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超声辐射下,查耳酮与含有活泼亚甲基的化合物诸如硝基甲烷、丙二酸二乙酯和乙酰乙酸乙酯等,在氢氧化钾催化下进行Michael加成,产品收率为75%～98%.该法具有反应时间短,产率高的优点.rn“,”Michael addition of chalcone with active methylene compound such as diethyl malonate, nirntromethane and ethyl acetoacetate catalyzed by potassium hydroxide in anhydrous ethanol afforded the corrernsponding Michael adducts in 75 %6～98 % yield under ultrasound.