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Rigid HOCTAPA derivatives as model chelators for the development of Bi(III)-based radiopharmaceuticals. | LitMetric

Rigid HOCTAPA derivatives as model chelators for the development of Bi(III)-based radiopharmaceuticals.

Chem Commun (Camb)

Universidade da Coruña, Centro de Investigacións Científicas Avanzadas (CICA) and Departamento de Química, Facultade de Ciencias, 15071, A Coruña, Galicia, Spain.

Published: March 2023

AI Article Synopsis

Article Abstract

Octadentate ligands containing ethyl (HOCTAPA), cyclohexyl (HOCTAPA) or cyclopentyl (HOCTAPA) spacers were assessed as chelators for Bi(III)-based radiopharmaceuticals. The HOCTAPA chelator displays excellent properties, including Bi-nuclide radiolabelling under mild conditions, excellent stability in serum and in the presence of competing cations or HDTPA. The poor performance of HOCTAPA appears to be related to the stereochemical activity of the Bi(III) lone pair.

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Source
http://dx.doi.org/10.1039/d2cc06876aDOI Listing

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