Research output: Contribution to journal › Article › peer-review
Novel phosphorylated calixarenes for the recognition of f-elements. / Karavan, Maria; Arnaud-Neu, Françoise; Hubscher-Bruder, Véronique; Smirnov, Igor; Kalchenko, Vitaly.
In: Journal of Inclusion Phenomena and Macrocyclic Chemistry, Vol. 66, No. 1, 01.01.2010, p. 113-123.Research output: Contribution to journal › Article › peer-review
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TY - JOUR
T1 - Novel phosphorylated calixarenes for the recognition of f-elements
AU - Karavan, Maria
AU - Arnaud-Neu, Françoise
AU - Hubscher-Bruder, Véronique
AU - Smirnov, Igor
AU - Kalchenko, Vitaly
PY - 2010/1/1
Y1 - 2010/1/1
N2 - The binding properties of three series of phosphorylated calixarene derivatives bearing phosphine oxide or phosphonate groups either at the wide or the narrow rims have been investigated towards some representative lanthanide and actinide ions using several approaches: (i) liquid-liquid extraction of europium, americium, thorium and uranyl ions from nitric acid solutions into the two diluents m-nitrobenzotrifluoride (m-NBTF) or dichloromethane; (ii) complexation in single media (methanol and acetonitrile) followed by UV-spectrophotometric and isoperibolic (micro)calorimetric titrations (ITC). The latter technique was found to be very useful for the determination of the stoichiometries of the complexes formed, in particular when the complexation did not induce significant spectral changes. It also provided a full thermodynamic characterization of these new systems. The influence of some structural features of the ligands as the nature of the substituents and the condensation degree of the calixarene moiety, on the distribution coefficients and on the complexation thermodynamic parameters has been established.
AB - The binding properties of three series of phosphorylated calixarene derivatives bearing phosphine oxide or phosphonate groups either at the wide or the narrow rims have been investigated towards some representative lanthanide and actinide ions using several approaches: (i) liquid-liquid extraction of europium, americium, thorium and uranyl ions from nitric acid solutions into the two diluents m-nitrobenzotrifluoride (m-NBTF) or dichloromethane; (ii) complexation in single media (methanol and acetonitrile) followed by UV-spectrophotometric and isoperibolic (micro)calorimetric titrations (ITC). The latter technique was found to be very useful for the determination of the stoichiometries of the complexes formed, in particular when the complexation did not induce significant spectral changes. It also provided a full thermodynamic characterization of these new systems. The influence of some structural features of the ligands as the nature of the substituents and the condensation degree of the calixarene moiety, on the distribution coefficients and on the complexation thermodynamic parameters has been established.
KW - Actinides
KW - Calixarenes
KW - Complexation
KW - Extraction
KW - Lanthanides
KW - Phosphine oxides
KW - Phosphonates
UR - http://www.scopus.com/inward/record.url?scp=74749089111&partnerID=8YFLogxK
U2 - 10.1007/s10847-009-9660-4
DO - 10.1007/s10847-009-9660-4
M3 - Article
AN - SCOPUS:74749089111
VL - 66
SP - 113
EP - 123
JO - Journal of Inclusion Phenomena and Macrocyclic Chemistry
JF - Journal of Inclusion Phenomena and Macrocyclic Chemistry
SN - 1388-3127
IS - 1
ER -
ID: 42867849