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Towards a new attenuating compound: a potentiometric, spectrophotometric and NMR equilibrium study on Fe(III), Al(III) and a new tetradentate mixed bisphosphonate-hydroxypyridinonate ligand.

Abstract：

:Coordination properties toward Fe(III) and Al(III) of a mixed bisphosphonate-hydroxypyridinonate ligand are presented. Potentiometric, spectrophotometric and NMR results allowed to conclude that Fe(III) and Al(III) coordination takes place on the pyridinone moiety. The high steric hindrance prevents the possibility of simultaneous coordination of both groups to the same metal ion. Quantum mechanical calculations confirm this finding allowing to determine the minimal length of the linker necessary for a stable conformation of complexes in which Fe(III) is coordinated both by pyridinone and bisphosphonate groups.

journal_name

J Inorg Biochem

journal_title

Journal of inorganic biochemistry

authors

Crisponi G,Nurchi VM,Pivetta T,Gałezowska J,Gumienna-Kontecka E,Bailly T,Burgada R,Kozłowski H

doi

10.1016/j.jinorgbio.2008.01.010

subject

Has Abstract

pub_date

2008-07-01 00:00:00

pages

1486-94

issue

7

eissn

0162-0134

issn

1873-3344

pii

S0162-0134(08)00039-1

journal_volume

102

pub_type

杂志文章

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