期刊
CHEMICAL COMMUNICATIONS
卷 -, 期 25, 页码 3162-3164出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/b417625c
关键词
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The indolic terpene alkaloid alpha-cyclopiazonic acid 1 has been prepared in 11 steps from indole-4-methanol 6; the key step is a carbocationic cascade, terminated by a 4-nitrosulfonamide group and initiated by benzylic carbocation formation directly from the intermediate 9, which gives the tetracyclic product 10 in 74% yield.
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