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日用化学工业 ›› 2016, Vol. 46 ›› Issue (6): 344-348.doi: 10.13218/j.cnki.csdc.2016.06.009

• 开发与应用 • 上一篇    下一篇

H4GeW12O40/Cu3(BTC)2催化Biginelli反应合成3,4-二氢嘧啶-2(1H)-酮衍生物

龚文朋1,马海芹1,周州2,杨水金1,2   

  1. 1.湖北师范大学 化学化工学院 稀有金属化学湖北省协同创新中心,湖北 黄石 435002;
    2.湖北师范大学 文理学院,湖北 黄石 435002
  • 发布日期:2016-06-22
  • 通讯作者: 杨水金,教授,电话:(0714)6515602,E-mail:yangshuijin@163.com。
  • 作者简介:龚文朋(1991-),男,硕士研究生,电话:18271624901,E-mail:1539380469@qq.com。
  • 基金资助:
    2016年地方高校国家级大学生创新创业训练计划资助项目(201610513010);湖北省自然科学基金重点资助项目(2014CFA131);湖北师范学院文理学院本科生科研项目(201503)

Synthesis of 3,4-dihydropyrimidine-2(1H)-one derivatives via Biginelli reaction with H4GeW12O40/Cu3(BTC)2 as catalyst

GONG Wen-peng1,MA Hai-qin1,ZHOU Zhou2,YANG Shui-jin1,2   

  1. 1.Hubei Collaborative Innovation Center for Rare Metal Chemistry,College of Chemistry and Chemical Engineering, Hubei Normal University,Huangshi,Hubei 435002,China;
    2.College of Arts and Sciences,Hubei Normal University,Huangshi,Hubei 435002,China
  • Published:2016-06-22

摘要: 采用浸渍法以金属有机骨架Cu3(BTC)2负载锗钨酸(H4GeW12O40)制备H4GeW12O40/Cu3(BTC)2催化剂,并用该催化剂催化芳醛、尿素和乙酰乙酸乙酯通过“一锅法”Biginelli缩合反应,以无水乙醇为溶剂,合成6种3,4-二氢嘧啶-2(1H)-酮衍生物;通过熔点的测定,IR,1H NMR和MS等对产物3,4-二氢嘧啶-2(1H)-酮衍生物进行表征。结果表明:在芳醛用量为0.04 mol,n(芳醛)∶n(乙酰乙酸乙酯)∶n(尿素)=1∶1.5∶1.5,催化剂的用量占反应物料总质量的4.0%,反应温度为90 ℃,反应时间为90 min的条件下,目标产物收率可达63.0%~76.3%。

关键词: Biginelli反应, H4GeW12O40/Cu3(BTC)2, 催化, 3,4-二氢嘧啶-2(1H)-酮衍生物

Abstract: Six kinds of 3,4-dihydropyrimidine-2(1H)-one derivative were prepared via Biginelli-type condensation by one-pot method with ethyl acetoacetate,aromatic aldehyde and urea as starting materials,anhydrous ethanol as solvent and H4GeW12O40/Cu3(BTC)2 as catalyst.The catalyst was prepared by loading of germanic-tungstic acid on metal organic skeleton by impregnation method.Structures of the target compounds were characterized by melting point determination,1H NMR,IR,and MS.The experimental results showed that,under the conditions of fixed aromatic aldehyde feed of 0.04 mol;n(aromatic aldehyde)∶n(ethyl acetoacetate)∶n(urea)=1∶1.5∶1.5;the dosage of catalyst at 4.0% of total mass of the starting materials;reaction temperature at 90 ℃;and reaction time of 90 min;the yield of the target products achieves 63.0%-76.3%.

Key words: Biginelli reaction, H4GeW12O40/Cu3(BTC)2, catalytic, 3,4-dihydropyrimidine-2(1H)-one derivative

中图分类号: 

  • TQ460