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

Yau Yan Lim; L. P. Liew

doi:10.1006/jcis.2002.8619

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

Yau Yan Lim, L. P. Liew

Malaysia Sch of Science

Research output: Contribution to journal › Article › Research › peer-review

2 Citations (Scopus)

Abstract

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(C₁₂-tmed)Br₂] (where C₁₂-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(C₁₂-tmed)Br₂] micellar media are greatly enhanced in the presence sodium halide.

Original language	English
Pages (from-to)	425-427
Number of pages	3
Journal	Journal of Colloid and Interface Science
Volume	255
Issue number	2
DOIs	https://doi.org/10.1006/jcis.2002.8619
Publication status	Published - 2002

Keywords

3,5-di-tert-butylcatechol
Amino acids
Autooxidation rate
Copper(II) micelles

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10.1006/jcis.2002.8619

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@article{577b9f46a8a9475ca2caca7ed0b8e56b,

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

abstract = "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(C12-tmed)Br2] (where C12-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(C12-tmed)Br2] micellar media are greatly enhanced in the presence sodium halide.",

keywords = "3,5-di-tert-butylcatechol, Amino acids, Autooxidation rate, Copper(II) micelles",

author = "Lim, \{Yau Yan\} and Liew, \{L. P.\}",

note = "Funding Information: The authors thank Monash University (Malaysia) Research Committee for financial support and Ginny Lim Theng Teng for part of the experimental works. Copyright: Copyright 2017 Elsevier B.V., All rights reserved.",

year = "2002",

doi = "10.1006/jcis.2002.8619",

language = "English",

volume = "255",

pages = "425--427",

journal = "Journal of Colloid and Interface Science",

issn = "0021-9797",

publisher = "Elsevier",

number = "2",

}

TY - JOUR

T1 - Effects of aminoacids on the autooxidation of 3,5-di-tert-butylcatechol in the presence of surface-active copper(II) complexes

AU - Lim, Yau Yan

AU - Liew, L. P.

N1 - Funding Information: The authors thank Monash University (Malaysia) Research Committee for financial support and Ginny Lim Theng Teng for part of the experimental works. Copyright: Copyright 2017 Elsevier B.V., All rights reserved.

PY - 2002

Y1 - 2002

N2 - 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(C12-tmed)Br2] (where C12-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(C12-tmed)Br2] micellar media are greatly enhanced in the presence sodium halide.

AB - 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(C12-tmed)Br2] (where C12-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(C12-tmed)Br2] micellar media are greatly enhanced in the presence sodium halide.

KW - 3,5-di-tert-butylcatechol

KW - Amino acids

KW - Autooxidation rate

KW - Copper(II) micelles

UR - https://www.scopus.com/pages/publications/0036919879

U2 - 10.1006/jcis.2002.8619

DO - 10.1006/jcis.2002.8619

M3 - Article

C2 - 12505092

AN - SCOPUS:0036919879

SN - 0021-9797

VL - 255

SP - 425

EP - 427

JO - Journal of Colloid and Interface Science

JF - Journal of Colloid and Interface Science

IS - 2

ER -

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

Abstract

Keywords

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