高等学校化学学报

高等学校化学学报 ›› 1993, Vol. 14 ›› Issue (3): 301.

• 研究论文 • 上一篇    下一篇

N-亚水杨基氨基酸锌配合物的合成及表征

黎植昌1, 李太山2   

  1. 1. 西南师范大学应用化学研究中心, 重庆 630715;
    2. 唐山市环境保护研究所
  • 收稿日期:1992-05-27 修回日期:1992-08-01 出版日期:1993-03-24 发布日期:1993-03-24
  • 通讯作者: 黎植昌
  • 基金资助:

    国家自然科学基金

Synthesis and Characterization of N-Salicylideneamino Acid Zinc(Ⅱ) Complexes

LI Zhi-Chang1, LI Tai-Shan2   

  1. 1. Research Centre of Applied Chemistry, Southwest China Normal University, Changing, 630715;
    2. Tangshan Municipal Research Institute of Environmental Protection, Tangshan
  • Received:1992-05-27 Revised:1992-08-01 Online:1993-03-24 Published:1993-03-24

PDF (PC)

被引次数

87

摘要： 合成了5种氨基酸Schiff碱锌配合物Zn[(Sal-Gly)·H2O]、Zn[(Sal-DL-Val)·H2O]、Zn[(Sal-L-Ile)·H2O]、Zn[(Sal-L-Leu)·H2O]和Zn[(Sal-L-Phe)·H2O],对配合物进行了元素分析、热重-差热分析,测定了其红外光谱、电子光谱、荧光光谱和摩尔电导,并讨论了锌配合物的结构。

关键词: N-亚水杨基氮基酸, 锌配合物, 合成, 表征

Abstract: Five complexes of N-salicylideneamino acid zinc ( Ⅱ ) were synthesized.The structure of the complexes were characterized by elementary analysis, thermogravimetric and differential thermal analysis, molar conductance, infrared, electronic and fluorescence spectra.The five complexes have the composition of Zn[(Sal-Gly)·H2O], Zn[(Sal-DL-Val)·H2O], Zn[(Sal-L-IIe) H2O], Zn[(Sal-L-Leu)·H2O] and Zn[(Sal-L-Phe)·H2O] respectively.The results of the studies indicate that the tautomeric equilibrium between the " enol-imine" and "keto-enam-ine" exists in the Schiff bases derived from salicylaldehyde with amino acids.The structures of zinc ( Ⅱ ) complexes must be those indicated by formula Ⅲ and Ⅳ.The molar conductance data show that they are nonelectrolyte, and the TG-DTAresults show that the decomposition temperature of complexes is above 300℃ and the thermal stability of them is higher than that of the ligand.Fluorescence intensity of zinc( Ⅱ ) complexes in alcohol is 43-227 times as high as that of the Schiff bases at excitation wavelength (λex = 368 nm) and emission wavelength (λem = 444 nm) of the complexes.N-salicylideneamino acids can be used in fluorescence analysis.

Key words: N-salicylideneamino acid, Zinc( Ⅱ ) complexes, Synthesis, Characterization

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