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Novel azo disperse dyes derived from N-benzyl–N-ethyl–aniline: Synthesis, solvatochromic and optical properties

✍ Scribed by M.R. Yazdanbakhsh; A. Mohammadi; E. Mohajerani; H. Nemati; N. Hosain Nataj; A. Moheghi; E. Naeemikhah

Publisher
Elsevier Science
Year
2010
Tongue
English
Weight
604 KB
Volume
151
Category
Article
ISSN
0167-7322

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✦ Synopsis

Seven new azo disperse dyes based on N-benzyl-N-ethyl-aniline were synthesized and characterized by UV-Vis, FT-IR and 1 H NMR spectroscopic techniques. The UV-visible studies and solvatochromic behavior of all dyes in 15 solvents with different polarity were examined and a meaningful correlation was observed. In the optical characterization of dyes using Z-Scan experiment, thin films of polymethyl metacrylate doped with guest synthesized chromophores 2, 3, 4 and 7 were investigated.

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Synthesis, substituent effects and solvatochromic properties of some disperse azo dyes derived from N-phenyl-2, 2′-iminodiethanol
✍ M.R. Yazdanbakhsh; A. Mohammadi 📂 Article 📅 2009 🏛 Elsevier Science 🌐 English ⚖ 452 KB

A series of monoazo disperse dyes based on N-phenyl-2, 2′-iminodiethanol were synthesized using p-substituted anilines as diazo components. The prepared dyes were characterized by UV-vis, FT-IR and 1 H NMR spectroscopic techniques. The effect of varying pH and the evaluation of solvatochromic proper