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Studies on Some New Heterocyclic Quinone Monomethine Cyanine Dyes

A. I. M. Koraiem, R. M. Abu El-Hamd, and H. A. Shindy

Department of Chemistry, Aswan Faculty of Science, Aswan, Egypt

 

Abstract: Nerv asymmetrical naphtho/quinolinoquinone[2,3-d]thiazole/oxazole-4,9-dione 2[4(1)]-monomethine cyanines and naphthoquinone[2,3-e]oxadiazine-5,10-dione 2[4(1)]-monomethine cyanine dyes were synthesized to study their spectral behaviour, solvatochromism, acid-base properties, and antimicrobial activities. This study discloses the activity of former quinoid ring in cyanine dyes when applied as photosensitizer. These dyes are characterized by elemental analysis, IR, 1H NMR, and electronic absorption spectra.

Full paper in Portable Document Format: 494a192.pdf

 

Chemical Papers 49 (4) 192–197 (1995)

Wednesday, July 24, 2024

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