| 离子液体中苄基氯在银电极上的电催化羧化 |
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| 引用本文： | 钮东方,张静波,张凯,薛腾,陆嘉星. 离子液体中苄基氯在银电极上的电催化羧化[J]. 中国化学, 2009, 27(6): 1041-1044. DOI: 10.1002/cjoc.200990174 |
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| 作者姓名： | 钮东方 张静波 张凯 薛腾 陆嘉星 |
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| 作者单位： | 上海市绿色化学与化工过程绿色化重点实验室,华东师范大学化学系上海200062 |
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| 摘 要： | 在饱和了CO2的室温离子液体中，首次在银电极上研究了苄基氯电羧化的可行性。通过循环伏安法研究了苄基氯在不同电极上的电化学行为，结果表明了银电极对苄基氯的还原具有很强的电催化效果。在最优化的条件下，得到了苯乙酸的最高产率为45%。在连续的4次离子液体回收利用过程中，随着离子液体使用次数的增加苯乙酸的产率逐渐降低。
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| 关 键 词： | 电催化羧化 苄基氯 二氧化碳 银电极 离子液体 |
| 收稿时间： | 2008-08-12 |
| 修稿时间： | 2008-12-18 |
Electrocatalytic Carboxylation of Benzyl Chloride at Silver Cathode in Ionic Liquid BMIMBF4 |
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| Dongfang NIU,Jingbo ZHANG,Kai ZHANG,Teng XUE,Jiaxing LU. Electrocatalytic Carboxylation of Benzyl Chloride at Silver Cathode in Ionic Liquid BMIMBF4[J]. Chinese Journal of Chemistry, 2009, 27(6): 1041-1044. DOI: 10.1002/cjoc.200990174 |
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| Authors: | Dongfang NIU Jingbo ZHANG Kai ZHANG Teng XUE Jiaxing LU |
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| Affiliation: | 1. Shanghai Key Laboratory of Green Chemistry and Chemical Processes, Department of Chemistry, East China Normal University, Shanghai 200062, China;2. Tel: 0086‐021‐62233491;3. Fax: 0086‐021‐62232414 |
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| Abstract: | The feasibility of electrocarboxylation of benzyl chloride has been investigated at silver cathode in CO2‐saturated room‐temperature ionic liquid 1‐butyl‐3‐methylimidazolium tetrafluoroborate (BMIMBF4) solution for the first time. The electrochemical behavior was studied at different electrodes by cyclic voltammetry, which showed significant electrocatalytic effect of the silver electrode on the reduction of benzyl chloride. The highest yield of 45% of phenylacetic acid was obtained under optimal conditions. The recovered ionic liquid was reused for four times with gradual decrease in the yield of phenylacetic acid. |
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| Keywords: | electrocatalytic carboxylation benzyl chloride CO2 silver cathode, ionic liquid |
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