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Supramolecular Chemistry Volume 20, 2008 - Issue 7
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Original Articles

Anion binding by pyrrole–pyridine-based macrocyclic polyamides

E.A. Katayev A. N. Nesmeyanov Institute of Organoelement Compounds RAS, Moscow, RussiaCorrespondence[email protected]
,
E.N. Myshkovskaya A. N. Nesmeyanov Institute of Organoelement Compounds RAS, Moscow, Russia
,
N.V. Boev A. N. Nesmeyanov Institute of Organoelement Compounds RAS, Moscow, Russia
&
V.N. Khrustalev A. N. Nesmeyanov Institute of Organoelement Compounds RAS, Moscow, Russia
Pages 619-624 | Received 15 May 2007, Accepted 01 Oct 2007, Published online: 01 Oct 2008
 
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Abstract

The synthesis, characterisation and anion-binding properties of new pyrrole–pyridine-based macrocyclic polyamides 7a and 7b are presented. Chloride anion templation in the macrocyclisation reaction has been shown to control [1 + 1] acylation. The anion-binding properties of the receptors have been determined by UV–vis titrations in a DMSO solution and compared with systems with a similar design. The new receptors have been found to display a 10-fold selectivity for hydrogensulphate, dihydrogenphosphate and acetate anions over other anions studied.

Acknowledgements

Financial Support from Russian Foundation for Basic Research (grants no. 05-03-32684 and 05-03-08017) is acknowledged.

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