Abstract
Palladium-catalyzed hydroxycarbonylations of aryl halides and benzyl chloride derivatives proceeded in ionic liquid media (l-butyl-3-methylimidazolium hexafluorophosphate (1), tetrafluoroborate (2) and Aliquat®336 (3)). The palladium-catalyst/mixture could be recycled, after separation of the product by extraction with water. The use of ionic liquid media greatly increased the yield of benzoic acid in hydroxycarbonylation.
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Mizushima, E., Hayashi, T. & Tanaka, M. Environmentally Benign Carbonylation Reaction: Palladium-Catalyzed Hydroxycarbonylation of Aryl Halides and Benzyl Chloride Derivatives in Ionic Liquid Media. Topics in Catalysis 29, 163–166 (2004). https://doi.org/10.1023/B:TOCA.0000029798.75155.ff
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DOI: https://doi.org/10.1023/B:TOCA.0000029798.75155.ff