期刊
JOURNAL OF ORGANIC CHEMISTRY
卷 80, 期 16, 页码 8189-8197出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.joc.5b01270
关键词
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A short and efficient one-pot synthesis of uracil derivatives with a high structural variability is described. The process is a multicomponent reaction based on a palladium-catalyzed carbonylation of alpha-chloroketones in the presence of primary amines and isocyanates. In most cases, when the formation of unsymmetrical N,N'-disubstituted uracil derivatives can occur, the methodology demonstrates to be highly regioselective. A mechanistic hypothesis involving beta-dicarbonyl palladium intermediates and urea derivatives, generated in situ, has been discussed.
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