Degenerate rearrangement of long-lived 9-cyclopropyl-9,10-dimethyl-9,10-dihydrophenanthren-9-ylium: Migration of cyclopropyl group

被引：0
|
作者：
A. M. Genaev
G. E. Sal’nikov
V. G. Shubin
机构：
[1] Russian Academy of Sciences,Vorozhtsov Novosibirsk Institute of Organic Chemistry, Siberian Division
来源：
Russian Journal of Organic Chemistry | 2010年 / 46卷
关键词：
Cyclopropane Ring; Electrophilic Substitution Reaction; Cyclopropyl Group; Fluorosulfonic Acid; Colorless Oily Substance;
D O I：
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学科分类号：
摘要：
Dynamic NMR study showed that long-lived 9-cyclopropyl-9,10-dimethyl-9,10-dihydrophenanthren-9-yl cation generated from 9-cyclopropyl-9,10-dimethyl-9,10-dihydrophenanthren-9-ol in HSO3F-SO2ClF-CD2Cl2 at −100 to −75°C undergoes fast degenerate 1,2-shift of the cyclopropyl group. The Arrhenius parameters for this process were determined: Ea = 33.7 kJ/mol, log A = 13.0.
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页码：311 / 317
页数：6
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