Green Lewis acid catalysis in organic synthesis

@article{Kobayashi2000GreenLA,
  title={Green Lewis acid catalysis in organic synthesis},
  author={Shuj Kobayashi and Kei Manabe},
  journal={Pure and Applied Chemistry},
  year={2000},
  volume={72},
  pages={1373 - 1380}
}
Abstract New types of Lewis acids as water-stable catalysts have been developed. Metal salts such as rare earth metal triflates can be used in carbon_carbon bond-forming reactions in aqueous media. These salts can be recovered after the reactions and reused. Furthermore, Lewis acid_surfactant-combined catalysts, which can be used for reactions in water without using any organic solvents, have been also developed. Finally, Lewis acid catalysis in supercritical carbon dioxide has been… 
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