Fluorination of tetrafluorobenzenes C(6)HF(4)R with XeF2

被引：7
|
作者：
Bardin, VV [1 ]
Shchegoleva, LN [1 ]
Frohn, HJ [1 ]
机构：
[1] GERHARD MERCATOR UNIV DUISBURG,FACHGEBIET ANORGAN CHEM,D-47048 DUISBURG,GERMANY
来源：
JOURNAL OF FLUORINE CHEMISTRY | 1996年 / 77卷 / 02期
关键词：
tetrafluorobenzenes; pentafluorobenzene; xenon difluoride; fluorination; fluorodeprotonation; NMR spectroscopy;
D O I：
10.1016/0022-1139(96)03401-X
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Replacement of hydrogen by fluorine and addition of fluorine atoms to the aromatic ring were found in the reaction of XeF2 with 1-R-2,3,4,5-tetrafluorobenzene (R = H, F, Br, NO2) or 1-R-2,3,4,6-tetrafluorobenzene (R = H, CF3) in HF or CH2Cl2-BF3 . OEt(2). Only fluorine addition took place in the case of 1-R-2,3,5,6-tetrafluorobenzenes (R = H, Br, CF3) or 1-Br-2,3,4,6-tetrafluorobenzene. The role of cation radicals as reactive intermediates is discusseed.
引用
收藏
页码：153 / 159
页数：7
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