Halogenopyrimidine derivatives
    2.
    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。

    Novel liquid crystal compound
    8.
    发明授权
    Novel liquid crystal compound 失效
    新型液晶复合物

    公开(公告)号:US4668425A

    公开(公告)日:1987-05-26

    申请号:US868728

    申请日:1986-05-30

    CPC分类号: C09K19/3466 C09K19/42

    摘要: A novel liquid crystal compound which is superior in compatibility with other liquid crystal compounds or liquid crystal compositions, chemically stable, and when added to liquid crystal compositions, can raise the clearing point thereof almost without increasing the viscosity and enhance .DELTA..epsilon. and .DELTA.n thereof, and a liquid crystal composition containing the same are provided, which compound is expressed by the formula ##STR1## wherein R represents an alkyl group or an alkoxy group each of 1 to 10 carbon atoms; Y represents F, Cl or H; and Z represents F, Cl, cyano group or an alkyl group or an alkoxy group each of 1 to 10 carbon atoms.

    摘要翻译: 一种与其它液晶化合物或液晶组合物相容性优异,化学稳定,并且添加到液晶组合物中的新型液晶化合物,几乎可以提高其透明点而不增加粘度并增加其ΔTA和ΔTA 并且提供含有它们的液晶组合物,该化合物由式(I)表示,其中R表示各自具有1至10个碳原子的烷基或烷氧基; Y表示F,Cl或H; Z表示1〜10个碳原子的F,Cl,氰基或烷基或烷氧基。