申请人:Dainippon Ink & Chemicals, Inc.
公开号:US04828754A1
公开(公告)日:1989-05-09
A liquid crystalline compound represented by formula ##STR1## wherein R denotes an alkyl or alkoxy group having 1 to 20 carbon atoms, m and n are each 0 or 1, provided m and n are not 1 at the same time. ##STR2## X and Y each denote a hydrogen atom, a halogen atom or a nitro group, provided X and Y are not hydrogen atoms at the same time, and Q* denotes an optically active group having an asymmetric carbon atom and a linear or cyclic alkyl or alkenyl group which may be substituted by a halogen atom, or the like.
一种液晶化合物,其化学式为##STR1##其中R表示具有1至20个碳原子的烷基或烷氧基基团,m和n分别为0或1,但m和n不能同时为1。##STR2##X和Y分别表示氢原子、卤素原子或硝基基团,但X和Y不能同时为氢原子,Q*表示具有不对称碳原子和线性或环状烷基或烯基基团的光学活性基团,该基团可能被卤素原子等取代。