Heterodinuclear Metal Complexes of Diimine Ligands in
23rd IUPAC Conference on Physical Organic Chemistry (ICPOC23) 3rd – 8th July 2016 • Sydney • Australia
Heterodinuclear Metal Complexes of Diimine Ligands in Synergistic Extraction Karsten Gloe,* Norman Kelly, Kerstin Gloe, T. Doert, and Jan J. Weigand TU Dresden, Department of Chemistry and Food Chemistry, 01062 Dresden, Germany *[email protected]
Synergistic solvent extraction represents a successful way to control efficacy and selectivity of metal separation. Supramolecular chemistry offers interesting approaches to the design of novel synergistic systems1 based on molecular recognition and self-assembly processes. We have employed a series of bis(3-alkoxy-2-hydroxy-aryl)diimine ligands for solvent extraction studies with selected 3d- and 4f-metal ions. The experiments showed a significant synergistic enhancement of Yb(III) in presence of Zn(II) and n-octanoic acid. This effect is obviously caused by the formation of a heterodinuclear Zn(II)/Yb(III) complex. The architecture obtained and the extraction behaviour will be discussed in detail together with the factors influencing the process.
[Zn(NO )(L)Yb(NO ) (EtOH)] 3
3 2
Reference 1. Gloe, Ka.; Gloe, Ke.; Wenzel, M.; Lindoy, L. F.; Li, F. in Solvent Extraction & Ion Exchange: A Series of Advances, Vol. 21, Moyer, B. A., Ed., CRC Press, Boca Raton, 2014, pp. 1-48.
CLC18
Heterodinuclear Metal Complexes of Diimine Ligands in Synergistic Extraction Karsten Gloe,* Norman Kelly, Kerstin Gloe, T. Doert, and Jan J. Weigand TU Dresden, Department of Chemistry and Food Chemistry, 01062 Dresden, Germany *[email protected]
Synergistic solvent extraction represents a successful way to control efficacy and selectivity of metal separation. Supramolecular chemistry offers interesting approaches to the design of novel synergistic systems1 based on molecular recognition and self-assembly processes. We have employed a series of bis(3-alkoxy-2-hydroxy-aryl)diimine ligands for solvent extraction studies with selected 3d- and 4f-metal ions. The experiments showed a significant synergistic enhancement of Yb(III) in presence of Zn(II) and n-octanoic acid. This effect is obviously caused by the formation of a heterodinuclear Zn(II)/Yb(III) complex. The architecture obtained and the extraction behaviour will be discussed in detail together with the factors influencing the process.
[Zn(NO )(L)Yb(NO ) (EtOH)] 3
3 2
Reference 1. Gloe, Ka.; Gloe, Ke.; Wenzel, M.; Lindoy, L. F.; Li, F. in Solvent Extraction & Ion Exchange: A Series of Advances, Vol. 21, Moyer, B. A., Ed., CRC Press, Boca Raton, 2014, pp. 1-48.
CLC18
