Syntheses of some unsymmetrical azo dyes from 3,3'-disubstituted benzidines.
D000083:Acetanilides; D001391:Azo Compounds / Q000138:chemical synthesis*; D001713:Biphenyl Compounds; D002855:Chromatography, Thin Layer
D000083:Acetanilides; D001391:Azo Compounds; D001713:Biphenyl Compounds