- Chlorination of N-acyl derivatives of p-aminophenols (naphthols) and p-phenylenediamines
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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 to a mixture of 2,5-dichloro-, 2,6-dichloro-, and 2,3-dichloro-N,N′-diacyl-1, 4-phenylenediamines.
- Avdeenko,Marchenko
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p. 822 - 829
(2007/10/03)
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- N-Acetyl-2,3,5,6-tetrachloro-p-benzoquinone Imine
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N-acetyl-2,3,5,6-tetrachloro-p-benzoquinone imine is best prepared by direct chlorination of N-(4-hydroxyphenyl)acetamide.The tetrachloro quinone imine is a stable compound with a high oxidation-reduction potential and may be a useful addition to the range of conventional high potential quinones.Some typical oxidation reactions are described as well as some reactions with nucleophilic reagents.
- Fernando, Roger C.,Calder, Ian C.
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p. 2299 - 2306
(2007/10/02)
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