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Autor:
M. H. Arief, M. H. Zidane, Sayed K. Attia, Ashraf M. Ashmawy, Maher I. Nessim, W. I. El-Dougdoug
Publikováno v:
Petroleum Chemistry. 61:1275-1287
Novel azophenols (AP) were used as additives to improve the oxidation of a base oil. Two different azo phenol compounds, 2-(tert-butyl)-4-(p-tolyldiazenyl) phenol (1a) and 4-((4-bromophenyl) diazenyl)-2-(tert-butyl)phenol (1b) were prepared and chara