A new 34-membered N6O4-donor macrocycle: synthetic, X-ray and solvent extraction studies

Wenzel, Marco, Gloe, Kerstin, Gloe, Karsten, Bernhard, Gert, Clegg, Jack K., Ji, Xue-Kui and Lindoy, Leonard F. (2008) A new 34-membered N6O4-donor macrocycle: synthetic, X-ray and solvent extraction studies. New Journal of Chemistry, 32 1: 132-137.


Author Wenzel, Marco
Gloe, Kerstin
Gloe, Karsten
Bernhard, Gert
Clegg, Jack K.
Ji, Xue-Kui
Lindoy, Leonard F.
Title A new 34-membered N6O4-donor macrocycle: synthetic, X-ray and solvent extraction studies
Journal name New Journal of Chemistry  (ERA 2012 Listed)    (ERA 2010 Rank A)   Check publisher's open access policy
Publication date 2008-01
Sub-type Article
Year available 2007
DOI 10.1039/b710641f
Volume number 32
Issue number 1
ISSN 1144-0546;1369-9261
Start page 132
End page 137
Total pages 6
Place of publication Cambridge, United Kingdom
Publisher R S C Publications
Language eng
Formatted abstract The synthesis and crystal structure of a new 34-membered N 6O4-donor macrocycle 2 is reported. Solvent extraction experiments (water/chloroform) indicated that 2 acts as an efficient extractant towards silver(I) and zinc(II) at pH values beyond 6 while the extraction of iodide and chromate occurs below this pH. A competitive metal extraction experiment at pH 7.2 in which the perchlorate salts of cobalt(II), nickel(II), copper(II), zinc(II) and cadmium(II) were present together in the aqueous phase led to the following order of increasing extraction efficiency: cobalt(II) < nickel(II) < zinc(II) < copper(II) ∼ cadmium(II). A substantial synergistic enhancement of zinc(II) salt extraction was observed for a dual-host extraction system using the macrocycle 2 as cation binder and the tripodal thiourea ligand 3 as anion receptor; in particular, a notable extraction of zinc(II) sulfate was obtained.
Keyword Nitrogen donor macrocycles
Metal-Ion recognition
Coordination chemistry
Crystal structure
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ
Additional Notes First published on the web 11 September 2007.

Document type: Journal Article
Sub-type: Article
Collection: School of Chemistry and Molecular Biosciences
 
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