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Oxidation of secondary alcohols using solid-supported hypervalent iodine catalysts

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Abstract

It is shown how secondary alcohols are oxidized to provide the corresponding ketones by use of Oxone® and solid-supported hypervalent iodine catalysts. Under experimentally simple conditions with acetonitrile at elevated temperatures, excellent conversions were achieved with low catalyst loadings (0.2–5 mol%) when employing the conjugates 5 and 6 derived from IBX and IBS. The catalysts are broadly applicable to a range of alcohol substrates. Of primary importance with respect to sustainability issues, the metal-free catalysts are easily removed from the reaction mixture through filtration, and they can be re-used in oxidation processes for multiple times, without loss of catalytic activity.

Graphical abstract: Oxidation of secondary alcohols using solid-supported hypervalent iodine catalysts

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Publication details

The article was received on 26 Jul 2019, accepted on 25 Sep 2019 and first published on 03 Oct 2019


Article type: Paper
DOI: 10.1039/C9GC02605C
Green Chem., 2019, Advance Article
  • Open access: Creative Commons BY-NC license
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    Oxidation of secondary alcohols using solid-supported hypervalent iodine catalysts

    F. Ballaschk and S. F. Kirsch, Green Chem., 2019, Advance Article , DOI: 10.1039/C9GC02605C

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