VERFAHREN ZUR HERSTELLUNG VON 4-AMINODIPHENYLAMIN-ZWISCHENPRODUKTEN

VERFAHREN ZUR HERSTELLUNG VON 4-AMINODIPHENYLAMIN-ZWISCHENPRODUKTEN

The invention is directed to a method of producing one or more 4-aminodiphenylamine intermediates comprising the steps: a. bringing an aniline or aniline derivative and nitrobenzene into reactive contact; and b. reacting the aniline and nitrobenzene in a confined zone at a suitable time and temperat...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: TRIPLETT II, RALPH, RAINS, ROGER
Format: Patent
Sprache:ger
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:The invention is directed to a method of producing one or more 4-aminodiphenylamine intermediates comprising the steps: a. bringing an aniline or aniline derivative and nitrobenzene into reactive contact; and b. reacting the aniline and nitrobenzene in a confined zone at a suitable time and temperature, in the presence of a mixture comprising a strong organic base, or equivalent thereof, and an oxidant comprising hydrogen peroxide in an amount of from about 0.01 to about 0.60 moles of hydrogen peroxide to moles of nitrobenzene.