有机化学 ›› 1990, Vol. 10 ›› Issue (4): 342-345. 上一篇    下一篇

研究论文

利用^1H CIDNP效应对芳基重氮盐还原反应的研究

徐广智;李二成;蒋宏键;严宝珍   

  1. 中国科学院化学研究所;北京化工学院应用化学系
  • 发布日期:1990-08-25

CIDNP Study on reduction reaction of diazonium salts

XU GUANGZHI;LI ERCHENG;JIANG HONGJIAN;YAN BAOZHEN   

  • Published:1990-08-25

为了考察取代基对芳基重氮盐还原反应的影响, 我们制备了一系列芳基重氮盐XC6H4N2BF4(X=o-Cl, m-Cl, p-cl, o-CH3, m-CH3, p-CH3, o-NO2, m-NO2, p-NO2,o-Br, p-Br, p-I, p-MeO, p-CH3CO)及2,4,6-三氯苯基重氮盐, 使之与硼氢化钠(NaBH4)反应, 同时在NMR谱仪上观测反应中所呈出的CIDNP效应。

关键词: 重氮化合物, 芳香族化合物, 核磁共振谱法, 化学诱导动态核极化, 空间效应, 还原反应, 自由基反应, 取代基效应, 硼氢化钠, 反应速度

The substituent effect on the reduction of arenediazonium tetrafluoroborates was discussed with 1H CIDNP. It was observed that the polarized time were influenced by characteristic of substituent and nuclear relaxation effect.

Key words: NMR SPECTROMETRY, DIAZO COMPOUNDS, STERIC EFFECT, AROMATIC COMPOUNDS, CIDNP, REDUCTION REACTION, FREE RADICAL REACTION, SODIUM BOROHYDRIDE, SUBSTITUENT EFFECT, REACTION RATE

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