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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Bibliographic Details
Main Authors 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
LanguageSwedish
Published 12.02.1978
Subjects
ACYCLIC OR CARBOCYCLIC COMPOUNDS
APPARATUS THEREFOR
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
GENERAL METHODS OF ORGANIC CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR RELEVANT APPARATUS
TRANSPORTING
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Summary: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.
Bibliography:Application Number: SE19770008824