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.