Three-step regioselective synthesis of 2,3-difluorohalobenzenes using tetrafluoroethylene and buta-1,3-diene as starting building blocks

被引：4
|
作者：
Volchkov, N. V. [1 ]
Lipkind, M. B. [1 ]
Nefedov, O. M. [1 ]
Egorov, M. P. [1 ]
机构：
[1] Russian Acad Sci, ND Zelinsky Inst Organ Chem, 47 Leninsky Prosp, Moscow 119991, Russia
来源：
RUSSIAN CHEMICAL BULLETIN | 2021年 / 70卷 / 05期
关键词：
tetrafluoroethylene; buta-1; 3-diene; cycloaddition; tetrafluorocyclohexenes; halogenation; dihalotetrafluorocyclohexanes; dehydrohalogenation; 1-bromo-2; 3-difluorobenzene; 1-chloro-2; 1-halo-5; 5; 6; 6-tetrafluorocyclohexenes; 2+2 CYCLOADDUCTS; FLUORINE; CYCLOPENTADIENE; AROMATIZATION; DERIVATIVES; GENERATION; BUTADIENES; CHEMISTRY;
D O I：
10.1007/s11172-021-3168-5
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The gas-phase copyrolysis of tetrafluoroethylene and buta-1,3-diene in a flow tube reactor at 490-510 degrees C gives 3,3,4,4-tetrafluorocyclohex-1-ene, which is selectively converted to 1-bromo- or 1-chloro-2,3-difluorobenzene via intermediate steps of halogenation and dehydrohalogenation.
引用
收藏
页码：925 / 932
页数：8
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