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Issue 7, 2013
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Intensification of TEMPO-mediated aerobic alcohol oxidations under three-phase flow conditions

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Abstract

Various homogeneous and heterogeneous catalytic systems based on 2,2,6,6-tetramethylpiperidine-1-oxyl (TEMPO) and different (co-)oxidants have been reported for the selective oxidation of alcohols. Herein we report the use of a commercially available silica-immobilized TEMPO catalyst, in combination with catalytic amounts of HNO3 as a NOx source under continuous three-phase flow conditions. First the stability of the catalyst was evaluated with benzyl alcohol and the reaction parameters were optimized. Subsequently different substrates were tested, focusing on the oxidation of renewable substrates like lactic acid and 5-hydroxymethylfurfural (HMF).

Graphical abstract: Intensification of TEMPO-mediated aerobic alcohol oxidations under three-phase flow conditions

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Publication details

The article was received on 21 Jan 2013, accepted on 07 May 2013 and first published on 05 Jun 2013


Article type: Paper
DOI: 10.1039/C3GC40159F
Green Chem., 2013,15, 1975-1980

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    Intensification of TEMPO-mediated aerobic alcohol oxidations under three-phase flow conditions

    C. Aellig, D. Scholz, S. Conrad and I. Hermans, Green Chem., 2013, 15, 1975
    DOI: 10.1039/C3GC40159F

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