Cyclohexenylethane compound
    71.
    发明授权
    Cyclohexenylethane compound 失效
    环己烯基化合物

    公开(公告)号:US5064565A

    公开(公告)日:1991-11-12

    申请号:US549138

    申请日:1990-07-05

    摘要: A cyclohexenylethane compound is disclosed which is represented by the formula ##STR1## wherein R is an alkyl group having 1 to 10 carbon atoms, X is an alkyl group or an alkoxy group having 1 to 10 carbon atoms, a cyano group, a bromine atom or a fluorine atom, Y is a hydrogen atom or a fluorine atom, m is 0 or 1, and n is 0 or 1.The above-mentioned cyclohexenylethane compound of the present invention exhibits a liquid crystal phase having a broad range, has a good compatibility with known liquid crystal compounds, can expand the liquid crystal temperature range of a liquid crystal composition, can expand the drive temperature range of a liquid crystal element, and is very stable to environmental factors.

    Halogenopyrimidine derivatives
    78.
    发明授权
    Halogenopyrimidine derivatives 失效
    卤代嘧啶衍生物

    公开(公告)号:US4581155A

    公开(公告)日:1986-04-08

    申请号:US593434

    申请日:1984-03-26

    CPC分类号: C07D239/26 C09K19/3469

    摘要: Novel compounds capable of improving various characteristics required for liquid crystal compositions when added to liquid crystal substances, and liquid crystal compositions containing the same are provided, which novel compounds are halogenopyrimidine derivatives expressed by the general formula ##STR1## wherein R.sup.1 represents an alkyl group of 1 to 10 carbon atoms, R.sup.2 represents a halogen atom of F, Cl of Br and l represents 1 or 2.

    摘要翻译: 提供了能够提高添加到液晶物质中时液晶组合物所需要的各种特性的新型化合物和含有该液晶组合物的液晶组合物,其中新化合物是由通式“IMAGE”表示的卤代嘧啶衍生物,其中R1表示 1至10个碳原子,R 2表示F的卤素原子,Br的Cl和I表示1或2。