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Australian Journal of Chemistry Australian Journal of Chemistry Society
An international journal for chemical science
RESEARCH ARTICLE

Potentiometric Sensors Based on Macrocyclic Ligands: 1,8-Naphthyridine and 1,10-Phenanthroline Derivatives

TJ Cardwell, RW Cattrall, LW Deady, KA Murphy and SS Tan

Australian Journal of Chemistry 45(6) 983 - 989
Published: 1992

Abstract

The synthesis of some macrocyclic compounds based on 1,8-naphthyridine and 1,10-phenanthroline with rings containing four and five oxygen atoms is reported. These compounds were tested for cation selectivity in poly(vinyl chloride)-based potentiometric sensors. Nernstian esponse was observed towards the potassium ion but with low discrimination for potassium in the presence of other cations. Dimethyl 4-octyloxy-1,10-phenanthroline-2,9-dicarboxylate, a precursor to one of the macrocyclic series, showed a high preference for divalent cations such as Zn2+, Ba2+, Cu2+ and Co2+. .

https://doi.org/10.1071/CH9920983

© CSIRO 1992

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