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Published on: August 23, 2018
Ionic Liquids as Solvents for Rhodium and Platinum Catalysts Used in Hydrosilylation Reaction
Witold Zielinski1, Rafal Kukawka2,3, Hieronim Maciejewski4,5
1Poznan Science and Technology Park, Adam Mickiewicz University Foundation, 46 Rubież ST., 61-612 Poznań, Poland. witar6@gmail.com.
Abstract:
A group of imidazolium and pyridinium based ionic liquids has been synthetized, and their ability to dissolve and activate the catalysts used in hydrosilylation reaction of 1-octane and 1,1,1,3,5,5,5-heptamethyltrisiloxane was investigated. An organometallic catalyst as well as inorganic complexes of platinum and rhodium dissolved in ionic liquids were used, forming liquid solutions not miscible with the substrates or with the products of the reaction. The results show that application of such a simple biphasic catalytic system enables reuse of ionic liquid phase with catalysts in multiple reaction cycles reducing the costs and decreasing the amount of catalyst needed per mole of product.
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