Investigation of a new “N2S2O2” chelating agent with high Po(IV) affinity

Ali Younes (1) , Gilles F Montavon (1) , Sébastien G Gouin (2) , Emy André-Joyaux (2) , Roxane Peumery (2) , Thibaut Chalopin (2) , Cyrille Alliot (3, 4) , Mokili Marcel Bandombele (1) , Julie Champion (1) , David Deniaud (2)

1 SUBATECH - Laboratoire de physique subatomique et des technologies associées
2 CEISAM - Chimie Et Interdisciplinarité : Synthèse, Analyse, Modélisation
3 CRCNA - Centre de Recherche en Cancérologie Nantes-Angers
4 Institut de Recherche Public - ARRONAX - (GIP) Groupement d'Intérêt Public [Saint-Herblain]

A water-soluble “N2S2O2” complexing agent was designed for polonium(IV) decorporation. The bifunctional ligand showed outstanding Po(IV) complexing abilities, with a conditional stability constant three orders of magnitude higher than the reference ligand BAL.

Mots clés: polonium; ligand N2S2O2

Domaines: Chimie théorique et/ou physique; Radiochimie; Chimie organique

Ali Younes, Gilles F Montavon, Sébastien G Gouin, Emy André-Joyaux, Roxane Peumery, et al.. Investigation of a new “N2S2O2” chelating agent with high Po(IV) affinity. Chemical Communications, 2017, 53 (48), pp.6492-6495. ⟨10.1039/C7CC03198J⟩. ⟨hal-01536735⟩