Double deprotonation of acetylenic oxiranes: Synthesis of allenic ketones through dilithio ynenolates

被引:18
作者
Denichoux, A [1 ]
Ferreira, F [1 ]
Chemla, F [1 ]
机构
[1] Univ Paris 06, UMR 7611, Chim Organ Lab, F-75252 Paris 05, France
关键词
D O I
10.1021/ol048630j
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The double deprotonation of acetylenic oxiranes gives allenic ketones through the 1,2-H or 1,2-Ar shift on the transient oxiranyl dianion intermediates. The resulting dilithium ynenolates give allenic ketones upon hydrolysis or can be quenched with various electrophiles.
引用
收藏
页码:3509 / 3512
页数:4
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