Liquid-phase oxidation of sulfides by an aluminum (and titanium) tert-butoxide—tert-butyl hydroperoxide system

被引：0
作者：
V. A. Dodonov
E. A. Zaburdaeva
L. P. Stepovik
机构：
[1] N. I. Lobachevsky Nizhny Novgorod State University,
来源：
Russian Chemical Bulletin | 2004年 / 53卷
关键词：
sulfides; sulfones; aluminum and titanium ; -butoxides; -butyl hydroperoxide; oxidation; metal-containing trioxides; electron-excited dioxygen;
D O I：
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学科分类号：
摘要：
A system aluminum (and titanium) tert-butoxide—tert-butyl hydroperoxide (1 : 2) under mild conditions (20 °C, 1 h) oxidizes aliphatic and alkylaromatic sulfides and diphenyl sulfide to the corresponding sulfones in yields close to ∼100%. The oxidation is induced by electron-excited dioxygen formed upon thermal decomposition of intermediate metal-containing peroxy trioxides (ozonides). The latter are formed as a result of the reversible reaction of aluminum or titanium tert-butoxides with tert-butyl hydroperoxide followed by the interaction of di-tert-butoxy-tert-butylperoxyaluminum and tri-tert-butoxy-tert-butylperoxytitanium that formed with another ButOOH molecule. Aluminum-containing peroxide (ButO)2AlOOBut oxidizes sulfides to sulfoxides.
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页码：1729 / 1734
页数：5
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