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Issue 6, 2013
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A polymer analogous reaction for the formation of imidazolium and NHC based porous polymer networks†

Kerstin Thiel,*a   Rolf Zehbe,b   Jerômé Roeser,a   Peter Strauch,c   Stephan Enthalerd  and  Arne Thomasa  
Author affiliations

* Corresponding authors

a Technische Universität Berlin, Department of Chemistry, Functional Materials, Hardenbergstr. 40, 10623 Berlin, Germany
E-mail: kerstin-thiel@gmx.de

b Technische Universität Berlin, Department of Materials Science, Straße des 17, Juni 135, 10623 Berlin, Germany

c University Potsdam, Department of Chemistry, Inorganic Materials Chemistry, Karl-Liebknecht-Straße 24-25, 14476 Potsdam-Golm, Germany

d Technische Universität Berlin, Department of Chemistry, Straße des 17. Juni 135, 10623 Berlin, Germany

Abstract

A polymer analogous reaction was carried out to generate a porous polymeric network with N-heterocyclic carbenes (NHC) in the polymer backbone. Using a stepwise approach, first a polyimine network is formed by polymerization of the tetrafunctional amine tetrakis(4-aminophenyl)methane. This polyimine network is converted in the second step into polyimidazolium chloride and finally to a polyNHC network. Furthermore a porous Cu(II)-coordinated polyNHC network can be generated. Supercritical drying generates polymer networks with high permanent surface areas and porosities which can be applied for different catalytic reactions. The catalytic properties were demonstrated for example in the activation of CO2 or in the deoxygenation of sulfoxides to the corresponding sulfides.

Graphical abstract: A polymer analogous reaction for the formation of imidazolium and NHC based porous polymer networks

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Supplementary files

Article information

https://doi.org/10.1039/C2PY20947K
Submitted
08 Nov 2012
Accepted
30 Dec 2012
First published
07 Jan 2013
Polym. Chem., 2013,4, 1848-1856
Article type
Paper
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A polymer analogous reaction for the formation of imidazolium and NHC based porous polymer networks

K. Thiel, R. Zehbe, J. Roeser, P. Strauch, S. Enthaler and A. Thomas, Polym. Chem., 2013, 4, 1848
DOI: 10.1039/C2PY20947K

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