Journal
ORGANIC & BIOMOLECULAR CHEMISTRY
Volume 3, Issue 20, Pages 3794-3804Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/b509400c
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Rapid synthesis of quinoline-4-carboxylic acid derivatives has been achieved by reaction of 2-methoxy acrylates or acrylamides with N-arylbenzaldimines in acetonitrile under InCl3 catalysis and microwave irradiation. Isolated yields up to 57% within 3 min have been obtained. The Lewis acid and the microwave activation appeared as crucial parameters for the reaction. The role of indium chloride and ytterbium triflate was specified using C-13 NMR data and model theoretical studies.
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