FORFARANDE FOR FRAMSTELLNING AV 2,6-DI-TERT BUTYLFENOL

A method for preparing 2,6-ditert.butylphenol which comprises alkylation of phenol in the presence of monotert.-butylphenol and a catalyst, viz. aluminium dissolved in phenol with gradually lowering the process temperature from 120 DEG to 50 DEG C and reducing the concentration of isobutylene in the...

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Bibliographische Detailangaben
Hauptverfasser: V A YANSHEVSKY, Y A GURVICH, J I MICHUROV, S G VYBOROV, R A FILIPPOVA, I J LOGUTOV, I M BELGORODSKY, S A EGORICHEVA
Format: Patent
Sprache:swe
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Zusammenfassung:A method for preparing 2,6-ditert.butylphenol which comprises alkylation of phenol in the presence of monotert.-butylphenol and a catalyst, viz. aluminium dissolved in phenol with gradually lowering the process temperature from 120 DEG to 50 DEG C and reducing the concentration of isobutylene in the mixture of isomeric butenes from 80 to 1.5 mol.%, followed by isolation of the desired product.