Annali di Chimica 2001-01-01

New possible chelating agents of clinical interest for iron(III): 2-hydroxynicotinic acid and 3-hydroxypicolinic acid. A thermodynamic study.

V B Di Marco, A Tapparo, G G Bombi

Index: Ann. Chim. 91(9-10) , 595-603, (2001)

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Abstract

The formation of complexes between iron(III) and two ligands of possible relevance to chelation therapy, 2-hydroxynicotinic acid and 3-hydroxypicolinic acid, in aqueous 0.6 m (Na)Cl at 25 degrees C, has been investigated by means of potentiometric titrations and UV measurements. In both cases several mononuclear complexes and their deprotonation products are formed.

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