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Synthesis and application of novel styryl dyes derived from 1,4-diethyl-1,2,3,4-tetrahydro-6-methoxyquinoxaline

✍ Scribed by Vijay Satam; Rajkumar Rajule; Samir Bendre; Purushotthaman Bineesh; Vinod Kanetkar

Publisher
Journal of Heterocyclic Chemistry
Year
2009
Tongue
English
Weight
150 KB
Volume
46
Category
Article
ISSN
0022-152X

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✦ Synopsis

Abstract

magnified image

The novel 1,4‐diethyl‐1,2,3,4‐tetrahydro‐7‐methoxyquinoxalin‐6‐carboxaldehyde was synthesized, characterized, and condensed with suitably substituted active methylene compounds by classical Knoevenagel condensation reaction to obtain novel monostyryl dyes 8a, 8b, 8c, 8d, 8e and a bis‐styryl dye 8f. These novel styryl dyes have hue varying from orange to violet. The dyes were applied to polyester fibers. The spectral and thermal characteristics of the dyes and fastness properties of the dyed polyester fabric were investigated. J. Heterocyclic Chem., 46, 221 (2009).

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