Recycling of a homogeneous catalyst using switchable water

Aqueous/organic biphasic catalysis allows easy separation of a homogeneous catalyst from product, but is often inefficient when hydrophobic substrates are used. A system based on switchable water is monophasic in the absence of CO sub(2) and biphasic in its presence. Catalysis can be performed in th...

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Bibliographic Details
Published inCatalysis science & technology Vol. 2; no. 7; pp. 1315 - 1318
Main Authors Mercer, Sean M., Robert, Tobias, Dixon, Daniel V., Jessop, Philip G.
Format Journal Article
LanguageEnglish
Published 01.01.2012
Subjects
Carbon dioxide
Catalysis
Catalysts
Recycled
Recycling
Separation
Solvents
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Summary:Aqueous/organic biphasic catalysis allows easy separation of a homogeneous catalyst from product, but is often inefficient when hydrophobic substrates are used. A system based on switchable water is monophasic in the absence of CO sub(2) and biphasic in its presence. Catalysis can be performed in the monophasic solvent, and then switched to a biphasic system, separating catalyst from product. Removal of CO sub(2) allows for easy recycling of the catalyst. Hydroformylations have been achieved using this solvent system. The catalyst was recycled several times with minimal loss of activity.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
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ISSN:2044-4753
2044-4761
DOI:10.1039/c2cy20095c