Synthesis of a novel ionic liquid with both Lewis and Brønsted acid sites and its catalytic activities
The novel ionic liquid with both Lewis and Brønsted acid sites has been synthesized and its catalytic activities for acetalization and Michael addition were investigated carefully. The novel ionic liquid was stable to water and could be used in aqueous solution. Furthermore, the molar ratio of the Lewis and Brønsted acid sites could be adjusted according to different reactions. The results showed that the novel ionic liquid was very efficient for the traditional acid-catalyzed reactions with good to excellent yields in short time.
Graphical abstractThe novel ionic liquid with both Lewis and Brønsted acid sites has been synthesized and was very efficient for acetalization and Michael addition.Figure optionsDownload full-size imageDownload as PowerPoint slideResearch Highlights► Novel ionic liquid with both BL acid sites has been synthesized. ► The IL owned high stability to water. ► The IL owned high activities for acetalization and Micheal addition.
Journal: Catalysis Communications - Volume 12, Issue 9, 30 April 2011, Pages 808–812