Abstract The chlorination of N-acyl derivatives of p-aminophenols can provide either N-acyl- 2, 3, 6-trichloro-4-aminophenols or N-acyl-2, 3, 5, 6-tetrachloro-1, 4-benzoquinone imines depending on solvent nature, process temperature, and molar ratio initial compound- chlorine. The chlorination of N-acyl-4-amino-1-naphthols affords only N-acyl-2, 3-dichloro-1, 4-naphthoquinone imines. N, N'-Diacyl-1, 4-phenylenediamines give rise on chlorination ...
