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Knoevenagel Condensation in Room Temperature Ionic Liquids under Microwave Irradiation
Author(s): 
Pages: 292-295
Year: Issue:  3
Journal: ACTA SCIENTIARUM NATURALIUM UNIVERSITATIS NEIMONGOL

Keyword:  离子液体微波辐射Knoevenagel缩合反应;
Abstract: 制备了室温离子液体溴化1-丁基-3-乙基咪唑,它作为微波辐射下的Knoevenagel缩合反应的微波吸收剂,可以极大地提高苯甲醛及取代苯甲醛与氰乙酸乙酯的反应速度.考察了离子液体的用量、反应时间以及微波辐射功率对反应的影响.结果表明反应时间大大缩短,操作简单方便,产率可达70%以上.
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