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    • 1. 发明申请
    • BUTENE-BASED LIQUID CRYSTAL COMPOUNDS
    • 基于液体的液体化合物
    • WO2010139092A1
    • 2010-12-09
    • PCT/CN2009000622
    • 2009-06-03
    • YANTAI VALIANT FINE CHEMICALS CO LTDHU BAOHUAYUAN HUZHOU YINBOJIANG XUESONGZHANG TINGTINGFU HAICHAOSONG XUEMING
    • HU BAOHUAYUAN HUZHOU YINBOJIANG XUESONGZHANG TINGTINGFU HAICHAOSONG XUEMING
    • C09K19/30C07C25/18
    • C09K19/3048C09K2019/0407C09K2019/0444
    • The present invention discloses liquid crystal compounds of negative dielectric constant anisotropy useful as liquid crystal display materials, and mixed liquid crystal materials using such compounds. Such new nematic liquid crystal compounds are of negative dielectric constant anisotropy, the structures of which can be represented by the general formula (1); wherein, R1 represents hydrogen atom or a linear alkyl group having 1-8 carbon atoms or a linear alkenyl group having 2-8 carbon atoms, or R1 represents an alkoxy group or an alkenyloxy group formed by replacing one or two nonadjacent CH2 groups in the aforementioned linear alkyl or alkenyl group with oxygen atom, wherein 0-4 hydrogen atoms in the group may be substituted by fluorine; R2 represents hydrogen atom or a linear alkyl group having 1-8 carbon atoms, wherein 0-4 hydrogen atoms in the group may be substituted by fluorine; ring A represents phenylene or 1,4-cyclohexylene, 0-4 hydrogen atoms in the phenylene ring may be substituted by fluorine when ring A is phenylene; n represents 1-2, m represents 0-2.
    • 本发明公开了用作液晶显示材料的负介电常数各向异性的液晶化合物,以及使用这种化合物的混合液晶材料。 这种新的向列型液晶化合物具有负介电常数各向异性,其结构可以由通式(1)表示; 其中,R1表示氢原子或具有1-8个碳原子的直链烷基或具有2-8个碳原子的直链烯基,或者R1表示通过在一个或多个取代基中替换一个或两个不相邻的CH2基而形成的烷氧基或烯氧基 上述具有氧原子的直链烷基或烯基,其中所述基团中的0-4个氢原子可被氟取代; R2表示氢原子或具有1-8个碳原子的直链烷基,其中该基团中的0-4个氢原子可被氟取代; 环A表示亚苯基或1,4-亚环己基,当环A为亚苯基时,亚苯基环中0-4个氢原子可被氟取代; n表示1-2,m表示0-2。