Experimental and theoretical investigations of the antioxidant activity of 2,2′-methylenebis(4,6-dialkylphenol) compounds

被引：6

作者：

Al Zoubi, Wail ^{[1
]}

Karabet, Francois ^{[2
]}

Al Bandakji, Rana ^{[2
]}

Hussein, Khansaa ^{[2
]}

机构：

[1] Yeungnam Univ, Plast Control & Mech Modeling Lab, Sch Mat Sci & Engn, Gyongsan 38541, South Korea

[2] Damascus Univ, Fac Sci, Dept Chem, Damascus, Syria

来源：

APPLIED ORGANOMETALLIC CHEMISTRY | 2017年 / 31卷 / 02期

关键词：

antioxidants; dimethoxymethane; diphenylpicrylhydrazyl; DFT calculations; EXTRACTS;

D O I：

10.1002/aoc.3562

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

The antioxidant activity of two primary antioxidants, 2,2'-methylenebis(4-methyl-6-tert- butylphenol) (MMBPH2) and 2,2'-methylenebis(4,6-di-tert-butylphenol) (MDBPH2), has been studied using the 1,1-diphenyl-2-picrylhydrazyl (DPPH) method. The synthesized compounds have been successfully characterized systematically using elemental analyses, infrared, H-1 NMR and C-13 NMR spectra and GC-MS. Importantly, it has been found that the compound MMBPH2 in particular is more active in DPPH radical scavenging. In addition, density functional theory calculations (B3LYP) have been used to predict the antioxidant activity and predict structural geometries of the compounds in the gas phase.

引用

页数：5

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