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Issue 18, 2013
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A metal-free, one-pot method for the oxidative cleavage of internal aliphatic alkenes into carboxylic acids

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Abstract

The oxidative cleavage of terpenes and unsaturated fatty acids into carbonyl compounds is an industrially interesting reaction. We have developed a metal-free protocol that can oxidatively cleave unsaturated fatty acids, terpenes and a variety of other alkenes into carboxylic acids in a synthetically straightforward, one-pot protocol. Near stoichiometric amounts of a combination of oxone and periodate are used in aqueous acetonitrile without additional additives, acids or emulsifiers. The solvent system and the reaction temperature have a profound influence on the reactivity of the substrates; conditions have been optimized for a broad scope of alkenes. The products can be isolated by simple extraction with an organic solvent without additional purification: the carboxylic acids are obtained in high yield (80–96%) as colourless solid or liquid products.

Graphical abstract: A metal-free, one-pot method for the oxidative cleavage of internal aliphatic alkenes into carboxylic acids

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Publication details

The article was received on 22 Jan 2013, accepted on 06 Feb 2013 and first published on 08 Feb 2013


Article type: Paper
DOI: 10.1039/C3RA40324F
Citation: RSC Adv., 2013,3, 6606-6613

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    A metal-free, one-pot method for the oxidative cleavage of internal aliphatic alkenes into carboxylic acids

    P. Spannring, P. C. A. Bruijnincx, Bert. M. Weckhuysen and R. J. M. K. Gebbink, RSC Adv., 2013, 3, 6606
    DOI: 10.1039/C3RA40324F

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