Immobilization of Pd(II) Catalysts for Cyclopropanation in Ionic Liquid |
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引用本文: | 杨帆,张仰明,仇文卫,汤杰,何鸣元. Immobilization of Pd(II) Catalysts for Cyclopropanation in Ionic Liquid[J]. 中国化学, 2002, 0(1) |
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作者姓名: | 杨帆 张仰明 仇文卫 汤杰 何鸣元 |
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作者单位: | YANG,Fan ZHANG,Yang-Ming QIU,Wen-Wei TANG,Jie HE,Ming-Yuan Center for the Chemistry of Ionic Liquids,Department of Chemistry,East China Normal University,Shanghai 200062,China |
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基金项目: | theFoundationofShanghaiScienceandTechnologyDevelopment (No .0 1JC140 0 2 ) |
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摘 要: | Homogeneouscatalysisoffersmanyadvantagesoverheterogenouscatalysiswithrespecttoactivity ,selectivi ty ,flexibilityofoperation .However ,thecontinuouscat alystconsumption ,catalystremovalfromtheproductsandcatalystdisposalhavestilltobeimproved .Anat tractiveap…
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Immobilization of Pd(II) Catalysts for Cyclopropanation in Ionic Liquid |
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Abstract: | Cyclopropanation of styrene with ethyl diazoacetate catalyzed by Pd(II) in ionic liquid was investigated. Palladium catalysts can be effectively immobilized in ionic liquid. The catalysts PdCl 2 and cyclopalladated complex 2 contained in ionic liquid could be recycled for 6 and 7 times, respectively, without losing the efficiency. |
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Keywords: | ionic liquid cyclopropanation palladium catalysts |
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