A cascade cyclization approach to schweinfurthin B.
A cascade cyclization approach to schweinfurthin B.
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DOI:
10.1002/chin.200310208
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发表时间:
2002-09
期刊:
影响因子:
5.2
通讯作者:
E. Treadwell;J. Neighbors;D. Wiemer
中科院分区:
文献类型:
--
作者:
E. Treadwell;J. Neighbors;D. Wiemer
[reaction: see text] A strategy for synthesis of the hexahydroxanthene moiety of the natural products schweinfurthin A, B, and D is described. The relative stereochemistry in the key cationic cyclization step is established through the preference of the phenylselenide substituent for an equatorial orientation.