Aminophenyl-X-azolopyridines as Precursors of Heterocyclic Azo Dyes
Aminophenyl-X-azolopyridines (X = O, S, NH) are interesting intermediates for the synthesis of disperse azo dyes and, provided the pyridine nitrogen is quaternized, of their cationic counterparts.A set of novel amines and nitro derivatives is described, a
Savarino, P.,Viscardi, G.,Carpignano, R.,Borda, A.,Barni, E.
p. 289 - 292
(2007/10/02)
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