Issue 12, 2001
From the journal:

Journal of the Chemical Society, Perkin Transactions 2

Chromium(vi) oxide–tert-butyl hydroperoxide interactions: evidence for a tert-butylperoxychromium complex and its role in the catalytic oxidation of alcohols

Stepan Boitsov,ab   Jon Songstadb  and  Jacques Muzart*a  

* Corresponding authors

a Unité Mixte de Recherche “Réactions Sélectives et Applications”, CNRS - Université de Reims Champagne-Ardenne, B.P. 1039, F-51687 Reims Cedex 2, France
E-mail: jacques.muzart@univ-reims.fr

b Department of Chemistry, University of Bergen, Allégt. 41, Bergen, N-5007, Norway

Abstract

Based upon UV–visible and NMR spectroscopic studies in benzotrifluoride (BTF, α,α,α-trifluorotoluene) it has been shown that the purple colored species obtained from the reaction of t-BuOOH with CrO3 is a tert-butylperoxychromium complex, preferably formulated as (t-BuOO)(HO)CrO2. This complex, which is more stable in aromatic solvents than in haloalkanes, decomposes with time into tert-butylchromate. This transformation is greatly accelerated by the addition of benzyl alcohol. A catalytic cycle for the oxidation of alcohols is proposed.

Graphical abstract: Chromium(vi) oxide–tert-butyl hydroperoxide interactions: evidence for a tert-butylperoxychromium complex and its role in the catalytic oxidation of alcohols

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Article information

DOI
https://doi.org/10.1039/B105424B
Article type
Paper
Submitted
20 Jun 2001
Accepted
28 Sep 2001
First published
05 Nov 2001

J. Chem. Soc., Perkin Trans. 2, 2001, 2318-2323

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Chromium(VI) oxide–tert-butyl hydroperoxide interactions: evidence for a tert-butylperoxychromium complex and its role in the catalytic oxidation of alcohols

S. Boitsov, J. Songstad and J. Muzart, J. Chem. Soc., Perkin Trans. 2, 2001, 2318 DOI: 10.1039/B105424B

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