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Dalton Trans. 2012 Apr 28;41(16):4884-9. doi: 10.1039/c2dt12410f. Epub 2012 Mar 8.

Inclusion controlled lanthanide-imidazolium functionalised carboxylate complexation.

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  • 1Chemistry Department, Faculty of Science, University of Malaya, 50603 Kuala Lumpur, Malaysia.


Imidazolium functionalized carboxylic acid forms a multi-component material with p-sulfonatocalix[4]arene and aquated lanthanide ions, stabilising dinuclear metal complexes for Y(3+) and Gd(3+). These have the simplest binding of two bridging carboxylates between the two metal centres (Y(3+)), or the same arrangement along with the simplest binding of one carboxylate bridging two metal ions for the larger metal ion (Gd(3+)).

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