Silver(I) complexation of linked 2,2 '-dipyridylamine derivatives. Synthetic, solvent extraction, membrane transport and X-ray structural studies

Antonioli, Bianca, Bray, David J., Clegg, Jack K., Gloe, Kerstin, Gloe, Karsten, Kataeva, Olga, Lindoy, Leonard F., McMurtrie, John C., Steel, Peter J., Sumby, Christopher J. and Wenzel, Marco (2006) Silver(I) complexation of linked 2,2 '-dipyridylamine derivatives. Synthetic, solvent extraction, membrane transport and X-ray structural studies. Dalton Transactions, 40: 4783-4794. doi:10.1039/b609738c

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Author Antonioli, Bianca
Bray, David J.
Clegg, Jack K.
Gloe, Kerstin
Gloe, Karsten
Kataeva, Olga
Lindoy, Leonard F.
McMurtrie, John C.
Steel, Peter J.
Sumby, Christopher J.
Wenzel, Marco
Title Silver(I) complexation of linked 2,2 '-dipyridylamine derivatives. Synthetic, solvent extraction, membrane transport and X-ray structural studies
Journal name Dalton Transactions   Check publisher's open access policy
ISSN 1477-9226
1477-9234
Publication date 2006-01
Sub-type Article (original research)
DOI 10.1039/b609738c
Open Access Status File (Publisher version)
Issue 40
Start page 4783
End page 4794
Total pages 12
Place of publication Cambridge, United Kingdom
Publisher Royal Society of Chemistry
Collection year 2006
Language eng
Formatted abstract
Synthesis of the 2,2′-dipyridylamine derivatives di-2- pyridylaminomethylbenzene 1, 1,2-bis(di-2-pyridylaminomethyl)benzene 2, 1,3-bis(di-2-pyridylaminomethyl)benzene 3, 2,6-bis(di-2-pyridylaminomethyl) pyridine 4, 1,4-bis(di-2-pyridylaminomethyl)benzene 5, and 1,3,5-tris(di-2- pyridylaminomethyl)benzene 6 are reported together with the single-crystal X-ray structures of 2, 3, and 5. Reaction of individual salts of the type AgX (where X = NO 3 -, PF 6 -, ClO 4 -, or BF 4 -) with the above ligands has led to the isolation of thirteen Ag(i) complexes, nine of which have also been characterised by X-ray diffraction. In part, the inherent flexibility of the respective ligands has resulted in the adoption of a range of coordination arrangements. A series of liquid-liquid (H 2O/CHCl 3) extraction experiments of Ag(i) with varying concentrations of 1-6 in the organic phase have been undertaken, with the counter ion in the aqueous phase being respectively picrate, perchlorate and nitrate. In general, extraction efficiencies for a given ionophore followed the Hofmeister order of picrate > perchlorate > nitrate; in each case the tris-dpa derivative 6 acting as the most efficient extractant of the six systems investigated. Competitive seven-metal bulk membrane transport experiments (H 2O/CHCl 3/H 2O) employing the above ligands as the ionophore in the organic phase and equimolar concentrations of Co(ii), Ni(ii), Zn(ii), Cu(ii), Cd(ii), Pb(ii) and Ag(i) in the aqueous source phase were also undertaken, with transport occurring against a pH gradient. Under the conditions employed 1 and 5 yielded negligible transport of any of the metals present in the source phase while sole transport selectivity for Ag(i) was observed for 2-4 and 6.
Keyword Coordination Polymers
Electroluminescent Devices
Palladium(ii) Complexes
Platinum(ii) Complexes
Supramolecular Design
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Chemistry and Molecular Biosciences
 
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