FACILE SYNTHESIS OF ALPHA-HYDROXYBUTENOLIDES AND ALPHA-KETO-BETA-ALLYL-GAMMA-BUTYROLACTONES

被引：4
|
作者：
SHIMIZU, I
MARUYAMA, T
HASEGAWA, H
机构：
来源：
CHEMISTRY LETTERS | 1991年 / 08期
关键词：
D O I：
10.1246/cl.1991.1349
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The reaction of alpha-keto-beta-alkyl-beta-allyloxycarbonyl-gamma-butyrolactones with ammonium formate in the presence of palladium catalyst gave alpha-hydroxybutenolides in good yields. When the reaction was carried out without ammonium formate, decarboxylation-allylation took place to give allyl enol ethers of alpha-hydroxybutenolides, which were converted to alpha-keto-beta-allyl-gamma-butyrolactones by the thermal Claisen rearrangement.
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页码：1349 / 1350
页数：2
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