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Issue 108, 2016
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Oxidation mechanism of molecular oxygen over cyclohexene catalyzed by a cobalt L-glutamic acid complex

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Abstract

Herein, we introduce a new strategy towards the cyclohexene oxidation reaction, which is driven by molecular oxygen with a cobalt(II)/amine acid complex as the catalyst without any solvents. The as-prepared products include cyclohexene oxide, 2-cyclohexene-1-ol and 2-cyclohexene-1-one. Under optimized conditions, the oxidation of cyclohexene with molecular oxygen yields a conversion rate of 82.5%. Notably, the catalytic oxidation system has the advantages of being clean, safe and operationally simple. Our experiment indicates that the oxidation follows a radical-chain mechanism rather than a catalytic mechanism, which reveals that 2-cyclohexene-1-hydroperoxide could play a key role in the free-radical chain reaction through a complicated but necessary product analysis.

Graphical abstract: Oxidation mechanism of molecular oxygen over cyclohexene catalyzed by a cobalt l-glutamic acid complex

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Publication details

The article was received on 22 Sep 2016, accepted on 18 Oct 2016 and first published on 18 Oct 2016


Article type: Paper
DOI: 10.1039/C6RA23598K
Citation: RSC Adv., 2016,6, 107104-107108
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    Oxidation mechanism of molecular oxygen over cyclohexene catalyzed by a cobalt L-glutamic acid complex

    Y. N. Wei, H. Li, F. Yue, Q. Xu, J. D. Wang and Y. Zhang, RSC Adv., 2016, 6, 107104
    DOI: 10.1039/C6RA23598K

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