期刊
JOURNAL OF ORGANIC CHEMISTRY
卷 85, 期 2, 页码 430-440出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.joc.9b02444
关键词
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资金
- NNSFC [21672005, 21172002]
The Lewis acid-catalyzed annulations between anthranils and gamma-butyrolactone-fused donor-acceptor cyclopropanes have been developed. Depending on the anthranils used, such annulations proceeded in a chemodivergent way to produce either bridged cyclic products via [4 + 3] annulation or gamma-butyrolactone-fused tetrahydroquinoline products via a cascade process in moderate to high yields. A probable mechanism for the two reaction pathways has been proposed. The reaction could be performed on a gram-scale, and the products could be elaborated to other useful cyclic structures bearing multiple contiguous stereogenic centers.
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