Optically active liquid crystal compound having methyleneoxy group and composition containing same
申请人:Chisso Corporation
公开号:EP0212838A1
公开(公告)日:1987-03-04
A novel, superior, optically active liquid crystal compound exhibiting a smectic C* phase, and a liquid crystal composition containing the same are provided, which compound is expressed by the formula
wherein X represents -CH₂O- or -OCH₂-; Y represents -COO- or -OCO-; and either one of R¹ or R² represents an optically active alkyl group, alkoxy group or alkoxycarbonyl group and the other thereof represents a non-optically-active alkyl group or alkoxy group each of 4 to 18 carbon atoms.
本发明提供了一种新型的、优异的、具有光学活性的液晶化合物,该化合物表现出一种共晶 C* 相,并提供了一种含有该化合物的液晶组合物,该化合物由式表示
其中 X 代表 -CH₂O- 或 -OCH₂-;Y 代表 -COO- 或 -OCO-;R¹ 或 R² 中的一个代表光学活性烷基、烷氧基或烷氧基羰基,另一个代表非光学活性烷基或烷氧基,每个烷基或烷氧基含有 4 至 18 个碳原子。