Catalyzed asymmetric Diels-Alder reactions of benzoquinone. totalsynthesis of (-)-ibogamine

被引:31
作者
White, JD [1 ]
Choi, YG [1 ]
机构
[1] Oregon State Univ, Dept Chem, Corvallis, OR 97331 USA
关键词
D O I
10.1002/hlca.200290014
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The Diels-Alder reaction of 1.4-benzoquinone with 1.3-dienes catalyzed by Mikami's [Ti{(S)-binol(2 -)}Cl;] complex (binoi = [1.1 binaphthalene]-2.2 -diol) gives cycloadducts in good yield and in high enantiomer excess. A model is proposed to explain the observed absolute Configuration of cycloadducts and the reaction is used as the key step in an asymmetric synthesis leading to the alkaloid ( )-ibogamine.
引用
收藏
页码:4306 / 4327
页数:22
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