmalonate
资金
- Region Champagne Ardenne Excellence Framework [Amisolver program]
- ICMR
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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