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Issue 5, 2006
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Pyridinium CH⋯anion and π-stacking interactions in modular tripodal anion binding hosts: ATP binding and solid-state chiral induction

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Abstract

The preparation of two new tripodal ‘pinwheel’ type anion hosts based on a triethylbenzene core and bipyridinium or ethylnicotinium arms is reported. The new materials bind anions via CH⋯anion interactions. Complexes with Br and PF6 have been characterised by X-ray crystallography as both solvates in a pure form. In the bipyridinium host CH⋯F interactions to PF6 induce a chiral C3 symmetric conformation that is disrupted in the hydrate. The compound is also selective for ATP2− in aqueous acetonitrile.

Graphical abstract: Pyridinium CH⋯anion and π-stacking interactions in modular tripodal anion binding hosts: ATP binding and solid-state chiral induction

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Article information


Submitted
11 Nov 2005
Accepted
04 Jan 2006
First published
25 Jan 2006

Org. Biomol. Chem., 2006,4, 781-786
Article type
Paper

Pyridinium CH⋯anion and π-stacking interactions in modular tripodal anion binding hosts: ATP binding and solid-state chiral induction

W. J. Belcher, M. Fabre, T. Farhan and J. W. Steed, Org. Biomol. Chem., 2006, 4, 781
DOI: 10.1039/B516027H

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