Liquid crystal mixture
    7.
    发明授权
    Liquid crystal mixture 有权
    液晶混合物

    公开(公告)号:US06958176B2

    公开(公告)日:2005-10-25

    申请号:US10363009

    申请日:2001-08-25

    摘要: Liquid crystal mixture comprising compounds of formula (I) wherein R1: is H or a linear or branched alkyl group or branched alkenyl group R2: stands for a) H or F b) a linear or branched alkyl group or a linear or branched alkenyl group c) a radical wherein R3, R4, R5, R6: are an alkyl group M1, M2: represent independently from another a single bond, —OC(═O), —C(═O)O—, —OCH2—, —NH— A: is a) a linear or branched alkan-α,ω-diylgroup or alkene-α,ω-diyl group b) the group —C(═Y)— wherein Y is CH-Z with Z being phenylen-1,4-diyl, optionally substituted by one to three halogenatoms, alkyl or alkyloxy groups, c) the group —CHY wherein Y is CH2-Z with Z being phenylen-1,4-diyl, optionally substituted by one to three halogenatoms, alkyl or alkyloxy groups d) a group wherein p, q are 0, 1 or 2; M3 is a single bond or —OC(═O)—, —C(═O)O—, —OCH2—, —CH2O—, —C≡C—, —CH2CH2—, —CH2CH2CH2CH2— the radicals are phenylen-1,4-diyl, X is H, OH, a linear or branched alkyl or alkyloxy group, m: is 0 or 1 X and M1-(A)m-M2-R2 together can constitute a) a ring of 4 to 16 members, b) a combination of two either directly linked or spiro-linked rings.

    摘要翻译: 包含其中R 1为H或直链或支链烷基或支链烯基R 2的式(I)化合物的液晶混合物代表a)H或 F b)直链或支链烷基或直链或支链烯基c)其中R 3,R 4,R 5, R 6是烷基,其中独立地表示单键,-OC( - O), - -C(-O)O - , - OCH 2 - , - NH- A:是a)直链或支链烷烃-α,ω-二基或烯-α,ω-二基b )基团-C(-Y) - 其中Y是CH-Z,其中Z是亚苯基-1,4-二基,任选被一至三个卤素原子,烷基或烷氧基取代,c)基团-CHY,其中Y是CH Z为亚苯基-1,4-二基,任选被一至三个卤素原子取代,烷基或烷氧基; d)其中p,q为0,1或2的基团; M 3是单键或-OC(-O) - , - C(-O)O-,-OCH 2 - , - CH 2, O - , - C≡C - , - CH 2 CH 2 - , - CH 2 CH 2 - 基团是亚苯基-1,4-二基,X是H,OH,直链或支链烷基或烷氧基,m:是 0或1 X和M 1 - (A)m - 2 - 2 - 2 - 2一起可以构成一个 )4至16个成员的环,b)两个直接连接或螺旋环的组合。

    Disubstituted phenanthrenes and their use in liquid-crystal mixtures
    8.
    发明授权
    Disubstituted phenanthrenes and their use in liquid-crystal mixtures 有权
    二取代菲及其在液晶混合物中的应用

    公开(公告)号:US06495220B2

    公开(公告)日:2002-12-17

    申请号:US09761897

    申请日:2001-01-17

    IPC分类号: C09K1932

    摘要: Compounds of the formula (I) R1—A—Z1  (I) in which: R1 is an alkyl radical having 1 to 8 carbon atoms or an alkenyl radical having 2 to 8 carbon atoms, where, in each case, one (nonterminal) —CH2— group may also be replaced by —O— or —C(═O)O— and/or one or more H may be replaced by F A is phenanthrene-2,7-diyl or 9,10-dihydrophenanthrene-2,7-diyl Z1 is F, OCHxF3−x or CHxF3−x, where, in each case, x is 0, 1 or 2, OC2HzF5−z or C2HzF5−z, where, in each case, z is 0, 1, 2, 3 or 4, CH═CF2 or Cl, with the proviso that 2-fluoro-7-methoxy-phenanthrene is excluded.

    摘要翻译: 其中:R1是具有1-8个碳原子的烷基或具有2至8个碳原子的烯基的式(I)化合物,其中在每种情况下都可以被一个(非终端的)-CH 2 - 基团取代 通过-O - 或-C(= O)O-和/或一个或多个H可以被FA代替为菲-2,7-二基或9,10-二氢菲-2,7-二基Z1为F,OCHxF3- x或CH x F 3-x,其中,在每种情况下,x为0,1或2,OC2HzF5-z或C2H5F5-z,其中,在每种情况下,z为0,1,2,3或4,CH = CF 2或 Cl,条件是排除了2-氟-7-甲氧基菲。