高等学校化学学报

高等学校化学学报 ›› 1990, Vol. 11 ›› Issue (1): 36.

• 研究论文 • 上一篇    下一篇

二乙胺基尾式卟啉铁(Ⅲ)的电化学性质研究(Ⅰ)—二乙胺基尾式卟啉铁的溶剂效应

曹锡章, 王清民, 张树国   

  1. 吉林大学化学系
  • 收稿日期:1988-03-30 出版日期:1990-01-24 发布日期:1990-01-24
  • 通讯作者: 王清民
  • 基金资助:

    国家自然科学基金

Investigation of Electrochemical Characteristics of a New (Tailed Iron(Ⅲ) Porphyrin(Ⅰ)—Solvent Effects of Tailed Iron ( Ⅲ ) Porphyrin

Cao Xizhang, Wang Qingmin, Zhang Shuguo   

  1. Department of Chemistry, Jilin University, Changchun
  • Received:1988-03-30 Online:1990-01-24 Published:1990-01-24

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摘要： 本文用循环伏安法研究了1种新型生物模型化合物—二乙胺基尾式卟啉铁(meso-MDBPTPPFe(Ⅲ)Cl)的电化学行为及溶剂效应。结果表明:二乙胺基尾式卟啉铁中尾端叔胺起着调谐电位作用,稳定了低价态。溶剂不同,尾式卟啉铁各电对的半波电位也不同。实验发现,电对Fe(Ⅲ)/Fe(Ⅱ)和Fe(Ⅱ)/Fe(Ⅰ)的半波电位与溶剂的给电子数(DN数)成规律性变化。

关键词: 尾式卟啉铁(Ⅲ), 溶剂效应, 电化学反应

Abstract: The electrochemical behavior and solvent effects of a new biological model compound—tailed porphyrin iron ( Ⅲ ) complex, meso-mono(o-(4-diethyl amino) butyramidophenyl) triphenyl porphyrin iron( Ⅲ) (meso-MDBPTPPFe( Ⅲ )Cl) was investigated by cyclic voltammetry. The experimental results demonstrate that (1) the terminal base in meso-MDBPTPPFeCl plays a part of potential modulation, and thus stabilizes the oxidation state of iron( Ⅱ ). (2) The half wave potential of each electronic pair for meso-MDBPTPPFe( Ⅲ)Cl is different with different solvents. Furthermore, the half wave potential of Fe( Ⅲ)/Fe( Ⅱ ) is almost directly proportional to the donor number of solvents, while that of Fe( Ⅱ )/Fe( Ⅰ ) is almost inversely proportional to the donor number of solvents.

Key words: Tailed iron (Ⅲ) porphyrin, Solvent effect, Electrochemical reaction

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