Maleimido-functionalized NOTA derivatives as bifunctional chelators for site-specific radiolabeling |
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Authors: | Förster Christian Schubert Maik Pietzsch Hans-Jürgen Steinbach Jörg |
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Institution: | Institute of Radiopharmacy, Helmholtz-Zentrum Dresden-Rossendorf, P.O. Box 510119, Dresden 01314, Germany. c.foerster@hzdr.de |
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Abstract: | Two basic and simple synthetic routes for mono- and bis-maleimide bearing 1,4,7-triazacyclononane-N,N',N'-triacetic acid (NOTA) chelators as new bifunctional chelators are described. The syntheses are characterized by their simplicity and short reaction times, as well as practical purification methods and acceptable to very good chemical yields. The usefulness of these two synthetic pathways is demonstrated by the preparation of a set of mono- and bis-maleimide functionalized NOTA derivatives. In conclusion, these two methods can easily be expanded to the syntheses of further tailored maleimide-NOTA chelators for diverse applications. |
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