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ChemInform Abstract: Spacer-Chromoionophores — Polymethine Dye Substituted Aza-Crown Ethers with Increased Complexation Ability.

✍ Scribed by Andrei Boila-Goeckel; Hans Junek

Publisher: John Wiley and Sons
Year: 2010
Weight: 33 KB
Volume: 30
Category: Article
ISSN: 0931-7597
DOI: 10.1002/chin.199918168

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✦ Synopsis

Spacer-Chromoionophores -Polymethine Dye Substituted Aza-Crown Ethers with Increased Complexation Ability.

-A variety of polymethine crown ether derivatives are synthesized and their complex formation constants with Na + and K + are determined using 1 H NMR spectroscopy. Crown ethers such as (XII), in which the extended conjugation is interrupted by a spacer, possess good binding properties. -(BOILA-GOECKEL, ANDREI;

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