申请人:TOSOH FINECHEM CORPORATION
公开号:US10654779B2
公开(公告)日:2020-05-19
There is provided a substituted bis(trifluorovinyl)benzene compound that is excellent in heat stability and is industrially useful, and a method for producing the same. There are used a substituted bis(trifluorovinyl)benzene compound represented by general formula (1);
and a method for producing a substituted bis(trifluorovinyl)benzene compound, comprising the step of reacting in the presence of a catalyst (such as palladium) a bishalobenzene derivative represented by general formula (3)
and a compound obtained by reacting 1,1,1,2-tetrafluoroethane, a zinc halide, and an organolithium compound and represented by general formula (4),
to thereby obtain a substituted bis(trifluorovinyl)benzene compound represented by general formula (1).
本发明提供了一种热稳定性优异且具有工业用途的取代双(三氟乙烯基)苯化合物,以及生产该化合物的方法。本发明使用了通式(1)代表的取代双(三氟乙烯基)苯化合物;
以及一种生产取代的双(三氟乙烯基)苯化合物的方法,包括以下步骤:在催化剂(如钯)存在下,使通式(3)所代表的双卤代苯衍生物发生反应
和由 1,1,1,2-四氟乙烷、卤化锌和有机锂化合物反应得到的通式 (4) 所表示的化合物、
从而得到通式(1)代表的取代双(三氟乙烯基)苯化合物。