PROCESS FOR PREPARING NAPHTHALENESULPHOCHLORIDE

PROCESS FOR PREPARING NAPHTHALENESULPHOCHLORIDE

In a process for the preparation of a naphthalenesulphonyl chloride by reacting an alkali metal salt or ammonium salt of a naphthalenesulphonic acid with thionyl chloride in the presence of a catalytically active substance the improvement wherein the reaction is carried out in the presence of an opt...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: MANNES, KARL, RAUCHSCHWALBE, GUNTER, MAYER, DIETMAR
Format: Patent
Sprache:eng ; ger
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
METALLURGY
ORGANIC CHEMISTRY
PICTORIAL COMMUNICATION, e.g. TELEVISION
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Beschreibung
Zusammenfassung:In a process for the preparation of a naphthalenesulphonyl chloride by reacting an alkali metal salt or ammonium salt of a naphthalenesulphonic acid with thionyl chloride in the presence of a catalytically active substance the improvement wherein the reaction is carried out in the presence of an optionally substituted pyridine, tertiary aliphatic amine, secondary amidine and/or quaternary ammonium salt.