LINEAR ALKYLBENZENE FORMATION USING LOW TEMPERATURE IONIC LIQUID AND LONG CHAIN ALKYLATING AGENT

摘要

Linear alkylbenzene compositions can be made by using, as a catalyst, a low temperature molten ionic liquid composition comprising a mixture of a metal halide and a base and, as the alkylating agent for the benzene reagent, a chloroalkane having an average carbon atom content of more than six, an olefin having an average carbon atom content of more than ten, or a mixture of the chloroalkane and the olefin. A novel ionic liquid, which is also useful in other reactions normally catalyzed by previously known ionic liquids, comprises the reaction product of a metal halide, such as aluminum trichloride, and an alkyl-containing amine hydrohalide salt selected from the group consisting of a monoalkyl-, a dialkyl-, a trialkyl-containing amine hydrohalide salt (such as trimethylamine hydrochloride), and mixtures thereof.