Dramatic Enhancement of Catalytic Activity in an Ionic Liquid: Highly Practical Friedel-Crafts Alkenylation of Arenes with Alkynes Catalyzed by Metal Triflates
Choong Eui Song*, Da-un Jung, Su Yhen Choung, Eun Joo Roh and Sang-gi Lee
*Institute of Basic Science, Department of Chemistry, Sungkyunkwan
University, 300 Chunchun, Jangan, Suwon, Kyunggi, 440-746, Korea, Email:
s1673
skku.edu
C. E. Song, D.-U. Jung, S. Y. Choung, E. J. Roh, S.-G. Lee, Angew. Chem. Int. Ed., 2004, 43, 6183-6185.
DOI: 10.1002/anie.200460292
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Abstract
The employment of hydrophobic ionic liquids dramatically enhanced the activity of metal triflates in Friedel-Crafts alkenylations of aromatic compounds with various alkyl- and aryl-substituted alkynes.
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Key Words
alkenylation, Friedel-Crafts Reaction, C-C bond formation, homogeneous catalysis, ionic liquids, Lewis acids, coumarins, 2-quinolones
ID: J06-Y2004-880
