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超声波促进的水相Biginelli反应合成二氢嘧啶酮衍生物

Synthesis of Dihydropyrimidin-2(1H)-ones by Aqueous Biginelli Reaction under Ultrasonic Irradiation
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摘要 报道了水相中硫酸氢钠催化的乙酰乙酸酯、醛和脲(硫脲)参与的Biginelli型反应,在超声波促进下高效地合成11个3,4-二氢嘧啶酮衍生物,收率80%~93%,其结构经1H NMR和HR-MS确证。 Eleven 3,4-dihydropyrimidin-2( 1H)-ones were efficiently synthesized by aqueous Biginelli reaction of β-ketoester,aldehyde and urea( or thiourea) catalyzed by Na HSO4 under ultrasonic irradiation with the yields of 80% ~ 93%. The structures were confirmed by1 H NMR and HR-MS.
作者 王英 焦锐
出处 《合成化学》 CAS CSCD 2015年第11期1060-1062,1084,共4页 Chinese Journal of Synthetic Chemistry
基金 江苏省教育厅"青蓝工程"项目
关键词 BIGINELLI反应 催化 超声波 水相 二氢嘧啶酮 合成 Biginelli reaction catalysis ultrasonic irradiation aqueous reaction 3 4-dihydropyrimidin-2(1H)-one synthesis
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