高等学校化学学报

高等学校化学学报 ›› 1994, Vol. 15 ›› Issue (9): 1361.

• 论文 • 上一篇    下一篇

在β－胡萝卜素氧化分解反应中咪唑及其衍生物的催化作用研究

张智慧1, 陈兰1, 朱志昂1, 阮文娟1, 陈荣悌1, 江冬青2   

  1. 1. 南开大学化学系, 天津, 300071;
    2. 南开大学中心实验室
  • 收稿日期:1993-10-09 修回日期:1994-02-05 出版日期:1994-09-24 发布日期:1994-09-24
  • 通讯作者: 张智慧,女,46岁,副教授.
  • 作者简介:张智慧,女,46岁,副教授.
  • 基金资助:

    国家自然科学基金

Studies on the Catalytic Action of Imidazole and Its Derivativs in the Reactlon of β-Carotene Oxidative Decomposition

ZHANG Zhi-Hui1, CHEN Lan1, ZHU Zhi-Ang1, RUAN Wen-Juan1, CHEN Rong-Ti1, JIAN Dong-Qing2   

  1. 1. Department of Chemistry, Nankai University, Tianjin, 300071;
    2. Central Laboralory, Nankai University, Tianjin
  • Received:1993-10-09 Revised:1994-02-05 Online:1994-09-24 Published:1994-09-24

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摘要： 使用紫外可见分光光度计研究了在以氯合四-间三甲苯基卟啉铁(Ⅲ)为催化剂,间氯代过氧化苯甲酸为氧化剂催化β-胡萝卜素氧化分解反应中咪唑及其衍生物的催化作用,分析了咪唑及其衍生物的酸碱催化及轴向配位双重作用与结构的关系,提出了反应机理,讨论了温度及咪唑类物质的浓度对反应速率的影响。

关键词: 氯合四－间三甲苯基卟啉铁(Ⅲ), 咪唑, 反应机理, &beta, －胡萝卜素

Abstract: The catalytic action of imidazole and its derivatives in the reaction of β-carotene oxidative decomposition has been studied for employing meso-tetramesityl-porphinatoiron (Ⅲ) chloride(FeTMPCI)as the catalyst and m-chloroperbenzoic acid as the oxidant in dichloromethane by means of Beckmann Du-8Bspectrophotometer.Imidazole and its derivatives are not only the axial coordinate ligand but also a kind of catalyst.The reasonable mechnism of the reactions was postulated.The data were simulated with IBM-PCcomputer, the reaction rates were obtained. the effect of reaction condition on the rate of reaction was discussed.

Key words: Meso-tetramesityl porphinatoiron(Ⅲ)chloride, Imidazole, Reaction memchanism, β-Carotene

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