Ag+ selection by aza-18-crown-6 ethers N-Substituted on heterocyclic aromatics

Substitution on the nitrogen atom, where necessary by high‐pressure SNAr reactions, of aza‐18‐crown‐6 ethers linked to heterocyclic aromatics has extended the number of potential host compounds for Ag+. The complexation of Ag+ by the new compounds has been evaluated by liquid membrane ion transport...

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Bibliographic Details
Published in:Journal of heterocyclic chemistry 2005-03, Vol.42 (2), p.191-199
Main Authors: Matsumoto, Kiyoshi, Iida, Hirokazu, Ikemi, Yukio, Shigeta, Akira, Toda, Mitsuo, Hayashi, Naoto, Bulman, Robert A
Format: Article
Language:English
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Summary:Substitution on the nitrogen atom, where necessary by high‐pressure SNAr reactions, of aza‐18‐crown‐6 ethers linked to heterocyclic aromatics has extended the number of potential host compounds for Ag+. The complexation of Ag+ by the new compounds has been evaluated by liquid membrane ion transport and ion extraction experiments. The nature of the binding sites of these new host compounds for Ag+ has been assessed, in DMF/D2O (4/1), by 13C nmr titration experiments with AgClO4.
ISSN:0022-152X
1943-5193
DOI:10.1002/jhet.5570420203