Novel pyridine‐2(1H)‐thione and thieno‐[2,3‐b]pyridine derivatives containing arylazo moiety: synthesis, characterization and dyeing properties

Elgemeie, Galal H.; Helal, Maher H.; Abbas, Emam M.; Abdel Mowla, Ebtissam A.

doi:10.1108/03699420210449061

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Article Contents

Electronic spectra, dye characteristics and fastness properties of 5‐arylazo‐3‐cyano‐4,6‐dimethylpyridine‐2‐(1H)‐thiones and 5‐arylazo‐3‐cyano‐4,6‐dimethyl‐2‐methylthio‐pyridines
Electronic effects and ultraviolet‐visble spectra
Dye characteristics and K/S measurements
Fastness properties
Electronic spectra, dye characteristics and fastness properties of 5‐amino‐3‐arylazo‐4‐methyl‐2‐substituted‐6‐aroyl‐thieno[2,3‐b]pyridines
Electronic effects and ultraviolet‐visible spectra
Dye characteristics and K/S measurements
Fastness properties
Conclusion
Materials
Dyeing procedure
Color strength measurements
Fastness properties
Experimental
5‐Arylazo‐3‐cyano‐4‐methyl‐6‐substituted‐pyridine‐2‐(1H)thiones 4a‐m
5‐ arylazo‐3‐cyano‐4,6‐dimethyl ‐2‐methylthiopyridines 5a‐c
5‐amino‐3‐arylazo‐4‐methyl‐2‐substituted‐6‐aroylthieno[2,3‐b]pyridines 6a‐z
References

Research Article| December 01 2002

Novel pyridine‐2(1H)‐thione and thieno‐[2,3‐b]pyridine derivatives containing arylazo moiety: synthesis, characterization and dyeing properties

Galal H. Elgemeie;

Galal H. Elgemeie

Chemistry Department, Helwan University, Ain‐Helwan, Cairo, Egypt

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Maher H. Helal;

Maher H. Helal

Chemistry Department, Helwan University, Ain‐Helwan, Cairo, Egypt

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Emam M. Abbas;

Emam M. Abbas

Chemistry Department, Helwan University, Ain‐Helwan, Cairo, Egypt

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Ebtissam A. Abdel Mowla

Chemistry Department, Helwan University, Ain‐Helwan, Cairo, Egypt

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Author & Article Information

Publisher: Emerald Publishing

Online ISSN: 1758-6941

Print ISSN: 0369-9420

2002

Pigment & Resin Technology (2002) 31 (6): 365–374.

https://doi.org/10.1108/03699420210449061

Several new pyridine‐2(1H)‐thione and thieno[2,3‐b]pyridine derivatives containing an arylazo function were obtained. The application and characteristics for the synthesised dyes are demonstrated.

2002

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Novel pyridine‐2(1H)‐thione and thieno‐[2,3‐b]pyridine derivatives containing arylazo moiety: synthesis, characterization and dyeing properties

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Novel pyridine‐2(1H)‐thione and thieno‐[2,3‐b]pyridine derivatives containing arylazo moiety: synthesis, characterization and dyeing properties