化学学报 ›› 2000, Vol. 58 ›› Issue (11): 1434-1441. 上一篇    下一篇

研究论文

[Co(3,3-tri)(amp)Cl]^2^+四个经式异构体的NMR研究

祝黔江;陶朱;张建新;徐元植   

  1. 浙江大学化学系.杭州(310027);贵州大学应用化学研究所.贵州;贵州 省天然产物重点化学实验室
  • 出版日期:2000-11-15 发布日期:2000-11-15

Study on 2D NMR spectra of the four meridional isomers in [Co(3,3- tri)(amp)Cl]^2^+ system

Zhu Qianjiang;Tao Zhu;Zhang Jianxin;Xu Yuanzhi   

  1. Zhejiang Univ, Dept Chem.Hangzhou(310027);Guizhou Univ., Inst of Appl Chem.Guizhou
  • Online:2000-11-15 Published:2000-11-15

利用一维及二维核磁共振谱,如gCOSY和NOESY,对合成的4个[Co(3,3-tri)(amp)Cl]^2^+经式异构体的溶液结构进行了解析,与柱色层方法分离出的四带配合物对照的结果是:b1=m2;b2=m4;b3=m1;b4=m3。

关键词: 钴络合物, 异构体, 核磁共振谱法, 结构分析

The configurations of the four geometric mer-isomers in a new [Co(3, 3-tri)(amp)Cl]^2^+[3,3-tri=N-(3-aminoethyl)-1,3- propanediamine; amp=2- (aminomethyl)pyridine] system were assigned by using 2D NMR techniques such as gCOSY and NOESY. Solvent used was Me~2SO-d~6 with the central peak of the CD~3 septet as the reference (^1^3C, δ=39.37; ^1H; δ=2. 49 relative to SiMe~4). Comparing to the eluates from the chromatographic column, cation exchange media used was Dowex 50W×2 (H^+ form, 200~400 mesh; Biorad Compauy), the first band contains the m2, the second band contains the m4, the third band contains the m1 and the fouth band contains the m3.

Key words: COBALT COMPLEX, ISOMER, NMR SPECTROMETRY, STRUCTURAL ANALYSIS

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