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有机化学
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有机化学 ›› 2011, Vol. 31 ›› Issue (06): 897-900. 上一篇    下一篇

研究简报

微波辐射下2-硝基芴与芳香醛的Knoevenagel反应

胡卫兵*，冯驸，黎云攀，周红艳，王辉，田大听   

  1. (湖北民族学院化学与环境工程学院 恩施 445000)
  • 收稿日期:2010-09-10 修回日期:2010-12-23 发布日期:2011-01-30
  • 通讯作者: 冯驸 E-mail:fu.feng@yahoo.com.cn

Microwave-Assisted Knoevenagel Reaction of 2-Nitrofluorene with Aromatic Aldehyde

HU Wei-Bing, FENG Fu, LI Yun-Pan, ZHOU Hong-Yan, WANG Hui, TIAN Da-Ting   

  1. (School of Chemistry and Environmental Engineering, Hubei Institute for Nationalities, Enshi 445000)
  • Received:2010-09-10 Revised:2010-12-23 Published:2011-01-30
  • Contact: feng fu1 E-mail:fu.feng@yahoo.com.cn

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以2-硝基芴和芳香醛为原料, 在碱性条件下, 微波辐射(500 W)反应5～8 min, 非常方便地合成了系列未见文献报道的Knoevenagel反应产物, 该方法操作简单、产率较高(78%～89%). 其结构经IR, 1H NMR, MS和元素分析进行了表征. 对化合物3a～3d进行了紫外吸收和荧光测定, 结果显示这些化合物具有荧光特性.

关键词: 2-硝基芴, Knoevenagel, 微波合成, 荧光特性, 紫外吸收光谱

A series of novel Knoevenagel products of 2-nitrofluorene to a series of aromatic aldehydes were obtained in the presence of sodium hydroxide under microwave irradiation (500 W) within short reaction times (5～8 min) in high yields (78%～89%). The structures of the products were characterized by IR, 1H NMR, MS techniques and elemental analysis. The UV absorption and fluorescent spectra of compounds 3a～3d were detected and showed that they had fluorescence.

Key words: 2-nitrofluorene, Knoevenagel, microwave-assisted, fluorescent property, UV absorption