Synthesis, Characterization and Solvatochromic studies of 3-{2-(5-Bromothiazol-2-yl) diazeny l}-4-Bromopyridine-2, 6-Diamine
Author Affiliations
- 1Department of Chemistry, Kuvempu University, Shankaraghatta 577 451, Karnataka, INDIA
Res.J.chem.sci., Volume 3, Issue (8), Pages 38-43, August,18 (2013)
Abstract
The 3-{2-(5-bromothiazol-2-yl)diazenyl}-4-bromopyridine-2,6-diamine was synthesized by carrying the diazotization of 5-bromothiazol-2-amine in coupling with 4-bromopyridine-2, 6-diamine as a coupling component to yield a azo dye. The structure of the dye was confirmed by UV-visible spectrophotometry, Fourier Transfer Infrared spectroscopy (FTIR), LC-MS, 1H and 13C NMR spectroscopic methods. The change in the absorption maxima of the synthesized compound in different solvents were determined, the solvatochromic property of the dye showed a medium red shift in different solvents and has shown the moderate solvent dependency over the bathochromic shift.
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