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中文摘要：
利用室温离子液体[BPY][BF4]作溶剂，将芳醛、乙酰乙酸乙酯和尿素三组分于80℃“一锅煮”合成了一系列3，4-二氢嘧啶-2（1H）-酮-与传统方法相比，该法操作简单，产率高，反应时间短且环境友好．
英文摘要：
3,4-dihydropyrimidine-2（ 1H）-ones were synthesized in good to excellent yields by one-pot three-component Biginelli condensation of diversity aldehydes, ethyl acetoacetate and urea in room temperature ionic liquid [BPY][BF4] at 80℃.
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