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手性离子液:新型高效的手性有机小分子催化剂

Chiral Ionic Liquids:Efficient and Recyclable Asymmetric Organocatalysts

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【作者】 罗三中程津培

【Author】 Luo Sanzhong Center for Chemical Biology, Beijing National Laboratory for Molecular Sciences (BNLMS), Institute of Chemistry, CAS, Beijing 100080Cheng Jinpei State Key Laboratory of Elemento-organic Chemistry,Nankai University,Tianjin 300071

【机构】 中科院化学所北京分子科学国家实验室南开大学元素有机化学国家重点实验室

【Abstract】 Asymmetric organocatalysts has been increasingly recognized as an important green alternative the highly-developed asymmetric transition metal catalysis and biotransformation. However, organocatalysis is just in its infancy and has many limitations such low efficiency and limited substrate scopes. We presented herein a novel strategy to address the above challenges by incorporating ionic-liquid moieties as building blocks for organocatalysts. The chiral ionic-liquid (CIL) organocatalysts still maintained the unique properties of ionic liquid, and meanwhile, served as efficient catalyst for judiciously selected reactions. The CIL organocatalysts were shown to be highly efficient and stereoselective catalysts for asymmetric Michael additions. By simple swap of the ionic liquid anion with a surfactant anion, a highly efficient catalysis was realized for the first time in pure water.

  • 【文献出处】 中国基础科学 ,China Basic Science , 编辑部邮箱 ,2007年02期
  • 【分类号】TQ426.7
  • 【被引频次】1
  • 【下载频次】352
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