Polycyclic rod-shaped azo dyes based on aminophenylpyrimidines

VF Sedova, VP Borovik, MA Mikhaleva…

Index: Sedova; Borovik; Mikhaleva; Shkurko Chemistry of Heterocyclic Compounds, 1996 , vol. 32, # 5 p. 596 - 604

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Abstract

Abstract We have synthesized rod-shaped tricyclic monoazo and bisazo dyes based on amino derivatives of arylpyrimidines and N, N-dialkylanilines or p-nitroso-N, N- dialkylanilines. We have shown that the process of azo coupling of the diazonium salt obtained from 2, 5-bis (p-arninophenyl) pyritnidine is accompanied by dediazoniation, with substitution of the diazonium group by hydrogen or an aryl group. The monoazo dyes ...

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