Hydration of α-pinene homogenous catalyzed by acidic polyether-modified ammonium salt ionic liquid in “microreactor”

Hydration of α-pinene homogenous catalyzed by acidic polyether-modified ammonium salt ionic... Water-soluble ionic liquids (ILs) with the nonionic polyether modified ammonium (Ac18 n ) as cation and [HSO4]−, [H2PO3]−, [PTSA]−, or [BF4]− as anion were synthesized and the critical solution temperature (CST) of these ILs in α-pinene were studied. The results showed that the new ILs ([Ac1820]+[HSO4]− and [Ac1820]+[H2PO4]−) were of CST in α-pinene at 80 °C. Then, the new ILs was applied in hydration of α-pinene as catalysts. During the process of reaction, catalysts would carry water molecules to phase of α-pinene and therefore to form the micro-group of water-in-oil. The micro-group is regarded as a micro-reactor for its acidic group, in which the catalytic reaction would have taken place homogeneously when the reaction temperature (T) is higher than CST. When the reaction completed (T < CST), the catalyst would precipitate out from the product, and be recycled efficiently. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Research on Chemical Intermediates Springer Journals

Hydration of α-pinene homogenous catalyzed by acidic polyether-modified ammonium salt ionic liquid in “microreactor”

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Publisher
Springer Netherlands
Copyright
Copyright © 2013 by Springer Science+Business Media Dordrecht
Subject
Chemistry; Catalysis; Physical Chemistry; Inorganic Chemistry
ISSN
0922-6168
eISSN
1568-5675
D.O.I.
10.1007/s11164-013-1355-1
Publisher site
See Article on Publisher Site

Abstract

Water-soluble ionic liquids (ILs) with the nonionic polyether modified ammonium (Ac18 n ) as cation and [HSO4]−, [H2PO3]−, [PTSA]−, or [BF4]− as anion were synthesized and the critical solution temperature (CST) of these ILs in α-pinene were studied. The results showed that the new ILs ([Ac1820]+[HSO4]− and [Ac1820]+[H2PO4]−) were of CST in α-pinene at 80 °C. Then, the new ILs was applied in hydration of α-pinene as catalysts. During the process of reaction, catalysts would carry water molecules to phase of α-pinene and therefore to form the micro-group of water-in-oil. The micro-group is regarded as a micro-reactor for its acidic group, in which the catalytic reaction would have taken place homogeneously when the reaction temperature (T) is higher than CST. When the reaction completed (T < CST), the catalyst would precipitate out from the product, and be recycled efficiently.

Journal

Research on Chemical IntermediatesSpringer Journals

Published: Aug 9, 2013

References

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