Halogen-containing, optically active liquid crystal compound and liquid crystal composition containing same
申请人:Chisso Corporation
公开号:EP0197677A2
公开(公告)日:1986-10-15
A novel optically active liquid crystal compound and a liquid crystal composition containing the same are provided, which compound is expressed by the formula
wherein R1 is alkyl or alkoxy of 4 - 18 C; R2 is alkyl, alkoxy, acyl or alkoxymethyl of 4 - 18C; but either one of R1 or R2 is an optically active group; either one of X1 or X2 is halogen atom and the other is H; m and n each are 0 or 1 and m+n is 0 or 1.
本发明提供了一种新型光学活性液晶化合物和含有该化合物的液晶组合物,该化合物由式表示 其中 R1 是 4 - 18C 的烷基或烷氧基;R2 是 4 - 18C 的烷基、烷氧基、酰基或烷氧基甲基;但 R1 或 R2 中的任一个是光学活性基团;X1 或 X2 中的任一个是卤素原子,另一个是 H;m 和 n 各为 0 或 1,m+n 为 0 或 1。