Article abstract of DOI:10.1080/10426500008042097

Two original acid derivatives of methylene diphosphonic acid (MDP) with two inequivalent phosphorus atoms have been synthesised: [(thiophosphonato)-methyl] phosphonic acid, (MDPS), and [(isopropylamido phosphonato)-methyl] phosphonic acid, (MDPN). A potentiometric study allowed to define the stoechiometry of the complex formed between MDP and magnesium (II) in alcaline medium and a ³¹P NMR study proved the dissymetric structure of this MDPMg²⁺ complex. The displacement of the coordination equilibrium between Black Eriochrome T and magnesium (II) permitted to compare the coordination strength of MDP, MDPS and MDPN with the cation Mg²⁺.

Full text of DOI:10.1080/10426500008042097

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Phosphorus, Sulfur, and Silicon
and the Related Elements
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SYNTHÈSE ET ÉTUDE
COMPARÉE DES PROPRIÉTÉS
COMPLEXANTES DE DÉRIVÉS
DE L'ACIDE METHYLÈNE
DIPHOSPHONIQUE
a
b
a
M. Étienne , P. Rubini , J. Bessière , A. Walcarius
a
c
c
,
C. Grison & Ph. Coutrot
a
Laboratoire de Chimie Physique pour
l'Environnement, UMR 7564 CNRS , Université Henri
Poincaré , Nancy I, BP 239, 54506, Vandoeuvre-lès-
Nancy Cédex, France
b
Laboratoire de chimie physique organique et
colloïdale, UMR 7565 CNRS , Institut Nancéien de
Chimie Moléculaire , FR CNRS 1742, Université Henri
Poincaré, Nancy I, BP 239, 54506, Vandoeuvre-lès-
Nancy Cédex, France
c
Laboratoire de Chimie Organique II, UMR 7565
CNRS , Institut Nancéien de Chimie Moléculaire , FR
CNRS 1742, Université Henri Poincaré, Nancy I, BP
239, 54506, Vandoeuvre-lès-Nancy Cédex, France
Published online: 04 Oct 2006.
To cite this article: M. Étienne , P. Rubini , J. Bessière , A. Walcarius , C. Grison & Ph.
Coutrot (2000) SYNTHÈSE ET ÉTUDE COMPARÉE DES PROPRIÉTÉS COMPLEXANTES DE
DÉRIVÉS DE L'ACIDE METHYLÈNE DIPHOSPHONIQUE, Phosphorus, Sulfur, and Silicon and
the Related Elements, 161:1, 75-96, DOI: 10.1080/10426500008042097
To link to this article: http://dx.doi.org/10.1080/10426500008042097

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