Rational ligand design for metal ion recognition. Synthesis of a N-benzylated N2S3-donor macrocycle for enhanced silver(I) discrimination

Vasilescu, Ioana M., Bray, David J., Clegg, Jack K., Lindoy, Leonard F., Meehan, George V. and Wei, Gang (2006) Rational ligand design for metal ion recognition. Synthesis of a N-benzylated N2S3-donor macrocycle for enhanced silver(I) discrimination. Dalton Transactions, 43: 5115-5117. doi:10.1039/b613636m

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Author Vasilescu, Ioana M.
Bray, David J.
Clegg, Jack K.
Lindoy, Leonard F.
Meehan, George V.
Wei, Gang
Title Rational ligand design for metal ion recognition. Synthesis of a N-benzylated N2S3-donor macrocycle for enhanced silver(I) discrimination
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/b613636m
Open Access Status File (Publisher version)
Issue 43
Start page 5115
End page 5117
Total pages 3
Place of publication Cambridge, United Kingdom
Publisher Royal Society of Chemistry
Language eng
Formatted abstract
The design and synthesis of the dibenzyl-N-substituted, 17-membered ring was carried out on the basis of four previously documented ligand design strategies for achieving Ag(I) discrimination was studied. Macrocycle was prepared by direct N-benzylation of its unsubstituted precursor using benzyl bromide in acetonitrile in the presence of sodium hydrogen carbonate as base. The microcylic ligand showed clear discrimination of Ag(I) over Co(II), Ni(II), Cu(II), Cd(II) and Pb(II), with the silver complex being at least 10 5 more stable than any of the remaining complexes investigated. The ESI mass spectrum of a mixture of macrocyclic ligand and Ag(I) nitrate in a methanol-acetonitrile mixture yielded a peak corresponding for the formation of the 1: 1 complex.
Keyword X-Ray
Membrane-Transport
Transition
Complexes
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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