Intramolecular Diels-Alder reaction with an α-methylene lactone as dienophile

被引：0
|
作者：
Maier, ME [1 ]
Perez, C [1 ]
机构：
[1] Univ Halle Wittenberg, Fachbereich Chem, Inst Organ Chem, D-06120 Halle, Germany
来源：
SYNLETT | 1998年 / 02期
关键词：
intramolecular Diels-Adler; decaline system; force-field calculations;
D O I：
暂无
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
Starting from the alcohol 1, the alpha-methylene-gamma-butyrolactone 4 was prepared. This triene underwent an intramolecular Diels-Alder reaction at 110 degrees C to give the tricyclic cycloadducts 5a,b in 74% yield. The thermal reaction produced mainly the endo-isomer 5a (endo/exo = 6:1).
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页码：159 / +
页数：3
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