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Open Chemistry

formerly Central European Journal of Chemistry

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Volume 4, Issue 1


Volume 13 (2015)

1H NMR and spectrophotometric study of alkaline metal ion complexes with N-dansyl aza-18-crown-6

Tadeusz Ossowski / Hanna Sulowska1 / Tomasz Karbowiak / Dorota Zarzeczanska / Błażej Gierczyk / Grzegorz Schroeder
Published Online: 2006-03-01 | DOI: https://doi.org/10.1007/s11532-005-0002-0


Formation of complexes of A18C6-Dns and metal cations (Ca2+, Sr2+, Ba2+ and Mg2+) in acetonitrile has been studied by NMR, absorption and fluorescence spectroscopy and PM5 semi-empirical methods. A18C6-Dns forms stable complexes with Ca2+, Sr2+ and Ba2+ cations. The stability constants of various complexes are determined by different methods and their structures are visualised by the PM5 semi-empirical calculations.

Keywords: Fluorescence probes; dansyl group; azacrown ethers; 1H NMR; UV-Vis spectroscopy

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About the article

Published Online: 2006-03-01

Published in Print: 2006-03-01

Citation Information: Open Chemistry, Volume 4, Issue 1, Pages 13–28, ISSN (Online) 2391-5420, DOI: https://doi.org/10.1007/s11532-005-0002-0.

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