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Chromogenic azomacrocycles with imidazole residue: Structure vs. properties

Abstract

New diazo macrocycles linked by hydrocarbon chain bearing imidazole or 4-methylimidazole residue have been synthetized with satisfactory yield (24–55%). The structure of macrocycles was confirmed by X-ray analysis and spectroscopic methods (1H NMR, MS, FTIR). Metal cation complexation studies were carried out in acetonitrile and acetonitrile-water system. It was found that azomacrocyles form triple-decker complexes with lead(II). The highest values of stability constant were found for lead(II) complexes of 21-membered derivatives. For the first time azomacrocycles bearing imidazole residue were immobilized on a porous glass. Obtained materials can act as lead(II) or copper(II) colorimetric optical sensors with color digital analysis as detection using simple portable devices.

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Details

Category:
Articles
Type:
artykuły w czasopismach
Published in:
DYES AND PIGMENTS no. 219,
ISSN: 0143-7208
Language:
English
Publication year:
2023
Bibliographic description:
Galiński B., Chojnacki J., Szwarc-Karabyka K., Małkowski A., Sopel D., Zwolińska A., Wagner-Wysiecka E.: Chromogenic azomacrocycles with imidazole residue: Structure vs. properties// DYES AND PIGMENTS -Vol. 219, (2023), s.111610-
DOI:
Digital Object Identifier (open in new tab) 10.1016/j.dyepig.2023.111610
Sources of funding:
  • Free publication
Verified by:
Gdańsk University of Technology

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