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Citation: FANG Dong, LIU Zu-Liang, ZHOU Xin-Li. Catalytic Synthesis of Benzyl Acetate in Task-Specific Room Temperature Ionic Liquid[J]. Chinese Journal of Applied Chemistry, ;2007, 24(1): 85-89. shu

Catalytic Synthesis of Benzyl Acetate in Task-Specific Room Temperature Ionic Liquid

1.
Chemical Engineering Department, Nanjing University of Science & Technology, Nanjing 210094

Corresponding author: LIU Zu-Liang,
Received Date: 26 December 2005
Available Online: 3 June 2006

A new method of catalytic synthesis of benzyl acetate from acetate acid and benzyl alcohol in task-specific room temperature ionic liquid(TSILs) was studied.Some TSILs with an alkyl sulfonic acid group in a N-methyl imidazlium cation were synthesized for esterification.With 1:1.3 ratio of benzyl alcohol and acetate acid in TSILs for 2.5 h at r.t., the isolated yield reached to 92% and the selectivity was above 99%.The product was immiscible with TSILs and could be separated simply by decantation after the reaction.As environmentally benign dual solvent-catalysts, the TSILs could be reused for several times without noticeable lowering of activity.
- task-specific ionic liquid,
- benzyl acetate,
- catalytic synthesis
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