Cyclopropanation of 5-(allyloxymethyl)- and 5-(methallyloxymethyl)-5-ethyl-1,3-dioxanes with methyl diazoacetate

被引：0
|
作者：
L. N. Ivanova
A. N. Lobov
A. A. Fatykhov
R. M. Sultanova
S. S. Zlotskii
V. A. Dokichev
机构：
[1] Russian Academy of Sciences,Institute of Organic Chemistry, Ufa Scientific Center
[2] Ufa State University of Oil Engineering,undefined
来源：
Russian Journal of Organic Chemistry | 2011年 / 47卷
关键词：
AcOEt; Cyclopropane Ring; Imidazolium Salt; Allyl Ether; Methyl Trans;
D O I：
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摘要：
Reactions of 5-(allyloxymethyl)- and 5-(methallyloxymethyl)-5-ethyl-1,3-dioxanes with methyl diazoacetate catalyzed by Rh2(OAc)4 or Cu(OTf)2 in the presence of [bmim]+Cl−, [bmim]+BF4−, and [bmim]+PF6− proceed regioselectively at the C=C bond and lead to the formation of the corresponding cyclopropane-containing 1,3-dioxanes in yields up to 62%.
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页码：1755 / 1760
页数：5
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