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Catalysts 2013, 3(4), 914-921; doi:10.3390/catal3040914

An Ionic Liquid Solution of Chitosan as Organocatalyst

Organic Chemistry, Department of Chemistry, University of Paderborn, Warburgerstr. 100, 33098 Paderborn, Germany
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Received: 29 August 2013 / Revised: 9 October 2013 / Accepted: 24 October 2013 / Published: 11 November 2013
(This article belongs to the Special Issue Ionic Liquids in Catalysis)
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Abstract

Chitosan, which is derived from the biopolymer chitin, can be readily dissolved in different ionic liquids. The resulting homogeneous solutions were applied in an asymmetric Aldol reaction. Depending on the type of ionic liquid used, high asymmetric inductions were found. The influence of different additives was also studied. The best results were obtained in [BMIM][Br] without an additive.
Keywords: ionic liquids; chitosan; Aldol reaction ionic liquids; chitosan; Aldol reaction
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Heckel, T.; Konieczna, D.D.; Wilhelm, R. An Ionic Liquid Solution of Chitosan as Organocatalyst. Catalysts 2013, 3, 914-921.

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