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

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....

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Bibliographic Details
Published in:Journal of heterocyclic chemistry 2009-03, Vol.46 (2), p.221-225
Main Authors: Satam, Vijay, Rajule, Rajkumar, Bendre, Samir, Bineesh, Purushotthaman, Kanetkar, Vinod
Format: Article
Language:English
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Summary: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).
ISSN:0022-152X
1943-5193
DOI:10.1002/jhet.64