Abstract
The novel derivatives of 1,2,3-triazole linked crown ethers were investigated towards silver(I) ion coordination. The NMR measurements in deuterated methanol in different ratios of ligand and silver cation were studied. The experiments were performed in order to examine the way of binding Ag(I) ion by the selected ligands. The results are presented for complexes with the Ag:L stoichiometry 0.5:1, 1:1 and 2:1, respectively. Depending on the type of crown ether moiety incorporated into the macrocyclic skeleton, interesting differences in the mode of stepwise coordination of the ion were noticed.
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Acknowledgments
Authors thank for financial support from National Science Center in Cracow (Grant No. DEC-2011/01/B/ ST5/06613) and to the Academic Computer Center CYFRONET-KRAKÓW for providing computer time and facilities (research project MNiSW/SGI3700/ UŁódzki/043/2010)
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All additional information pertaining to characterization of the ligands and their complexes using 1H NMR spectra (figures S1–S8) as well as HMBC and HMQC spectra for the ligand (figures S9–S12) are given in the Supporting Information. Supplementary Information is available at www.ias.ac.in/chemsci.
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SELIGER, P., GUTOWSKA, N., STEFANIAK, M. et al. Investigation on silver complexes of novel 1,2,3-triazole linked crown ethers by NMR analysis. J Chem Sci 127, 1811–1817 (2015). https://doi.org/10.1007/s12039-015-0946-3
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DOI: https://doi.org/10.1007/s12039-015-0946-3