Verfahren zur Herstellung von 4,4'-Dinitrostilben-2,2'-disulfonsäure

The novel process for the preparation of 4,4'-dinitrostilbene-2,2'-disulphonic acid and salts thereof by oxidising 4-nitrotoluene-2-sulphonic acid with an oxidant in the presence of strong bases is characterised in that the oxidation is carried out in a mixture of water and an organic solv...

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Bibliographische Detailangaben
Hauptverfasser:	SCHNATTERER, ALBERT. DR., 51373 LEVERKUSEN, DE, FIEGE, HELMUT. DR., 51373 LEVERKUSEN, DE
Format:	Patent
Sprache:	ger
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS APPARATUS THEREFOR CHEMISTRY GENERAL METHODS OF ORGANIC CHEMISTRY METALLURGY ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:	The novel process for the preparation of 4,4'-dinitrostilbene-2,2'-disulphonic acid and salts thereof by oxidising 4-nitrotoluene-2-sulphonic acid with an oxidant in the presence of strong bases is characterised in that the oxidation is carried out in a mixture of water and an organic solvent selected from the series consisting of the alcohols, ethers, esters, acetals and mixtures of these.