申请人:Takeda Chemical Industries, Ltd.
公开号:US05328643A1
公开(公告)日:1994-07-12
The invention relates to optically active compounds represented by the general formula I ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, Q.sub.1, Q.sub.2, Q.sub.3, 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.
这项发明涉及一般式I代表的光学活性化合物,其中R.sub.1、R.sub.2、R.sub.3、R.sub.4、Q.sub.1、Q.sub.2、Q.sub.3和M的定义如规范中所述,以及它们的制备方法和中间体,包括至少一种一般式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。