Phenolic hydroxyl-functionalized imidazolium ionic liquids: Highly efficient catalysts for the fixation of CO2 to cyclic carbonates
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- 作者：Shi Wu ; Binshen Wang ; Yongya Zhang ; Elnazeer H.M. Elageed ; Haihong Wu ; hhwu@chem.ecnu.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Guohua Gao ; ghgao@chem.ecnu.edu.cn" class="auth_mail" title="E-mail the corresponding author
- 关键词：Phenolic hydroxyl ; Ionic liquids ; CO2 fixation ; Synergistic effect
- 刊名：Journal of Molecular Catalysis A: Chemical
- 出版年：2016
- 出版时间：July 2016
- 年：2016
- 卷：418-419
- 期：Complete
- 页码：1-8
- 全文大小：1047 K
文摘
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Phenolic hydroxyl-functionalized imidazolium ionic liquids were synthesized from reaction of imidazole derivatives and alkyl bromides.
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The high catalytic activity of ionic liquids in the reaction of CO2 and epoxides attributed to synergistic effect of phenolic hydroxyl and C2-H.
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The TOF of IL-2 was 900 h-1 in the reaction of CO2 and epichlorohydrin (in 90% yield) under mild reaction conditions.