2003
DOI: 10.1016/j.bmc.2003.07.002
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A novel series of complexones with bis- or biazole structure as mixed ligands of paramagnetic contrast agents for MRI

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Cited by 11 publications
(3 citation statements)
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“…Complexes containing multiple gadolinium(iii) chelate units designed as bloodpool contrast agents have been reported by Martin et al [28] More recently, heterocyclic complexones containing two pyrazole rings and two iminodiacetic units per molecule have been shown to bind two gadolinium(iii) ions. [29] Although the observed relaxivity was improved significantly relative to [Gd(DTPA)] and [Gd(DOTA)], the thermodynamic stability of the complexes was low, probably because of only tetradentate coordination around the gadolinium(iii) ion.…”
mentioning
confidence: 96%
“…Complexes containing multiple gadolinium(iii) chelate units designed as bloodpool contrast agents have been reported by Martin et al [28] More recently, heterocyclic complexones containing two pyrazole rings and two iminodiacetic units per molecule have been shown to bind two gadolinium(iii) ions. [29] Although the observed relaxivity was improved significantly relative to [Gd(DTPA)] and [Gd(DOTA)], the thermodynamic stability of the complexes was low, probably because of only tetradentate coordination around the gadolinium(iii) ion.…”
mentioning
confidence: 96%
“…In a similar fashion, Mayoral et al [20] described a novel family of chelating agents 17 containing bi-and bis-pyrazole structure, which form double tetradentate complexes with Gd(III). They exhibited a larger relaxivity in a range of 13.8-37.0 s -1 mM -1 (60 MHz and 37 ºC), even compared to dendrimers with numerous metallic centers ( Figure 3).…”
Section: Cas Derived From Acyclic Ligandsmentioning
confidence: 99%
“…Οι E.P. Mayoral et al[244] πρότειναν τη χρήση ετεροκυκλικών, περιεχόντων άζωτο, υποκαταστατών για τη σύνθεση αντιδραστηρίων αντίθεσης. Η πρώτη γενιά τέτοιων συμπλόκων (Σχήμα 5.7(1-4)) περιείχαν μία μόνο ομάδα iminodiacetic acid και έναν αζολικό δακτύλιο.…”
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