Issue 1, 2003

A tri-armed sulfonamide host for selective binding of chloride

Abstract

An uncharged host 6 for selective binding of chloride is described. This host features a triazine–trione platform, three short side-arms which are conformationally preorganised relative to the platform, and p-nitrophenylsulfonamide groups for hydrogen-bonding to anions. Host 6 binds chloride with K ≈ 150 000 M−1 in CHCl3 and shows a chloride/nitrate selectivity of 102.

Graphical abstract: A tri-armed sulfonamide host for selective binding of chloride

Article information

Article type
Paper
Submitted
24 Jun 2002
Accepted
23 Sep 2002
First published
27 Nov 2002

New J. Chem., 2003,27, 172-177

A tri-armed sulfonamide host for selective binding of chloride

F. Hettche and R. W. Hoffmann, New J. Chem., 2003, 27, 172 DOI: 10.1039/B206125M

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