期刊
JOURNAL OF ORGANIC CHEMISTRY
卷 72, 期 9, 页码 3218-3222出版社
AMER CHEMICAL SOC
DOI: 10.1021/jo0624851
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The palladium-catalyzed cyclocarbonylation reaction of o-iodoanilines with allenes and CO in 1-butyl-3-methylimidazolium hexafluorophosphate afforded 3-methylene-2,3-dihydro-1H-quinolin-4-ones in moderate to excellent yields under a low pressure (5 atm) of CO. The ionic liquid, as the solvent and promoter, enhances the efficiency of the cyclocarbonylation reaction. The recyclability of the system of ionic liquid/catalyst/ligand was also demonstrated.
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