PROCEDIMENTO PER PREPARARE 2,6-DITERZ.BUTILFENOLO

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 YANSHEVSKY VLADIMIR AVGUSTOVICH, BELGORODSKY IZRAIL MARKOVICH, VYBOROV SERGEI GERASIMOVICH, MICHUROV JURY IVANOVICH, EGORICHEVA SOFYA ALEXANDROVNA, FILIPPOVA RUFINA ALECANDROVNA, LOGUTOV IGOR JURIEVICH, GURVICH YAKOV ABRAMOVICH
Format Patent
LanguageItalian
Published 24.02.1986
Edition4
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: IT19770041666