The high stereoselectivity of the tandem sequence Diels-Alder reaction/Ireland-Claisen rearrangement starting from substituted O-(E)-Buta-1,3-dienyl ketene acetals and cyclic dienophiles

被引:4
|
作者
Soldermann, Nicolas
Velker, Joerg
Neels, Antonia
Stoeckli-Evans, Helen
Neier, Reinhard
机构
[1] Univ Neuchatel, Inst Chim, CH-2009 Neuchatel, Switzerland
[2] Novartis Inst BioMed Res Basel, CH-4056 Basel, Switzerland
[3] Actel Pharmaceut Ltd, Innovat Ctr, CH-4123 Allschwil, Switzerland
[4] Univ Neuchatel, Inst Microtech, CH-2009 Neuchatel, Switzerland
来源
SYNTHESIS-STUTTGART | 2007年 / 15卷 / 15期
关键词
cycloaddition; Diels-Alder reaction; rearrangement; stereoselectivity; tandem reaction;
D O I
10.1055/s-2007-983773
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
A new tandem reaction leads to bicyclic cyclohexene derivatives with complete control of the relative configuration of the four chiral centers formed. The high diastereoselectivity is the consequence of an endo-selective Diels-Alder reaction followed by an Ireland-Claisen rearrangement that proceeds via a boat-like transition state.
引用
收藏
页码:2379 / 2387
页数:9
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