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.

引用

页码：1263 / 1266

页数：4

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