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Photoisomerization of Ionic Liquid Ammonium Cinnamates: One-Pot Synthesis-Isolation of Z-Cinnamic Acids

  作者 SALUM MARIA L; ROBLES CECILIA J; ERRABALSELLS ROSA  
  选自 期刊  Organic Letters;  卷期  2010年12-21;  页码  4808-4811  
  关联知识点  
 

[摘要]Photoisomerization presents the only direct method for contra-thermodynamic E-Z isomerization of olefins. Synthetic applications of this method have been limited by its reversible nature, which leads to a photostationary-state mixture of both isomers. For the first time, a highly efficient one-pot preparation isolation of solid ionic liquid Z-cinnamic acids by photoisomerization in acetonitrile solution of ionic liquid E-cinnamic acids is described.

 
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