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Towards one-pot synthesis of menthols from citral: Modifying Supported Ionic Liquid Catalysts (SILCAs) with Lewis and Brønsted acids
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2009 (English)In: Journal of Catalysis, Vol. 263, no 2, 209-19 p.Article in journal (Refereed) Published
Abstract [en]

The use of ionic liquids in catalysis is attracting ever more attention in chemical engineering. In line with this research we have studied Supported Ionic Liquid Catalysts (SILCAs) which consist of immobilized catalytic species, e.g. transition metal particles residing in an ionic liquid layer immobilized on a solid support. We found out that dissolution of Lewis or Brønsted acids into the ionic liquid layer of SILCA has major effects to the activity as well as the product distribution of the catalyst in citral transformation reactions. In fact, one-pot synthesis of menthols from citral was accomplished. The effects of different amounts of added Lewis and/or Brønsted acids to SILCA (one of them or both) were studied in this work.

Graphical abstract

Supported Ionic Liquid Catalyst (SILCA) was modified with different Lewis and Brønsted acids and the effects of different acids to the catalyst activity and product selectivity in a reaction of menthols from citral was evaluated.

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Place, publisher, year, edition, pages
Elsevier Inc , 2009. Vol. 263, no 2, 209-19 p.
Keyword [en]
Catalysis, Catalyst modification, Ionic liquids, Multiphase reactions, One-pot synthesis, Supported Ionic Liquid Catalyst (SILCA)
URN: urn:nbn:se:umu:diva-21190DOI: 10.1016/j.jcat.2009.02.005OAI: diva2:210919
Available from: 2009-04-07 Created: 2009-04-07 Last updated: 2009-11-24Bibliographically approved

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Mikkola, Jyri-Pekka
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