申请人:HITACHI, LTD.
公开号:EP0388960A1
公开(公告)日:1990-09-26
The present invention discloses chiral liquid crystal compounds represented by the general formula I
intermediates for preparation of said compounds, liquid crystal compositions comprising said compounds, and liquid crystal optical modulators using said compositions wherein R1 is an alkyl or alkenyl group, R2, R3 and R4 are alkyl groups, Q1, 02 and Q3 are a single bond, a (thio)ether group, a (thio)carboxylic acid ester group, a carbonyl group or a carbonyldioxy group, M is a structure comprising six-membered 1,4-diyl groups, and n is an integer of 2-6.
本发明公开了由通式 I 表示的手性液晶化合物
其中 R1 是烷基或烯基,R2、R3 和 R4 是烷基,Q1、02 和 Q3 是单键、(硫)醚基、(硫)羧酸酯基、羰基或羰基二氧基,M 是由六元 1,4 二基组成的结构,n 是 2-6 的整数。