Abstract
The condensation reaction involving an o-aminoaryl ketones with α-methylene ketones via the tandem addition/annulation reaction by the ionic liquid of [Hbim][BF 4] (IL) as a solvent with methanol as co-solvent at room temperature under ultrasound irradiation afforded the corresponding quinolines derivatives in excellent yields. The use of ionic liquid and ultrasound, which promoted this protocol under room temperature without the requirement of any added catalyst. Quinoline derivatives are important and have a potential use as special biological drug in medicine.
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