中华医学超声杂志

应用化学 ›› 1997, Vol. 0 ›› Issue (3): 81-83.

• 研究论文 • 上一篇    下一篇

2,2’-对苯二甲硫基二乙酸与醋酸钴在低热温度下的固-固相反应

张卫华1, 忻新泉2   

  1. 1. 湖北师范学院化学系, 黄石 435002;
    2. 南京大学配位化学国家重点实验室, 南京
  • 收稿日期:1996-08-04 修回日期:1997-03-11 出版日期:1997-06-10 发布日期:1997-06-10
  • 基金资助:
    国家自然科学基金;国家教委博士点基金;湖北省教委科研基金

The Solid Solid State Reaction of 2,2'-(p-Phenylenedimethylenethio)Diacetic Acid with Cobalt Acetate Tetrahydrate at Low Heating Temperature

Zhang Weihua1, Xin Xinquan2   

  1. 1. Department of Chemistry, Hubei Normal University, Huangshi 435002;
    2. State Key Laboratory of Coordination Chemistry, Nanjing University, Nanjing 210093
  • Received:1996-08-04 Revised:1997-03-11 Published:1997-06-10 Online:1997-06-10

PDF

484

被引次数

3

摘要： 有机硫醚酸类化合物除用于含硫大环化合物的合成中间体外, 由于其在结构上同时存在着可与金属配位的羧基氧原子和硫原子, 近年来在配位化学领域也得到广泛的应用, 但室温和低热温度下的固相配位化学反应研究报道较少[1]. 在前文[2]配体合成的基础上, 本文报道了2, 2'-对苯二甲硫基二乙酸(简称 PDMTA)与醋酸钴在低热温度下的固相配位化学反应, 计算了固相反应的动力学参数, 讨论了可能的固相反应机理。

关键词: 2, 2'－对苯二甲硫基二乙酸, 醋酸钴, 固－固相反应, 动力学

Abstract: The solid solid state reaction of 2,2'-(p-phenylenedimethylenethio)diacetic acid with cobalt acetate tetrahydrate has been studied. XRD, IR, ESR, TG-TA and elemental analysis were used to characterize the solid product. The kinetics of the isothermal solid state reaction was investigated by using the electrical conductivity measurement. The kinetics of this system conforms to a A3 mechanism, the activation energy is calculated to be Ea=104.7 kJ/mol.

Key words: p-phenylenedimethylenethio diacetic acid, cobalt acetate tetrahydrate, solid state reaction, kinetics

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