Issue 4, 2009
From the journal:

New Journal of Chemistry

Metallo-gels and organo-gels with tripodal cyclotriveratrylene-type and 1,3,5-substituted benzene-type ligands†

Aleema Westcott,a   Christopher J. Sumby,‡a   Richard D. Walshawb  and  Michaele J. Hardie*a  

* Corresponding authors

a School of Chemistry, University of Leeds, Woodhouse Lane, Leeds, UK
E-mail: m.j.hardie@leeds.ac.uk
Fax: +44 (0)113 343 6565
Tel: +44 (0)113 343 6458

b Institute for Materials Research, University of Leeds, Woodhouse Lane, Leeds, UK

Abstract

The cyclotriveratrylene-type ligands tris(4-[4-methyl-2,2′-bipyridyl]methyl)cyclotriguaiacylene 1 and tris(isonicotinoyl)cyclotriguaiacylene 2 form metallo-gels with Cu(II) and Ag(I) (for 1 only), while tris(3-(3-pyridyl)-1-thiourea)cyclotriguaiacylene 3 is a low molecular weight gelator (LMWG) for 2,2,2-trifluoroethanol. Benzene-1,3,5-tricarboxylic acid tris(4-hydroxyquinoline) ester 4 is a LMWG for acetone, while 1,3,5-tris(2-quinoline-methoxyl)benzene 5 forms Cu(II) metallo-gels. All gels have fibrous structures and show different thermal behaviour. Aside from the hydrogen bonding organo-gel of 3, an important intermolecular interaction within these gels is likely to be π–π stacking interactions. Crystal structures of a geometric isomer of 4 and of a discrete [Ag2(5)2]2+ complex are also reported herein.

Graphical abstract: Metallo-gels and organo-gels with tripodal cyclotriveratrylene-type and 1,3,5-substituted benzene-type ligands

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Article information

DOI
https://doi.org/10.1039/B819352E
Article type
Paper
Submitted
03 Nov 2008
Accepted
14 Jan 2009
First published
12 Feb 2009

New J. Chem., 2009,33, 902-912

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Metallo-gels and organo-gels with tripodal cyclotriveratrylene-type and 1,3,5-substituted benzene-type ligands

A. Westcott, C. J. Sumby, R. D. Walshaw and M. J. Hardie, New J. Chem., 2009, 33, 902 DOI: 10.1039/B819352E

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