Highly efficient stereocontrolled total synthesis of (+)-upial

被引:9
|
作者
Takahashi, Kazunori [1 ]
Watanabe, Masayuki [1 ]
Honda, Toshio [1 ]
机构
[1] Hoshi Univ, Fac Pharmaceut Sci, Shinagawa Ku, Tokyo 1428501, Japan
关键词
intramolecular reactions; natural products; silanes terpenoids; total synthesis;
D O I
10.1002/anie.200704423
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
(Chemical Equation Presented) Dual benefit:(+)-Upial, isolated from the sponge Dysidea fragilis (Kaneohe Bay, Hawaii), as a nonisoprenoid sesquiterpene aldehyde lactone, was efficiently synthesized. The key step involved an intramolecular carbonyl-ene reaction, in which the stereocontrolled construction of a bicyclo[3.3.1]nonane ring with five asymmetric carbon centers and the facile introduction of the exo-methylene unit were achieved in a single step (see scheme). © 2008 Wiley-VCH Verlag GmbH & Co. KGaA.
引用
收藏
页码:131 / 133
页数:3
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