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Citation: HONG Mei, SHEN Ming-Gui, CAI Chun. Recyclable Rare Earth Metal(Ⅲ) Bis(perfluorooctanesulfonyl) imide Complex for Catalytic Friedel-Crafts Alkylation Reaction in Fluorous Biphase System[J]. Chinese Journal of Applied Chemistry, ;2010, 27(3): 280-284. doi: 10.3724/SP.J.1095.2010.90202 shu

Recyclable Rare Earth Metal(Ⅲ) Bis(perfluorooctanesulfonyl) imide Complex for Catalytic Friedel-Crafts Alkylation Reaction in Fluorous Biphase System

Chemical Engineering College, Nanjing University of Science & Technology, Nanjing 210094

Received Date: 25 March 2009
Revised Date: 29 May 2009

The metal bis(perfluorooctanesulfonyl)imide complexes were prepared and used in Friedel-Crafts alkylation in fluorous biphasic system.The effects of Lewis acid catalysts,reaction time,temperature and dosage of catalysts,as well as the catalytic reaction of different alkylating agents with aromatic compounds in the presence of 0.2% molar fraction of Yb[N(SO₂C₈F₁₇)₂]₃ were investigated.All the experimental results show that metal bis(perfluorooctanesulfonyl)imide complexes were more effective for Friedel-Crafts alkylation than conventional Lewis acid catalysts.Furthermore,by simple phase-separation,the fluorous phase containing only catalyst could be re-utilized up to four times with a slight decrease in activity.
- fluorous biphasic catalysis,
- metal bis(perfluorooctanesulfonyl)imide complex,
- perfluorocarbon,
- Friedel-Crafts alkylation,
- rare earth(Ⅲ)
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