申请人:Chisso Corporation
公开号:US05080827A1
公开(公告)日:1992-01-14
An optically active compound particularly useful as a component of liquid crystal compositions having a high response rate and a chiral liquid crystal composition containing the same are provided, which optically active compound is expressed by the formula (I) ##STR1## wherein R.sup.1 represents alkyl or alkoxy each of 1-20 C, H, halogen or CN; ##STR2## and ##STR3## each represent a specified six-membered ring; R.sup.2 represents alkyl of 1-20 C; the asterisk designates an asymmetric carbon atom; and m and n each represents 0 or 1.
提供了一种作为液晶组分特别有用的光学活性化合物,具有高响应速率,并且包含该光学活性化合物的手性液晶组合物。该光学活性化合物由以下式(I)表示:
其中R.sup.1代表1-20碳的烷基或烷氧基,H,卤素或CN;##STR2##和##STR3##各代表指定的六元环;R.sup.2代表1-20碳的烷基;星号表示一个不对称碳原子;m和n各自表示0或1。