Publikationsrepositorium - Helmholtz-Zentrum Dresden-Rossendorf
1 PublikationSynthesis and application of a thiol-reactive HBED-type chelator for development of easy-toproduce Ga-radiopharmaceutical kits and imaging probes
Klika, K.; Da, P. C.; Kopka, K.; Smith, G.; Makarem, A.
Abstract
In radiopharmaceutical syntheses, maleimide is commonly used for linking thiol-bearing bioactive molecules to metal-complexing ligands (chelators). However, due to instability of the resulting linkage, phenyloxadiazolyl methylsulfone (PODS) was developed as an alternative to maleimide. This coupling strategy has never been attempted with HBED which is a powerful chelator for gallium-radiolabeling especially at ambient temperature. Here we present HBED-CC-PODS as a bifunctional chelator scaffold for the site-selective conjugation of thiol-bearing vectors and [68Ga]Ga-radiolabeling.
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Organic & Biomolecular Chemistry 19(2021)8, 1722
DOI: 10.1039/d0ob02513e
Cited 10 times in Scopus
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Permalink: https://www.hzdr.de/publications/Publ-32385