期刊
MOLECULES
卷 19, 期 3, 页码 3436-3449出版社
MDPI
DOI: 10.3390/molecules19033436
关键词
2,6-di-tert-butylphenol; hindered phenol; antioxidant; 1,3,4-oxadiazole; FRAP; DPPH
资金
- University of Malaya [RG149-11AFR, PS345-2009B]
- Ministry of Higher Education of Malaysia
Eleven new 2,6-di-tert-butyl-4-(5-aryl-1,3,4-oxadiazol-2-yl) phenols 5a-k were synthesized by reacting aryl hydrazides with 3,5-di-tert butyl 4-hydroxybenzoic acid in the presence of phosphorus oxychloride. The resulting compounds were characterized based on their IR, H-1-NMR, C-13-NMR, and HRMS data. 2,2-Diphenyl-1-picrylhydrazide (DPPH) and ferric reducing antioxidant power (FRAP) assays were used to test the antioxidant properties of the compounds. Compounds 5f and 5j exhibited significant free-radical scavenging ability in both assays.
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