DIELS-ALDER REACTIONS OF ALPHA-VINYLIDENE-GAMMA-BUTYROLACTONES

被引:7
作者
FOTIADU, F [1 ]
ARCHAVLIS, A [1 ]
BUONO, G [1 ]
机构
[1] ECOLE SUPER CHIM MARSEILLE,CNRS,LAB 1410,AV ESCADRILLE NORMANDIE NIEMEN,F-13397 MARSEILLE 13,FRANCE
关键词
D O I
10.1016/S0040-4039(00)97752-9
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
α-Vinylidene-γ-butyrolactones 2 and 4 are readily prepared via the reaction of ylides 1 or 3 with ketene. Diels-Alder cycloadditions of these compounds with typical dienes are described, addition of 2 to cyclopentadiene giving predominantly the exo stereomer. © 1990.
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页码:4859 / 4862
页数:4
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