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Croatica Chemica Acta, Vol. 67 No. 1, 1994.

Original scientific paper

4-Carboxyflavylium Salts: Stable Red Dyes?

Dušanka Davidović-Amić ; Faculty of Agriculture, University of Osijek, P. O. B. 117, HR-54001 Osijek, Croatia
Dragan Amić ; Faculty of Agriculture, University of Osijek, P. O. B. 117, HR-54001 Osijek, Croatia
Nenad Trinajstić ; The Rugjer Bošković Institute, P O. B. 1016, HR-41001 Zagreb, Croatia

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Abstract

The effects of ring substitution on the stability and spectral characteristics of synthetic 4-substituted flavylium salts have been studied. Several 4-carboxyflavylium salt model compounds are proposed, which are expected to exhibit improved stability and red coloration in slightly acidic and neutral solution.

Keywords

Hrčak ID:

136904

URI

https://hrcak.srce.hr/136904

Publication date:

2.7.1994.

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