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化学学报
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化学学报 ›› 1987, Vol. 45 ›› Issue (1): 74-76. 上一篇    下一篇

研究论文

三苯基膦亚铜配合物光解反应的ESR研究

周建威;李二成;李世虎;徐广智   

  1. 中国科学院化学研究所
  • 发布日期:1987-01-15

ESR studies of photolysis of (Ph3P)3 CunXn and (Ph3P) (biL) CuX

ZHOU JIANWEI;LI ERCHENG;LI SHIHU;XU GUANGZHI   

  • Published:1987-01-15

PDF

416

被引次数

6

用自旋捕捉技术-柱色谱-电子自旋共振相结合的方法研究了(Ph3)3CunXn(n=1,2; x=Cl,Br,I,CN)和(Ph3P)(biL)CuX(X=Cl,Br,I;biL-2,2'-二吡啶基-1,10-菲绕啉光解中的活性自由基.通过在苯基自由基,二苯基膦自由基与苯基丁基氧化氮之间生成的自旋加合物的电子顺磁共振谱的超精细结构,证实了苯基自由基和二苯基膦自由基的生成.标题化合物对某些反应具有催化活性.

关键词: 吡啶 P, 反应机理, 卤化物, 催化剂, 电子自旋共振谱法, 铜络合物, 柱色谱, 三苯基膦, 游离基, 光分解

Active radicals in the photolysis of (Ph3P)3CunXn (n = 1, 2; X = Cl, Br, I, CN) and (Ph3P)(biL)CuX (X = Cl, Br, I; biL = 2,2'-dipyridyl, 1,10-phenanthroline) were investigated by combination of spin trapping technique, chromatog. and ESR spectroscopy. The formation of free radicals Ph. and Ph2P. was confirmed by the hyperfine structure of the ESR spectra of the spin adducts formed between Ph. or Ph2P. and phenyl-tert-butylnitrone.

Key words: PYRIDINE P, REACTION MECHANISM, HALIDE, CATALYST, ELECTRON SPIN RESONANCE SPECTROMETRY, COPPER COMPLEX, COLUMN CHROMATOGRAPHY, TRIPHENYLPHOSPHINE, FREE RADICAL, PHOTODECOMPOSITION

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