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Alkylation of phenol with tert-butyl alcohol (TBA) in a room temperature ionic liquid, 1-butyl-3-methylimidazoliumhexafluorophosphate ([bmim]PF 6 ), has been investigated. The effects of various parameters such as reaction temperature, reaction time, reactant ratio (mol ratio of phenol to that of TBA), and the amount of the ionic liquid used were studied. The [bmim]PF 6 ionic liquid...
The tert-butylation of phenol was investigated over various zeolite catalysts using tert-butyl alcohol as alkylating agent in a down-flow tubular reactor at atmospheric pressure. Zeolite HY was beneficial to the reaction. The important variables affecting the activity and selectivity of zeolite HY, such as reaction temperature, space velocity and molar ratios of tert-butyl alcohol to phenol, were...
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