T.T. thanks the Alexander von Humboldt Foundation for a research fellowship. We thank Prof. Dr. W. Mader for technical assistance (TEM). Financial support from the DFG (SFB 624 “Templates”) is gratefully acknowledged.
Pyridine-Bridged Benzimidazolium Salts: Synthesis, Aggregation, and Application as Phase-Transfer Catalysts†
Article first published online: 6 AUG 2008
Copyright © 2008 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
Angewandte Chemie International Edition
Volume 47, Issue 37, pages 7127–7131, September 1, 2008
How to Cite
Tu, T., Assenmacher, W., Peterlik, H., Schnakenburg, G. and Dötz, K. (2008), Pyridine-Bridged Benzimidazolium Salts: Synthesis, Aggregation, and Application as Phase-Transfer Catalysts. Angew. Chem. Int. Ed., 47: 7127–7131. doi: 10.1002/anie.200801628
- Issue published online: 27 AUG 2008
- Article first published online: 6 AUG 2008
- Manuscript Received: 7 APR 2008
- Alexander von Humboldt Foundation
- DFG. Grant Number: SFB 624
- benzimidazolium salts;
- phase-transfer catalysis;
Simply structured benzimidazolium salts efficiently gelate a variety of polar organic solvents. π-Stacking, hydrogen bonding, and van der Waals interactions are responsible for the self-assembly process. A packing model is deduced from the single crystal structure of gelator 1. Fiber aggregates of benzimidazolium salts in acetonitrile are efficient phase-transfer catalysts (PTCs) for N-alkylation.