期刊
JOURNAL OF ORGANIC CHEMISTRY
卷 73, 期 19, 页码 7451-7456出版社
AMER CHEMICAL SOC
DOI: 10.1021/jo8009243
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资金
- Ministry of Education, Culture, Sports, Science and Technology, Japan
[GRAPHICS] We demonstrated a catalytic cascade inverse electron demand hetero-Diels-Alder reaction (Povarov reaction) and hydrogen-transfer process. The reaction of electron-rich olefins and excess amount of imines in the presence of acid catalysts under appropriate conditions affords substituted quinolines in a single operation. In the cascade process, the catalysts, such as Tf2NH, TfOH, and Lewis acids, catalyze two mechanistically distinct reactions (auto-tandem catalysis). We also describe the synthetic utility of the prepared quinolines.
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