公开(公告)号：US06403172B1

公开(公告)日：2002-06-11

申请号：US09532699

申请日：2000-03-22

申请人： Rainer Wingen ,  Ayako Ogawa ,  Barbara Hornung ,  Wolfgang Schmidt

发明人： Rainer Wingen ,  Ayako Ogawa ,  Barbara Hornung ,  Wolfgang Schmidt

IPC分类号： C09K1932

CPC分类号： C07D333/62 ,  C09K19/3491 ,  Y10T428/10

摘要： Benzothiophene derivatives of the formula (I) are used as components of liquid-crystal mixtures where the symbols and indices have the following meanings: X1 and X2, independently of one another, are —CH—, —CF—, the —(R1)C— group or the —(R1—A1—M1)C— group, with the provisos that x1) X1 and X2 are not simultaneously the —(R1)C— or —(R1—A1—M1)C— group, and x2) X1 and X2 are only simultaneously —CH— or —CF— if Z is fluorine Y1 and Y2, independently of one another, are hydrogen or fluorine, but both are not simultaneously fluorine z is hydrogen or fluorine R1 and R2, independently of one another, are, for example, a straight-chain or branched alkyl radical (with or without asymmetrical carbon atoms) having 1 to 20 carbon atoms, A1 and A2 are, for example, phenylene-1,4-diyl, M1 is undirected and is —OC(═O)—, —OC(═O)O—, —OCH2—, —(CH2)n—, —OC(═O)CH2CH2—, —OCH2CH2CH2—, —C≡C— or a single bond, m is 0 or 1, n is from 1 to 6.

摘要翻译： 式（I）的苯并噻吩衍生物用作液晶混合物的组分，其中符号和指数具有以下含义：X1和X2彼此独立地为-CH-，-CF-， - （R1）C - 基团或 - （R1-A1-M1）C-基团，条件是x1和X2不同时为 - （R1）C-或 - （R1-A1-M1）C-基团，x2为X1 并且如果Z是氟，Y 1和Y 2彼此独立地是氢或氟，则X2只同时为-CH-或-CF-，但两者不同时为氟或氟，R 1和R 2彼此独立地为 例如，具有1〜20个碳原子的直链或支链烷基（具有或不具有不对称碳原子），A1和A2是例如亚苯基-1,4-二基，M1是无取代的，并且是-OC（= O） - ， - OC（= O）O-，-OCH 2 - ， - （CH 2）n - ， - OC（= O）CH 2 CH 2 - ， - OCH 2 CH 2 CH 2 - ，-C = C-或单键，m为0 或1，n为1至6。

公开(公告)号：US06291034B1

公开(公告)日：2001-09-18

申请号：US09150737

申请日：1998-09-10

申请人： Kenneth Johnson Toyne ,  John William Goodby ,  Alexander Seed ,  George William Gray ,  Damien Gerad McDonnel ,  Edward Peter Raynes ,  Sally Elizabeth Day ,  Kenneth John Harrison ,  Michael Hird

发明人： Kenneth Johnson Toyne ,  John William Goodby ,  Alexander Seed ,  George William Gray ,  Damien Gerad McDonnel ,  Edward Peter Raynes ,  Sally Elizabeth Day ,  Kenneth John Harrison ,  Michael Hird

IPC分类号： C09K1932

CPC分类号： C07D239/26 ,  C07C255/52 ,  C07C255/54 ,  C07C323/62 ,  C07C331/28 ,  C07D333/20 ,  C07D333/24 ,  C09K19/322 ,  C09K19/3441 ,  C09K19/3458 ,  C09K19/3461 ,  C09K19/3497 ,  C09K19/544 ,  Y10T428/10

摘要： Liquid crystal compounds of formula (I) are described, where formula (I) is given as R1—A—(X)m—(B)n—R2 where A is selected from naphthyl, fluorinated naphthyl, brominated naphthyl, B is selected from phenyl, methylated phenyl, brominated phenyl, fluorinated phenyl, thiophene, pyrimidine and pyridine. R1 and R2 are independently selected from alkyl, alkoxy, akynyl, thioalkyl, Br, CN, SCN, NCS, perfluoroalkyl, perfluoroalkoxy and hydrogen, X is selected from C≡C, COO and C≡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≡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): R3—J—(Y)p—(Z)q—R4, where J is selected from nathhyl, fluorinated naphthyl, brominated naphthyl, Z is selected from phenyl, methylated phenyl, brominated phenyl, fluorinated phenyl, thiophene, pyrimidine and pyridine, R1 and R2 are independently selected from alkyl, alkoxy, alkynyl, thioalkyl, Br, CN, SCN, NCS, perfluoroalkyl, perfluoroalkoxy and hydrogen, Y is selected from C═C, COO and C═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： 描述式（I）的液晶化合物，其中式（I）给出为R1-A-（X）m-（B）n-R2，其中A选自萘基，氟化萘基，溴代萘基，B被选定 苯基，甲基化苯基，溴化苯基，氟化苯基，噻吩，嘧啶和吡啶。 R 1和R 2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 = C，COO和C = C，m为0或1，n 是0或1，其中m是1，n是0，其中m是0; 条件是其中A为萘基，n为1，m为0，则B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 = C，m为1且n为1，则B为噻吩，嘧啶和吡啶。 还描述了适于包含在利用各向同性相中并由式（II）表示的液晶材料的预过滤特性的装置中的液晶化合物：R3-J-（Y）对（Z）q-R4，其中J被选择 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。

公开(公告)号：US06174455B1

公开(公告)日：2001-01-16

申请号：US09025249

申请日：1998-02-18

申请人： Junichi Hanna ,  Masahiro Funahashi ,  Komei Kafuku ,  Kyoko Kogo

发明人： Junichi Hanna ,  Masahiro Funahashi ,  Komei Kafuku ,  Kyoko Kogo

IPC分类号： C09K1932

CPC分类号： C07C15/24 ,  C07B2200/01 ,  C07C43/202 ,  C07C43/225 ,  C07C69/63 ,  C07C69/76 ,  C07C205/35 ,  C07C245/10 ,  C07C251/24 ,  C07C323/18 ,  C07C323/62 ,  C09K19/322 ,  G03G5/02

摘要： A liquid crystalline compound having a novel structure and a process for producing the same are provided. The liquid crystalline compound is represented by the following general formula (I): wherein R1 and R2 each independently represent a straight-chain, branched or cyclic, saturated or unsaturated hydrocarbon group having 1 to 22 carbon atoms and may be attached directly to the aromatic ring without through X1 or X2; R3 represents a hydrogen atom, a cyano group, a nitro group, a fluorine atom, or a methyl group; and X1 and X2 each independently represent an oxygen atom, a sulfur atom, or a —CO—, —OCO—, —COO—, —N═CH—, —CONH—, —NH—, —NHCO—, or —CH2— group.

摘要翻译： 提供具有新颖结构的液晶化合物及其制备方法。 液晶化合物由以下通式（I）表示：其中R 1和R 2各自独立地表示具有1至22个碳原子的直链，支链或环状，饱和或不饱和的烃基，并且可以直接连接到芳族 环通过X1或X2; R3表示氢原子，氰基，硝基，氟原子或甲基; 并且X 1和X 2各自独立地表示氧原子，硫原子或-CO-，-OCO - ， - COO - ， - N = CH - ， - CONH-，-NH-，-NHCO-或-CH 2 - 组。