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Modification of Biobased Lipophilic Î’-Diketone

Author

Listed:
  • Kaana Asemave

    (Department of Chemistry, Benue State University, Makurdi - Nigeria)

  • Andrew J Hunt
  • Thomas J Farmer
  • James H Clark

    (University of York, United Kingdom)

Abstract

A biobased lipophilic β-diketone (14, 16-hentriacontanedione, Htd) was isolated from wheat straw wax. The Htd was then modified under KF/alumina mediated Michael addition reaction in a solvent less condition with methyl acrylate and dimethyl itaconate using microwave and conventional heating. Methyl acrylate formed single and double addition with the β-diketone, while the dimethyl itaconate formed only single addition. The optimal temperature for this reaction was 120 OC. The modification was also dependent on the amount of KF/alumina used and the time of reaction. The modification using microwave and traditional heating showed marginal differences, with a slight preference towards the microwave process. The recovery yield for the methyl acrylate modified β-diketone (Ma) of 60% was higher than the 20% recovery yield of dimethyl itaconate modified β-diketone (Ita). These biobased chemicals could find use as Green metals chelators and surfactants.

Suggested Citation

  • Kaana Asemave & Andrew J Hunt & Thomas J Farmer & James H Clark, 2018. "Modification of Biobased Lipophilic Î’-Diketone," Organic & Medicinal Chemistry International Journal, Juniper Publishers Inc., vol. 7(1), pages 9-14, May.
    • Handle: RePEc:adp:jomcij:v:7:y:2018:i:1:p:9-14
    DOI: 10.19080/OMCIJ.2018.07.555703
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