有机化学 ›› 1990, Vol. 10 ›› Issue (3): 264-265. 上一篇    下一篇

研究论文

TiCl4-Cr还原偶联活泼卤化物及芳醛、芳酮的研究

步修仁;孟庆全;游效曾;卞正炜   

  1. 南京大学配位化学研究所
  • 发布日期:1990-06-25

The coupling reaction of active hilides and aromatic aldehydes and ketones by TiCl4-Cr

BU XIUREN;MENG QINGQUAN;YOU XIAOZENG;BIAN ZHENGWEI   

  • Published:1990-06-25

本文报道在四氢呋喃溶液中用金属铬粉作还原剂与四氯化钛作用, 所得到的活性低价钛和苄氯苄二氯-a,a,a-三氯甲基苯, 芳醛以及芳酮的反应性能, 并讨论了低价钛组份的ESR波谱。

关键词: 卤化物, 醛, 芳香族烃, 四氯化钛, 铬, 四氢呋喃, 还原, 酮, 反应性能, 电子自旋共振

The low-valent titanium reagent, prepared by reduction of TiCl4 with Cr powder in THF, reacts with benzyl halides, benzyl dihalides, a,a,a-trihalomethylarenes, aromatic aldehydes and ketones to give the reductive coupling products.

Key words: AROMATIC HYDROCARBON, HALIDE, CHROMIUM, ALDEHYDES, TITANIUM TETRACHLORIDE, TETRAHYDROFURAN, REDUCTION, REACTION PROPERTIES, KETONE, ELECTRON SPIN RESONANCE

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