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Verfasst von:Bruchertseifer, Frank [VerfasserIn]   i
 Comba, Peter [VerfasserIn]   i
 Martin, Bodo [VerfasserIn]   i
 Morgenstern, Alfred [VerfasserIn]   i
 Notni, Johannes [VerfasserIn]   i
 Starke, Miriam [VerfasserIn]   i
 Wadepohl, Hubert [VerfasserIn]   i
Titel:First-generation bispidine chelators for 213BiIII radiopharmaceutical applications
Verf.angabe:Frank Bruchertseifer, Peter Comba, Bodo Martin, Alfred Morgenstern, Johannes Notni, Miriam Starke, and Hubert Wadepohl
Jahr:2020
Umfang:10 S.
Fussnoten:First published: 02 July 2020 ; Im Titel ist 213 und III bei "Bi" hochgestellt ; Gesehen am 05.11.2021
Titel Quelle:Enthalten in: ChemMedChem
Ort Quelle:Weinheim : Wiley-VCH, 2006
Jahr Quelle:2020
Band/Heft Quelle:15(2020), 16, Seite 1591-1600
ISSN Quelle:1860-7187
Abstract:Hepta- and octadentate bispidines (3,7-diazabicyclo[3.3.1]nonane, diaza-adamantane) with acetate, methyl-pyridine, and methyl-picolinate pendant groups at the amine donors of the bispidine platform have been prepared and used to investigate BiIII coordination chemistry. Crystal structure and solution spectroscopic data (NMR spectroscopy and mass spectrometry) confirm that the rigid and relatively large bispidine cavity with an axially distorted geometry is well suited for BiIII and in all cases forms nine-coordinate complexes; this is supported by an established hole size and shape analysis. It follows that nonadentate bispidines probably will be more suited as bifunctional chelators for 213BiIII-based radiopharmaceuticals. However, two isomeric picolinate-/acetate-based heptadentate ligands already show very efficient complexation kinetics with 213BiIII at ambient temperature and kinetic stability that is comparable with the standard ligands used in this field. The experimentally determined hydrophilicities (log D7.4 values) show that the BiIII complexes reported are relatively hydrophilic and well suited for medicinal applications. We also present a very efficient and relatively accurate method to compute charge distributions and hydrophilicities, and this will help to further optimize the systems reported here.
DOI:doi:10.1002/cmdc.202000361
URL:kostenfrei: Volltext: https://doi.org/10.1002/cmdc.202000361
 kostenfrei: Volltext: https://onlinelibrary.wiley.com/doi/abs/10.1002/cmdc.202000361
 DOI: https://doi.org/10.1002/cmdc.202000361
Datenträger:Online-Ressource
Sprache:eng
K10plus-PPN:1776282841
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