申请人:Chisso Corporation
公开号:EP0277815A2
公开(公告)日:1988-08-10
Optically active ethers, suitable for use in ferroelectric liquid crystal compositions have the formula:
in which R¹ is a straight or branched alkyl, alkoxy, alkanoyl, alkanoyloxy or alkoxycarbonyl group containing up to 18 carbon atoms;
R² is a straight or branched C₁-C₁₅ alkyl group; -A- is a group:
(wherein X is H, F, Cℓ, Br, CN, CH₃- or CH₃O-); and * indicates an asymmetric carbon atom.
适用于铁电液晶组合物的光学活性醚的化学式如下
其中 R¹ 是直链或支链烷基、烷氧基、烷酰基、烷酰氧基或烷氧基羰基,最多含 18 个碳原子;
R² 是直链或支链 C₁-C₁₅ 烷基; -A- 是一个基团:
(其中 X 是 H、F、Cℓ、Br、CN、CH₃- 或 CH₃O-);* 表示不对称碳原子。