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  1. 1 Polish Journal of Chemical Technology

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  1. 1 2013

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  1. 1 Janus E.

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Lewis acids immobilized in ionic liquid – application for the acetal synthesis

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Janus E.
Polish Journal of Chemical Technology
|
2013
|
vol. 15
|
issue 3
78-80
EN
Catalytic systems composed of metal chloride (InCl3, ScCl3, YCl3, YbCl3, LaCl3, BiCl3, ZnCl3 and CuCl3) and 1-butyl-1-methylpyrrolidinium bis(trifluoromethylsulfonyl)-imide, [C1C4Pyrr][NTf2] as ionic liquid were prepared. Catalytic activity of all the systems were compared in acetalization reaction between cyclohexanone and triethyl orthoformate. 1,1-Diethoxycyclohexane were formed with high yield and the selectivity at 0°C within 5 minutes. Selected metal chlorides immobilized in ionic liquid were recycled 5 times without a decrease in their activities
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