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Synthesis 2011(18): 3032-3036  
DOI: 10.1055/s-0030-1260137
PAPER
© Georg Thieme Verlag Stuttgart ˙ New York

Synthesis of Novel Phasmidic, Gemini-Type Bisimidazolium Salts

Jan H. Poradaa,b, Markus Mansuetoa, Sabine Laschat*a, Cosima Stubenrauchb, Frank Giesselmannb
a Institut für Organische Chemie, Universität Stuttgart, Pfaffenwaldring 55, 70569 Stuttgart, Germany
b Institut für Physikalische Chemie, Universität Stuttgart, Pfaffenwaldring 55, 70569 Stuttgart, Germany
Fax: +49(711)68564285; e-Mail: sabine.laschat@oc.uni-stuttgart.de;
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Publikationsverlauf

Received 31 May 2011
Publikationsdatum:
25. Juli 2011 (online)

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Abstract

New bisimidazolium salts based on pyrogallol with flexible ethyl and p-xylyl spacers and with a series of different counter­ions were prepared. ¹H NMR studies showed a good linear correlation of the chemical shift with the radius of the anion.

Key words

ionic liquid - heterocycles - substituent effects - spectroscopy - halogens

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1

These authors contributed equally to this manuscript.