Halogenation of N-substituted p-quinone monoimines and p-quinone monooxime esters: X. Halogenation of N-aroyl-2,5(2,3)-dialkyl-1,4-benzoquinone monoimines and their reduction products

被引：0
|
作者：
A. P. Avdeenko
S. A. Konovalova
O. N. Ludchenko
机构：
[1] Donbass State Machine-Building Academy,
来源：
Russian Journal of Organic Chemistry | 2009年 / 45卷
关键词：
AcOH; Benzamide; Aminophenol; Quinoid Ring; Quinone Imine;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Introduction of a strong electron-withdrawing substituent to the nitrogen atom of 2,5(2,3)-dialkyl-1,4-benzoquinone imines makes their halogenation products, the corresponding cyclohexene derivatives, very unstable and favors halogenation of methyl groups in the quinoid ring. Bromination of 4-amino-N-aroyl-2,5-dialkyl-6-bromophenols gave 2,5-dialkyl-6-benzoyloxy-3,5-dibromocyclohex-2-ene-1,4-diones.
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页码：1799 / 1813
页数：14
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