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Issue 8, 2018
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Microalgae lipids as a feedstock for the production of benzene

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Abstract

A two-step one-pot synthesis of benzene from the five-fold unsaturated fatty acid eicosapentaenoic acid (EPA), a component of microalgae oils, is presented. By a sequence of olefin metathesis and the catalytic dehydrogenation of the resulting 1,4-cyclohexadiene, two equivalents of benzene are effectively formed per EPA substrate molecule. As the only major by-products, 5-octenoic acid and 5-decenedioic acid are formed. Performing the dehydrogenation step under hydrogen pressure results in the formation of their saturated analogues, sebacic acid and octanoic acid, both desirable products, while the simultaneous dehydrogenation step to benzene is not hampered.

Graphical abstract: Microalgae lipids as a feedstock for the production of benzene

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Publication details

The article was received on 06 Feb 2018, accepted on 13 Mar 2018 and first published on 03 Apr 2018


Article type: Paper
DOI: 10.1039/C8GC00423D
Citation: Green Chem., 2018,20, 1874-1878
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    Microalgae lipids as a feedstock for the production of benzene

    D. Pingen, J. Zimmerer, N. Klinkenberg and S. Mecking, Green Chem., 2018, 20, 1874
    DOI: 10.1039/C8GC00423D

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