Kinetics of the radical-chain oxidation of methyl oleate inhibited by 5-amino-6-methyluracil and 5-amino-1,3,6-trimethyluracil

被引：4

作者：

Sakhautdinova, R. A. ^{[1
]}

Gimadieva, A. R. ^{[1
]}

Yakupova, L. R. ^{[1
]}

Borisov, I. M. ^{[2
]}

Safiullin, R. L. ^{[1
]}

机构：

[1] Russian Acad Sci, Ufa Sci Ctr, Inst Organ Chem, Ufa 450054, Republic Of Bas, Russia

[2] Bashkir State Pedag Univ, Ufa 450000, Republic Of Bas, Russia

来源：

KINETICS AND CATALYSIS | 2015年 / 56卷 / 02期

基金：

俄罗斯基础研究基金会;

关键词：

PEROXYL RADICALS; DERIVATIVES; 1,4-DIOXANE; LINOLEATE; URACILS; MODEL;

D O I：

10.1134/S0023158415010115

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 effects of 5-amino-6-methyluracil (AMU) and 5-amino-1,3,6-trimethyluracil (ATMU) on the rate of oxygen uptake in methyl oleate (MO) radical-chain oxidation initiated by 2,2'-azobisisobutyronitrile as a model reaction have been investigated. The rate constant (k (7)) for the reactions of the peroxyl radical forming from MO with AMU and ATMU at 333 K in the medium of the substrate being oxidized has been measured. k (7) is (1.7 +/- 0.2) x 10(4) L mol(-1) s(-1) in the presence of AMU and (1.3 +/- 0.2) x 10(4) L mol(-1) s(-1) in the presence of ATMU. k (7) for MO oxidation in aqueous cetyltrimethylammonium bromide solution takes a much smaller value of (2.8 +/- 0.8) x 10(3) L mol(-1) s(-1).

引用

页码：125 / 131

页数：7

共 27 条

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