申请人:OCCIDENTAL CHEMICAL CORPORATION
公开号:EP0417690A2
公开(公告)日:1991-03-20
Halogen substituted aromatic compounds of the formula
wherein Y is selected from the group CO₂H, COF, COCl, COBr, CF₃, CN, NCO, or F, and X and X′ are independently hydrogen or a halogen selected from the group F-, Cl- and Br-, at least one of X and X′ being halogen; may be prepared by the liquid phase reaction of a brominating agent, at temperatures below about 190° Celsius, with a correspondingly substituted cyclohexene or cyclohexadiene.
式中的卤素取代的芳香族化合物
其中 Y 选自 CO₂H、COF、COCl、COBr、CF₃、CN、NCO 或 F 组,X 和 X′ 独立地为氢或选自 F-、Cl- 和 Br- 组的卤素,X 和 X′ 中至少有一个为卤素;可通过溴化剂与相应取代的环己烯或环己二烯在低于约 190 摄氏度的温度下进行液相反应制备。