METHOD OF PREPARING 2,6-DI-TERT-BUTYLPHENOL

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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Hauptverfasser: FILIPPOVA RUFINA A,SU, VYBOROV SERGEJ G,SU, LOGUTOV IGOR YU,SU, EGORICHEVA SOFYA A,SU, BELGORODSKIJ IZRAIL M,SU, MICHUROV YURIJ ,SU, YANSHEVSKIJ VLADIMIR A,SU, GURVICH YAKOV A,SU
Format: Patent
Sprache:eng
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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.