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rdf:type
lifeskim:mentions
pubmed:issue
24
pubmed:dateCreated
2009-6-10
pubmed:abstractText
Competitive transport experiments involving metal ions from an aqueous source phase through a chloroform membrane into an aqueous receiving phase have been carried out using a series of N-(thio)phosphorylated (thio)amide and thiourea ligands as ionophores in the organic phase. The source phase contained equimolar concentrations of Co(II), Ni(II), Cu(II), Zn(II), Ag(I), Cd(II) and Pb(II) with the source and receiving phases being buffered at different pH. Good transport properties were observed for Ag(I) in the case of (13). The best extraction properties have been shown by (3)L(1), (3)L(8), (2)L(7), (3)L(9) and (3)L(11) which contain an unsubstituted nitrogen atom at the C[double bond, length as m-dash]S groups ((3)L(1) and (3)L(9)), or a third nitrogen atom, capable of participating in additional coordination ((3)L(8), (2)L(7) and (3)L(11)). Reaction of Cu(NO(3))(2).6H(2)O with the potassium salt of the N-thiophosphorylated thiourea NH(2)C(S)NHP(S)(OiPr)(2) formed a new supramolecular Cu(I) complex, [{Cu(6)((2)L(1))(6)}{Cu(3)((2)L(1))(3)}.4Me(2)CO] that contains both trinuclear and hexanuclear forms in its solid state structure, and in solution.
pubmed:language
eng
pubmed:journal
pubmed:status
PubMed-not-MEDLINE
pubmed:month
Jun
pubmed:issn
1477-9226
pubmed:author
pubmed:issnType
Print
pubmed:day
28
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
4646-52
pubmed:year
2009
pubmed:articleTitle
Competitive bulk liquid membrane transport of some metal ions using RC(S)NHP(S)(OiPr)(2) as ionophores. Unusual supramolecular "honeycomb" aggregate of the polynuclear copper(I) complex of H(2)NC(S)NHP(S)(OiPr)(2).
pubmed:affiliation
Department of Chemistry, University of Stellenbosch, Private Bag X1, MATIELAND, 7602, Stellenbosch, South Africa.
pubmed:publicationType
Journal Article