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Meeting Notice

ZUR OXIDATION VON THIOETHERN MIT HYPOCHLORIT

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Pages 5-11 | Received 18 Sep 1984, Published online: 13 Dec 2006
 

Abstract

The oxidation of thioethers with hypochlorite using a two phase system is investigated. The following parameters are varied: (a) the pH-value, (b) the concentration of hypochlorite (c) the participation of phase transfer catalysts (d) the structure of the thioethers and (e) the behaviour of the organic phase. The rate of the oxidation of thioethers in acetic esters is accelerated by the pH-decrease initiated by the hypochlorite catalyzed hydrolysis of the esters.

Die Oxidation von Thioethern mit Hypochlorit im Zweiphasensystem wird in Abhängigkeit von folgenden Parametern untersucht: (a) vom pH-Wert, (b) der Konzentration an Hypochlorit (c) unter Mitwir-kung von Phasentransfer-Katalysatoren (d) der Struktur der Thioether und (e) vom Verhalten der organischen Phase. Die Oxidation der Thioether verläuft in Essigsäureestern am schnellsten, verursacht durch eine von Hypochlorit katalysierte Esterspaltung, die über eine Absenkung des pH-Wertes zu einer Beschleunigung der Oxidation führt.

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