Journal
CHINESE JOURNAL OF CHEMISTRY
Volume 30, Issue 12, Pages 2819-2822Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cjoc.201200675
Keywords
homogeneous catalysis; acylation; Heck reaction; phosphine-free ligand; nitrile group
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Funding
- National Natural Science Foundation of China [20676033]
- China Post-doctoral Science Foundation [20070410169]
- Shanghai Leading Academic Discipline Project [B507]
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Water-soluble diol-functionalized imidazolium ionic liquid 1, prepared from 2,2-bis(1-methyl-methyl-imidazolium)propane-1,3-diol bromide, potassium hydroxide, and malononitrile, was used as an efficient phosphine-free ligand for palladium-catalyzed arylation of aryl halides with acrylates in aqueous phase under mild conditions. It was found that the synergistic coordinating action of diol-functionalized imidazolium cation with CN-containing anion played the key role in improving the activity and stability of the catalyst.
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