科研之友
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摘要
Ionic liquids (ILs) have been widely used as green reaction solvents and/or catalysts in organic synthesis due to their advantages, including low volatility, good thermal stability, good solubility and recyclability. Its have played a significant role in accelerating reaction rate and selectivity. The recent advances in the application of ILs as catalysts or solvents are summarized in this review, such as in Baylis-Hillman reaction, Michael addition, oxidation and reduction reaction, Knoevenagel condensation, aldol reaction, Diels-Alder reaction, Heck coupling reaction, Suzuki reaction, asymmetric reaction, Biginelli reaction, Mannich reaction and Hantzsch reaction. Relationship between structure and catalytic efficiency of ILs as well as plausible mechanism has been discussed, which is beneficial to develop the novel task-specific ionic liquids with diverse functionalities.
