2,3-difluorobiphenyls
    2.
    发明授权
    2,3-difluorobiphenyls 失效
    2,3-DIFLUOROBIPHENYLS

    公开(公告)号:US5204019A

    公开(公告)日:1993-04-20

    申请号:US362470

    申请日:1989-05-15

    摘要: 4-Q.sup.1 -4'-Q.sup.2 -2,3-Difluorobiphenyls whereinQ.sup.1 and Q.sup.2 independently of one another are each R or R-A.sup.1 -A.sup.2 -Z in whichR (sic) alkyl having 1-15 C atoms or alkenyl having 3-15 C atoms each of which is unsubstituted or monosubstituted by cyano or at least monosubstituted by fluorine or chlorine, and in which in each case one or two non-adjacent CH.sub.2 groups can also be replaced by --O--, --CO--, --O--CO, --CO--O-- or --O--COO--, (sic) --COO--, --O--CO--, --CH.sub.2 O, --O--CH.sub.2 --, --CH.sub.2 CH.sub.2 -- or a single bond, andA.sup.1 and A.sup.2 independently of one another . . (sic) each 1,4-phenylene which is unsubstituted or substituted by one or two fluorine atoms, and in which one or two CH groups can also be replaced by N, or trans-1,4-cyclohexylene wherein one or two non-adjacent CH.sub.2 groups can also be replaced by --O--, and one of the two groups A.sup.1 and A.sup.2 can also be a single bond,subject to the proviso that Z is --CO--O, --O--CO--, --CH.sub.2 O--, --OCH.sub.2 -- or --CH.sub.2 CH.sub.2 --, if one of the groups Q.sup.1 or Q.sup.2 is alkyl or alkoxy and the other group Q.sup.1 or Q.sup.2 is R-A.sup.1 -A.sup.2 -Z wherein one of the two groups A.sup.1 and A.sup.2 is a single bond, are suitable for use as components of liquid-crystal media.

    摘要翻译: PCT No.PCT / EP89 / 00180 Sec。 371日期:1989年5月15日 102(e)日期1989年5月15日PCT提交1989年2月27日PCT公布。 出版物WO89 / 08687 日本9月21日1989.4-Q1-4'-Q2-2,3-二氟联苯,其中Q1和Q2彼此独立地为R或R-A1-A2-Z,其中R(sic)烷基具有1-15个碳原子 具有3-15个碳原子的原子或烯基,其各自为未取代的或被氰基单取代或至少被氟或氯单取代,并且其中在每种情况下一个或两个不相邻的CH 2基团也可以被-O-, -CO - , - O-CO,-CO-O-或-O-COO-,(sic)-COO-,-O-CO-,-CH2O,-O-CH2-,-CH2CH2-或单键 ,A1和A2彼此独立。 。 (sic)未取代或被一个或两个氟原子取代的每个1,4-亚苯基,其中一个或两个CH基团也可以被N或反式-1,4-亚环己基代替,其中一个或两个非 - 相邻的CH2基团也可以被-O-取代,并且两个基团A1和A2之一也可以是单键,条件是Z是-CO-O,-O-CO-,-CH2O-, -OCH 2 - 或-CH 2 CH 2 - ,如果基团Q1或Q2中的一个为烷基或烷氧基,另一个基团Q1或Q2为两个基团A1和A2之一为单键的R-A1-A2-Z, 适合用作液晶介质的组分。

    Fluorinated oligophenyls and their use in liquid crystal materials
    3.
    发明授权
    Fluorinated oligophenyls and their use in liquid crystal materials 失效
    氟化低聚物及其在液晶材料中的应用

    公开(公告)号:US5273680A

    公开(公告)日:1993-12-28

    申请号:US846750

    申请日:1992-03-09

    摘要: This invention relates to fluorinated oligophenyls of formula (I), in which a is 0 or 1 and in which the terminal substituents R.sup.1, R.sup.2 and R.sup.3 are each independently an alkyl or alkenyl residue each with up to 15 C atoms, optionally substituted by CN or by at least one halogen atom, and wherein one or more non adjacent CH.sub.2 groups of these residues may be replaced by --O--, --S--, --CO--, --O--CO--, --CO--O--, --O--CO--O-- or --C.tbd.C--, one of the residues R.sup.1 and R.sup.2 may also denote a group of formula (II), any one of the following pairs of lateral substituents are both fluorine: (A, B), (C, D), (D, E), (C, E), (B, C), (D, J), (D, K), (A, C), (C, J), (C', D'), (D', E), (D', A), (C', E), (C', A), (D', J'), (D', K'), (C', J'), (B, G), (A, G), all of the other lateral substituents being hydrogen or fluorine, and to their use as components of liquid crystalline compositions.

    摘要翻译: PCT No.PCT / EP88 / 00724 Sec。 371日期:1989年3月8日 102(e)日期1989年3月8日PCT提交1988年8月13日PCT公布。 出版物WO89 / 02425 本发明涉及式(I)的氟化低聚苯基,其中a是0或1,并且其中末端取代基R 1,R 2和R 3各自独立地为烷基或链烯基,每个具有至多15个 C原子,任选地被CN或至少一个卤素原子取代,并且其中这些残基的一个或多个非相邻的CH 2基团可以被-O - , - S - , - CO-,-O-CO-, - CO-O-,-O-CO-O-或-C 3BOND C-,残基R1和R2之一也可以表示式(II)的基团,以下对侧取代基中的任一个均为氟: (A,B),(C,D),(D,E),(C,E),(B,C),(D,J),(D,K),(A,C) ,(C',E),(C',A),(D',J'),(D',E) ',K'),(C',J'),(B,G),(A,G),所有其它横向取代基是氢或氟,并且作为液晶组合物的组分。

    Laterally cyano- and fluoro-substituted terphenyls
    6.
    发明授权
    Laterally cyano- and fluoro-substituted terphenyls 失效
    侧面氰基和氟取代的三联苯

    公开(公告)号:US5358663A

    公开(公告)日:1994-10-25

    申请号:US946773

    申请日:1992-09-18

    摘要: Laterally cyano-substituted terphenyls of formula (I), wherein R.sup.1 and R.sup.2 are independently selected from hydrogen or C.sub.1-15 alkyl, alkoxy, or alkyl or alkoxy in which one or more CH.sub.2 groups are replaced by O, COO, OOC, CHX, CX.sub.2, CH=CX, CX=CH, CX=CX, where X is fluorine or chlorine. CRCN where R is alkyl, or C.tbd.C or in which a terminal CH.sub.3 of the said alkyl or alkoxy chain is replaced by CF.sub.3, n is 0 or 1, and the CN and F (if present) substituent are independently located in any of the available substitution positions. Liquid crystal materials containing these terphenyls are also described.

    摘要翻译: PCT No.PCT / GB88 / 00880 Sec。 371日期1990年04月11日 102(e)日期1990年04月11日PCT提交1988年10月19日PCT公布。 第WO89 / 03821号公报 日本公开说明书。1989年5月5日授权。式(I)的单个氰基取代的三联苯,其中R 1和R 2独立地选自氢或C1-15烷基,烷氧基或烷基或烷氧基,其中一个或多个CH 2基团被O取代, COO,OOC,CHX,CX2,CH = CX,CX = CH,CX = CX,其中X是氟或氯。 其中R是烷基或C 3 B C或其中所述烷基或烷氧基链的末端CH 3被CF 3所取代的CRCN,n是0或1,并且CN和F(如果存在))取代基独立地位于 可用的替代职位。 还描述了含有这些三联苯的液晶材料。

    Naphthyl organic compounds
    8.
    发明授权
    Naphthyl organic compounds 失效
    萘基有机化合物

    公开(公告)号:US5496500A

    公开(公告)日:1996-03-05

    申请号:US283714

    申请日:1994-08-01

    摘要: Liquid crystal compounds of formula (I) are described, where formula (I) is given as R.sub.1 --A--(X.sub.m --(B).sub.n --R.sub.2 where A is selected from nathyl, flourinated naphthyl, brominated naphthyl, B is selected from phenyl, methylated phenyl, brominated phenyl, fluorinated phenyl, thiophene, pyrimidine and pyridine, R.sub.1 and R.sub.2 are independently selected from alkyl, alkoxy, alkynyl, thioalkyl, Br, CN, SCN, NCS, perfluoroalkyl, perfluoroalkoxy and hydrogen, X is selected from C.tbd.C, COO and C.tbd.C, m is 0 or 1, n is 0 or 1 where m is 1 and n is 0 where m is 0; provided that where A is naphthyl, n is 1 and m is 0 then B is selected from methylated phenyl, brominated phenyl, thiophene, pyrimidine and pyridine; and further provided that where A is naphthyl, X is C.tbd.C, m is 1 and n is 1, then B is selected from thiophene, pyrimidine and pyridine. Also described are liquid crystal compounds suitable for inclusion in devices utilizing pretransitional characteristics of liquid crystalline materials in the isotropic phase and described by formula (II): R.sub.3 --J--(Y).sub.p --(Z).sub.q --R.sub. 4, where J is selected from nathyl, fluorinated naphthyl, brominated naphthyl, Z is selected from phenyl, methylated phenyl, brominated phenyl, fluorinated phenyl, thiophene, pyrimidine and pyridine, R.sub.1 and R.sub.2 are independently selected from alkyl, alkoxy, alkynyl, thioalkyl, Br, CN, SCN, NCS, perfluoroalkyl, perfluoroalkoxy and hydrogen, Y is selected from C.dbd.C, COO and C.dbd.C, p is 0 or 1, q is 0 or 1 where p is 1 and q is 0 where p is 0.

    摘要翻译: 描述了式(I)的液晶化合物,其中式(I)为R1-A-(Xm-(B)n-R2,其中A选自萘基,氟化萘基,溴化萘基,B选自苯基 ,甲基化苯基,溴化苯基,氟化苯基,噻吩,嘧啶和吡啶,R1和R2独立地选自烷基,烷氧基,炔基,硫代烷基,Br,CN,SCN,NCS,全氟烷基,全氟烷氧基和氢,X选自C 3,C,COO和C 3 B C,m为0或1,n为0或1,其中m为1,n为0,其中m为0;条件是其中A为萘基,n为1,m为0,B为 选自甲基化苯基,溴化苯基,噻吩,嘧啶和吡啶;并且进一步规定,其中A为萘基,X为C 3 C 10,m为1,n为1,则B为噻吩,嘧啶和吡啶。 是适于包含在利用液晶材料的预过滤特性的器件中的液晶化合物 各向同性相并由式(II)描述:R3-J-(Y)对(Z)qR 4,其中J选自萘基,氟化萘基,溴化萘基,Z选自苯基,甲基化苯基,溴化苯基 ,氟化苯基,噻吩,嘧啶和吡啶,R1和R2独立地选自烷基,烷氧基,炔基,硫代烷基,Br,CN,SCN,NCS,全氟烷基,全氟烷氧基和氢,Y选自C = C,COO和C = C,p为0或1,q为0或1,其中p为1,q为0,其中p为0。