申请人:Kanto Kagaku Kabushiki Kaisha
公开号:EP0315701A1
公开(公告)日:1989-05-17
A novel chemically stable, optically active biphenyl compound having practically excellent properties and represented by general formula (I), wherein R* is an alkyl group having 4 to 14 carbon atoms and an asymmetric carbon atom, one or two of X1, X2, X3 and X4 is a fluorine atom or a chlorine atom and the other substituents are each a hydrogen atom, Y is R, OR, COOR or OCOR and R is an alkyl group having 3 to 4 carbon atoms, provided that Y is not R when X, is halogen atom, and a novel ferroelectric liquid crystal composition containing said compound.
一种化学性质稳定、光学活性极佳的新型联苯化合物,由通式(I)表示,其中R*是具有4至14个碳原子和一个不对称碳原子的烷基,X1、X2、X3和X4中的一个或两个是氟原子或氯原子,其他取代基都是氢原子,Y是R、OR、COOR或OCOR,R是具有3至14个碳原子的烷基、X3和X4中的一个或两个是氟原子或氯原子,其他取代基都是氢原子,Y是R、OR、COOR或OCOR,R是具有3至4个碳原子的烷基,但当X是卤素原子时,Y不是R,以及含有所述化合物的新型铁电液晶组合物。