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

被引：7

作者：

Dodonov, VA ^{[1
]}

Zaburdaeva, EA ^{[1
]}

Stepovik, LP ^{[1
]}

机构：

[1] NI Lobachevskii State Univ, Nizhnii Novgorod 603950, Russia

来源：

RUSSIAN CHEMICAL BULLETIN | 2004年 / 53卷 / 08期

关键词：

sulfides; sulfones; aluminum and titanium tert-butoxides; tert-butyl hydroperoxide; oxidation; metal-containing trioxides; electron-excited dioxygen;

D O I：

10.1007/s11172-005-0026-9

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A system aluminum (and titanium) tert-butoxide-tert-butyl hydroperoxide (I : 2) under mild conditions (20degreesC, 1h) oxidizes aliphatic and alkylaromatic sulfides and diphenyl sulf-ide to the corresponding sulfones in yields close to similar to100%. The oxidation is induced by electronexcited 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-tertbutoxy-tert-butylperoxyaluminum and tri-tert-butoxy-tert-butylperoxytitanium that formed with another (BuOOH)-O-t molecule. Aluminum-containing peroxide ((BuO)-O-t)(2)AlOOBut oxidizes sulfides to sulfoxides.

引用

页码：1729 / 1734

页数：6

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