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Synthesis and characterisation of methine dyes derived from condensation of 4‐nitrophenylacetonitrile with aromatic aldehydes

Synthesis and characterisation of methine dyes derived from condensation of... A range of methine dyes has been synthesised by condensation of electronegative active methylene compound, 4‐nitrophenylacetonitrile with substituted benzaldehydes. The electronic absorption spectroscopic properties of the dyes were investigated. It was found that in general, substituents on the aromatic aldehyde moiety had a significant effect on the visible absorption maxima of the dyes. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Pigment & Resin Technology Emerald Publishing

Synthesis and characterisation of methine dyes derived from condensation of 4‐nitrophenylacetonitrile with aromatic aldehydes

Pigment & Resin Technology , Volume 33 (6): 5 – Dec 1, 2004

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Publisher
Emerald Publishing
Copyright
Copyright © 2004 Emerald Group Publishing Limited. All rights reserved.
ISSN
0369-9420
DOI
10.1108/03699420410568391
Publisher site
See Article on Publisher Site

Abstract

A range of methine dyes has been synthesised by condensation of electronegative active methylene compound, 4‐nitrophenylacetonitrile with substituted benzaldehydes. The electronic absorption spectroscopic properties of the dyes were investigated. It was found that in general, substituents on the aromatic aldehyde moiety had a significant effect on the visible absorption maxima of the dyes.

Journal

Pigment & Resin TechnologyEmerald Publishing

Published: Dec 1, 2004

Keywords: Polymers; Dyes; Ultraviolet radiation

References