PROCESS FOR THE PREPARATION OF META-CHLORINATED ANILINES

PROCESS FOR THE PREPARATION OF META-CHLORINATED ANILINES

Process for the selective preparation of meta-chloroanilines. It is carried out by the hydrodechlorination of polychloroanilines or polychloronitrobenzenes with hydrogen, in the liquid phase, under the action of heat, at atmospheric pressure or under pressure, in the presence of a noble metal, in an...

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Bibliographische Detailangaben
Hauptverfasser: FOUILLOUX, PIERRE, CORDIER, GEORGES
Format: Patent
Sprache:eng ; fre
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:Process for the selective preparation of meta-chloroanilines. It is carried out by the hydrodechlorination of polychloroanilines or polychloronitrobenzenes with hydrogen, in the liquid phase, under the action of heat, at atmospheric pressure or under pressure, in the presence of a noble metal, in an anhydrous organic medium and in the presence of a Lewis acid. These meta-chloroanilines are intermediates especially for active plant-protection substances.