Effects of aminoacids on the autooxidation of 3,5-di-tert-butylcatechol in the presence of surface-active copper(II) complexes

被引：1

作者：

Lim, YY ^{[1
]}

Liew, LP ^{[1
]}

机构：

[1] Monash Univ Malaysia, Sch Sci & Engn, Petaling Jaya 46150, Malaysia

来源：

JOURNAL OF COLLOID AND INTERFACE SCIENCE | 2002年 / 255卷 / 02期

关键词：

amino acids; copper(II) micelles; 3,5-di-tert-butylcatechol; autooxidation rate;

D O I：

10.1006/jcis.2002.8619

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The rate of autooxidation of 3,5-di-tert-butylcatechol (3,5-DTBC) in the presence of micelles formed from mixing equal concentrations of [Cu(C-12-tmed)Br-2] (where C-12-tmed is N,N,N'-trimethyl-N'-dodecylethylenediamine) and several amino acids has been investigated. It was found that the rate in air-saturated solution is very much dependent on pH, which affects the availability of copper(II) coordination site for the catechol and the degree of micellization. At a given pH, the rates in [Cu(C-12-tmed)Br-2] Micellar media are greatly enhanced in the presence sodium halide. (C) 2002 Elsevier Science (USA).

引用

页码：425 / 427

页数：3

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