Verfahren zur Gewinnung von Durol durch Isomerisierung von Polyalkylbenzolen

Verfahren zur Gewinnung von Durol durch Isomerisierung von Polyalkylbenzolen

Durene is prepared by heating polyalkylbenzenes under atmospheric pressure at 40-110 DEG C. in the presence of 0.5-5 mol. per cent of anhydrous aluminium chloride, adding an equal or excess amount of water, separating the oily layer thus formed and separating durene from the oily layer by freezing o...

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Bibliographische Detailangaben
Hauptverfasser: SULO JOSEF, BINDER DR.. HANS
Format: Patent
Sprache:ger
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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Zusammenfassung:Durene is prepared by heating polyalkylbenzenes under atmospheric pressure at 40-110 DEG C. in the presence of 0.5-5 mol. per cent of anhydrous aluminium chloride, adding an equal or excess amount of water, separating the oily layer thus formed and separating durene from the oily layer by freezing out and filtering at - 20 DEG C. The polyalkylbenzenes may be those present in mineral oil and coal tar oil fractions and distillates. Specification 787,888 is referred to.