ISSN : 0970 - 020X, ONLINE ISSN : 2231-5039
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Synthesis, characterization and spectroscopic properties of some new azo dyes derived from 6-aminopyrimidine-2, 4(1H, 3H) – dione

Volume 25, Number 1

Mohammad Reza Yazdanbakhsh* and E. Moradi-E-Rufchahi

Department of Chemistry, Faculty of Sciences, Guilan University, Rasht (Iran).

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Article Published : 01 Jan 2009
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ABSTRACT:

A series of new azo amino uracil dyes were synthesized by diazotization of nine aromatic amines using sodium nitrite and hydrochloric acid and subsequent coupling to 6-aminopyrimidine-2, 4(1H, 3H) – dione. The effects of solvents, substituents, acid and base on the visible absorption maxima of the dyes were also discussed.

KEYWORDS:

azo Uracil dyes; spectroscopic properties; tautomerism; solvent effect

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Yazdanbakhsh M. R, Moradi-E-Rufchahi E. Synthesis, characterization and spectroscopic properties of some new azo dyes derived from 6-aminopyrimidine-2, 4(1H, 3H) – dione. Orient J Chem 2009;25(1).

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Yazdanbakhsh M. R, Moradi-E-Rufchahi E. Synthesis, characterization and spectroscopic properties of some new azo dyes derived from 6-aminopyrimidine-2, 4(1H, 3H) – dione. Available from: http://www.orientjchem.org/?p=11351

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