A CLAISEN REARRANGEMENT STRATEGY FOR THE 3-ATOM RING EXPANSION OF CYCLIC-KETONES - A TOTAL SYNTHESIS OF (+/-) PRECAPNELLADIENE

被引:41
作者
PETASIS, NA
PATANE, MA
机构
[1] Department of Chemistry, University of Southern California, Los Angeles
关键词
D O I
10.1016/S0040-4039(00)97175-2
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The aldol products derived from cyclic ketone enolates undergo Baeyer-Villiger oxidation to give after dehydration the corresponding vinylic-substituted lactones. Titanium-mediated olefination followed by Claisen rearrangement leads to an overall three-atom ring-expansion. The application of this strategy to a concise total synthesis of (±) precapnelladiene (22) is reported. © 1990.
引用
收藏
页码:6799 / 6802
页数:4
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