EPOXIDATION OF ENAMINES BY DIMETHYLDIOXIRANE - FORMATION OF 1,4-DIOXANES BY ENAMINE EPOXIDE DIMERIZATION

被引：18
|
作者：
ADAM, W
PETERS, EM
PETERS, K
VONSCHNERING, HG
VOERCKEL, V
机构：
[1] MAX PLANCK INST FESTKORPERFORSCH,W-7000 STUTTGART 80,GERMANY
[2] UNIV MERSEBURG,INST TECH CHEM,O-4200 MERSEBURG,GERMANY
来源：
CHEMISCHE BERICHTE-RECUEIL | 1992年 / 125卷 / 05期
关键词：
EPOXIDATION; ENAMINES; DIMETHYLDIOXIRANE; 1,4-DIOXANES; 1,3-DIPOLES;
D O I：
10.1002/cber.19921250536
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The 1,4-dioxanes 3a-f, which constitute dimers of the enamine epoxides 2a-f, were obtained in excellent yields as crystalline products during the oxygen transfer to the corresponding enamines by dimethyldioxirane (DMD) in acetone. In methanol at -78-degrees-C, enamine 1 b gave with dimethyldioxirane the beta-hydroxy acetal 4b as the expected trapping product of the intermediary enamine epoxide 2b.
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收藏
页码：1263 / 1266
页数：4
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