申请人:Takeda Chemical Industries
公开号:US05269965A1
公开(公告)日:1993-12-14
The invention relates to optically active compounds represented by the general formula ##STR1## wherein R.sub.1, R.sub.2, Q.sub.1, Q.sub.2, Q.sub.3, ##STR2## and M are defined as in the specification, methods and intermediates for their preparation, liquid crystal compositions comprising at least one optically active compound of formula I and their use in electrooptical display, switching and modulation devices.
该发明涉及一种光学活性化合物,其表示为一般式##STR1##其中R.sub.1、R.sub.2、Q.sub.1、Q.sub.2、Q.sub.3、##STR2##和M的定义如规范中所述,以及它们的制备方法和中间体,包括至少一种式I的光学活性化合物的液晶组合物,以及它们在电光显示、开关和调制装置中的使用。