Journal
CHEMICAL COMMUNICATIONS
Volume 46, Issue 12, Pages 2145-2147Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/b925285a
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Funding
- National Science Foundation of China [20532040, 20772145]
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A new, rapid and high-yielding method to prepare 3,4-disubstituted 2-trifluoromethylquinolines by a palladium catalyzed tandem Sonogashira-alkyne carbocyclization of beta-trifluoromethyl beta-enaminoketones with arynes is described. Moderate to excellent yields have been achieved under mild conditions. This reaction can also be expanded to the non-fluorine containing substrates. The reaction mechanism is also discussed.
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