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Expanded ligands : bis(2,2′:6′,2″-terpyridine carboxylic acid)ruthenium(II) complexes as metallosupramolecular analogues of dicarboxylic acids

Constable, Edwin C. and Dunphy, Emma L. and Housecroft, Catherine E. and Neuburger, Markus and Schaffner, Silvia and Schaper, Frank and Batten, Stuart R.. (2007) Expanded ligands : bis(2,2′:6′,2″-terpyridine carboxylic acid)ruthenium(II) complexes as metallosupramolecular analogues of dicarboxylic acids. Dalton Transactions, 38. pp. 4323-4332.

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Official URL: http://edoc.unibas.ch/dok/A6056010

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Abstract

Ligands in which multiple metal-binding domains are linked by a metal-containing moiety rather than a conventional organic group are described as ``expanded ligands``. The use of 4,4`-difunctionalised Ru(tpy)(2) units provides a linear spacer between metal-binding domains and we have extended this motif to expanded ligands containing two carboxylic acid metal-binding domains. In this paper, we describe the synthesis and structural characterisation of ruthenium(II) complexes of 2,2`: 6`, 2``-terpyridine-4`-carboxylic acid and 4`-carboxyphenyl-2,2`: 6`, 2``-terpyridine. The ability of the ruthenium( II) centre to charge compensate deprotonation of the carboxylic acid leads to Zwitterionic complexes and three representative compounds have been structurally characterised.
Faculties and Departments:05 Faculty of Science > Departement Chemie > Chemie > Anorganische Chemie (Constable)
05 Faculty of Science > Departement Chemie > Chemie > Anorganische Chemie (Housecroft)
UniBasel Contributors:Constable, Edwin Charles and Housecroft, Catherine Elizabeth and Neuburger, Markus
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:Royal Society of Chemistry
ISSN:1477-9226
e-ISSN:1477-9234
Note:Publication type according to Uni Basel Research Database: Journal article
Identification Number:
Last Modified:12 Apr 2017 07:25
Deposited On:01 Feb 2013 08:40

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