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Citation: CHEN Hui, DAI Li-Yi, SHAN Yong-Kui, HE Ming-Yuan. Alkylation of Benzene with 1-Hexene Catalyzed by Novel Ionic Liquid System[J]. Chinese Journal of Applied Chemistry, ;2003, 20(9): 829-832. shu

Alkylation of Benzene with 1-Hexene Catalyzed by Novel Ionic Liquid System

1.
Center of the Ionic Liquids Chemistry, Department of Chemistry, East China Normal University, Shanghai 200062

Corresponding author: DAI Li-Yi,
Received Date: 4 December 2002
Available Online: 13 May 2003
Fund Project: 国家重点基础项目(G2000048) (G2000048)上海科技发展基金(01JC14002)资助 (01JC14002)

Alkylation reactions of benzene with 1-hexene catalyzed by ferric chloride in a new ionic liquid system containing triethylamine hydrochloride modified by HCl has been studied. The influences of the constitution of the ionic liquid system, the amount of HCl, temperature and mole ratio of bezene to 1-hexene on the conversion and selectivity of the alkylation reactions have been investigated. It was found that the acidity of this ionic liquid system depends on the constitution of the ionic liquid system and the amount of HCl.The ionic liquid system with x(FeCl₃)=66.7% is of no catalytic activity to the reaction without HCl modifying. But the conversion of 1-hexene can reach 100% with the product's monoalkylation selectivity being 100% in 1 h when the ionic liquid system was modified by HCl.
- ionic liquid,
- ferric chloride,
- triethylamine hydrochloride,
- alkylation,
- catalysis
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