申请人:Chisso Corporation
公开号:EP0278665A2
公开(公告)日:1988-08-17
2-Substituted-alkyl ethers having an optically active group and useful as components of ferroelectric liquid crystal compositions and liquid crystal compositions, have the formula:
in which R1 is a straight or branched chain alkyl, alkoxy, alkanoyl, alkanoyloxy or alkoxycarbonyl group containing up to 18 carbon atoms;
R2 is a straight or branched C2-C15 alkyl group,
are each
(in which Y is a halogen atom or a methyl or methoxy group);
X is a fluorine, chlorine or bromine atom or a group
(in which R3 is a straight or branched C1-C10 alkyl group or a hydrogen atom); and indicates an asymmetric carbon atom.
2-取代烷基醚具有光学活性基团,可用作铁电液晶组合物和液晶组合物的组分,其结构式为:其中 R1 是含有多达 18 个碳原子的直链或支链烷基、烷氧基、烷酰基、烷酰氧基或烷氧基羰基;R2 是直链或支链 C2-C15 烷基,各自(其中 Y 是卤素原子或甲基或甲氧基);X 是氟、氯或溴原子或基团(其中 R3 是直链或支链 C1-C10 烷基或氢原子);并表示不对称碳原子。