Abstract
AbstractOptical and x‐ray experiments showed the possibility of studying 4‐styrylpyridine with a 15‐crown‐5 ether fragment to bind metal cations through the participation of two centres: the crown ether moiety and the heterocyclic part. The metal cations studied can be divided into three groups. Alkaline earth metal cations form complexes with the crown ether centre, H+, Co2+ and Cd2+ prefer coordination with the N‐atom of heterocyclic part and Hg2+ cations form complexes through coordination with both binding centres. Copyright © 2005 John Wiley & Sons, Ltd.
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