Synthesis of some new 2,6-diamino-4-(p-arylazo)anilinopyrimidine and some related 5-arylazopyrimidine derivatives for dyeing synthetic fibres

Article abstract of DOI:10.1515/HC.2001.7.3.263

Synthesis of some 2,6-diamino-4-(p-arylazo)anilinopyrimidine (IIIa-c) and 2,6-diamino-5-(arylazo)-4-(p-arylazo)anilinopyrimidine (IVa-h) are described. Compounds IIIa-c were synthesized by condensation of 2,6-diamino-4-chloropyrimidine (I) with the appropriate aminoazobenzene (IIa-c), while compounds IVa-h by coupling Ilia with diazotized arylamines. The effects of the nature and orientation of the substituents on the colour and dyeing properties of these dyes on polyester and acrylic fibres were evaluated.

Full text of DOI:10.1515/HC.2001.7.3.263

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