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Issue 15, 2018
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Sodium stannate promoted double bond cleavage of oleic acid by hydrogen peroxide over a heterogeneous WO3 catalyst

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Abstract

The production of valuable mono- and dicarboxylic acids from abundant and renewable vegetable oil sources is of great industrial interest. It is demonstrated by a simple and eco-friendly heterogeneous catalytic system for direct oleic acid (OA) cleavage by hydrogen peroxide to produce azelaic acid (AA) and nonanoic acid (NA). Commercially available tungsten oxide was used as a heterogeneous catalyst without any modification or pretreatment, and sodium stannate was used as a H2O2 stabilizer to improve the efficiency of the oxidant. The sodium stannate additive notably improved the product yields and it could be recycled together with the tungsten oxide catalyst. Isolated product yields up to 89% for azelaic acid and 65% for nonanoic acid were achieved from oleic acid in this simple system, which should be among the best results for oleic acid cleavage in heterogeneous systems. This strategy is also applicable for other catalytic systems for the cleavage of OA or its derivatives. This work provides a potential method for the large scale upgrading of oleic acid.

Graphical abstract: Sodium stannate promoted double bond cleavage of oleic acid by hydrogen peroxide over a heterogeneous WO3 catalyst

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Publication details

The article was received on 24 Mar 2018, accepted on 04 Jul 2018 and first published on 05 Jul 2018


Article type: Paper
DOI: 10.1039/C8GC00949J
Citation: Green Chem., 2018,20, 3619-3624
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    Sodium stannate promoted double bond cleavage of oleic acid by hydrogen peroxide over a heterogeneous WO3 catalyst

    X. Li, J. Choo Ping Syong and Y. Zhang, Green Chem., 2018, 20, 3619
    DOI: 10.1039/C8GC00949J

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