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Synthesis 2003(15): 2400-2404  
DOI: 10.1055/s-2003-41071
PAPER
© Georg Thieme Verlag Stuttgart · New York

Synthesis of Functionalized Fluorescent Europium(III) Terpyridyl Chelates

Valery N. Kozhevnikov*a, Dmitry N. Kozhevnikova, Vladimir L. Rusinova, Oleg N. Chupakhina, Burkhard König*b
a Urals State Technical University, 620002, Ekaterinburg, Russia
Fax: 49(941)9431717; e-Mail: kozhevnikov_v@htf.ustu.ru;
b Institut für Organische Chemie, Universität Regensburg, 93040 Regensburg, Germany
e-Mail: Burkhard.Koenig@chemie.uni-regensburg.de;
Further Information

Publication History

Received 25 June 2003
Publication Date:
25 September 2003 (online)

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Abstract

The synthesis of substituted terpyridines via triazine intermediates is described. The intermediates allow the facile introduction of cyano groups, which are converted into amino diacetic acid moieties. Together with the terpyridine nitrogen atoms they shield coordinated europium(III) ions completely from the solvent. The terpyridines may be further functionalized for specific applications using ligands, bromo substituents, and standard transition metal mediated coupling methods. This makes the title compounds valuable intermediates for the preparation of luminescent probes in biochemistry, medicinal diagnostics or materials science.

Key words

heterocycles - pyridines - Diels-Alder reaction - ligands - lanthanide

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