Fluorine-containing liquid crystal compound, liquid crystal composition, and liquid crystal electro-optic element
    1.
    发明授权
    Fluorine-containing liquid crystal compound, liquid crystal composition, and liquid crystal electro-optic element 有权
    含氟液晶化合物,液晶组合物和液晶电光元件

    公开(公告)号:US08574455B2

    公开(公告)日:2013-11-05

    申请号:US13142148

    申请日:2009-12-22

    摘要: A liquid crystal compound, a liquid crystal composition, and a liquid crystal electric optical device having a low rotational viscosity (γ1) and appropriate elastic constants. A fluorine-containing liquid crystal compound represented by formula (1). R1-(A1-Z1)a-(A2-Z2)b-(A3-Z3)c-A4-(CH2)n-CF═CF—R2 (1), R1 is a hydrogen atom, a halogen atom, or an alkyl group, R2 is a halogen atom or an alkyl group that may be halogen-substituted or which may include a (thio)ether group, A1 to A4 may be a phenylene group or a cyclohexylene group that may be halogen-substituted or which may include a (thio)ether group, Z1 to Z3 are a single bond, —O—, —S—, or a divalent aliphatic hydrocarbon group that may be halogen-substituted or which may include a (thio)ether group. n is an integer from 0 to 3, and a, b, and c are 0 or 1, provided that a+b+c is 1 or greater.

    摘要翻译: 液晶化合物,液晶组合物和具有低旋转粘度(γ1)和适当弹性常数的液晶电光学装置。 由式(1)表示的含氟液晶化合物。 R1-(A1-Z1)a-(A2-Z2)b-(A3-Z3)c-A4-(CH2)n-CF = CF-R2(1),R1是氢原子, 烷基,R 2为卤素原子或可被卤素取代的烷基或可以包含(硫)醚基团的烷基,A1至A4可以是可被卤素取代的亚苯基或亚环己基,或者 可以包括(硫代)醚基,Z 1至Z 3为单键,-O - , - S-或可被卤素取代的或可包含(硫)醚基团的二价脂族烃基。 n为0〜3的整数,a,b,c为0或1,条件是a + b + c为1以上。

    FLUORINE-CONTAINING LIQUID CRYSTAL COMPOUND, LIQUID CRYSTAL COMPOSITION, AND LIQUID CRYSTAL ELECTRO-OPTIC ELEMENT
    2.
    发明申请
    FLUORINE-CONTAINING LIQUID CRYSTAL COMPOUND, LIQUID CRYSTAL COMPOSITION, AND LIQUID CRYSTAL ELECTRO-OPTIC ELEMENT 有权
    含氟液晶化合物,液晶组合物和液晶电光元件

    公开(公告)号:US20110268894A1

    公开(公告)日:2011-11-03

    申请号:US13142148

    申请日:2009-12-22

    IPC分类号: C09K19/00 C07C22/08 C07C22/00

    摘要: A liquid crystal compound, a liquid crystal composition, and a liquid crystal electric optical device having a low rotational viscosity (γ1) and appropriate elastic constants. A fluorine-containing liquid crystal compound represented by formula (1). R1-(A1-Z1)a-(A2-Z2)b-(A3-Z3)c-A4-(CH2)n-CF═CF—R2 (1), R1 is a hydrogen atom, a halogen atom, or an alkyl group, R2 is a halogen atom or an alkyl group that may be halogen-substituted or which may include a (thio)ether group, A1 to A4 may be a phenylene group or a cyclohexylene group that may be halogen-substituted or which may include a (thio)ether group, Z1 to Z3 are a single bond, —O—, —S—, or a divalent aliphatic hydrocarbon group that may be halogen-substituted or which may include a (thio)ether group. n is an integer from 0 to 3, and a, b, and c are 0 or 1, provided that a+b+c is 1 or greater.

    摘要翻译: 液晶化合物,液晶组合物和具有低旋转粘度(γ1)和适当弹性常数的液晶电光学装置。 由式(1)表示的含氟液晶化合物。 R1-(A1-Z1)a-(A2-Z2)b-(A3-Z3)c-A4-(CH2)n-CF = CF-R2(1),R1是氢原子, 烷基,R 2为卤素原子或可被卤素取代的烷基或可以包含(硫)醚基团的烷基,A1至A4可以是可被卤素取代的亚苯基或亚环己基,或者 可以包括(硫代)醚基,Z 1至Z 3为单键,-O - , - S-或可被卤素取代的或可包含(硫)醚基团的二价脂族烃基。 n为0〜3的整数,a,b,c为0或1,条件是a + b + c为1以上。

    LIQUID CRYSTAL COMPOUND AND PROCESS FOR PRODUCTION THEREOF, LIQUID CRYSTAL COMPOSITION, AND LIQUID CRYSTAL ELECTROOPTICAL ELEMENT
    3.
    发明申请
    LIQUID CRYSTAL COMPOUND AND PROCESS FOR PRODUCTION THEREOF, LIQUID CRYSTAL COMPOSITION, AND LIQUID CRYSTAL ELECTROOPTICAL ELEMENT 有权
    液晶化合物及其制造方法,液晶组合物和液晶电极元件

    公开(公告)号:US20120105792A1

    公开(公告)日:2012-05-03

    申请号:US13098901

    申请日:2011-05-02

    摘要: Disclosed is a liquid crystal composition suitable for producing a liquid crystal electrooptical element which can be driven at a low voltage in a wide temperature range and has high display quality. Also disclosed is a liquid crystal electrooptical element produced by using the liquid crystal composition. Further disclosed is a liquid crystal compound represented by the formula [R1-(A1)a-Z1-(A2)b-Z2-(A7)e-Z5-A3—CF═CFCF2O-A4-Z3-(A5)c-Z4-(A6)d-R2]. In the formula, R1 and R2 independently represent a hydrogen atom, a halogen atom, —CN, —NCS, —SF5, or an alkyl group containing 1 to 18 carbon atoms; A1, A2, A3, A4, A5, A6 and A7 independently represent trans-1,4-cyclohexylene group, 1,4-cyclohexenylene group, 1,3-cyclobutylene group, 1,2-cyclopropylene group, naphthalene-2,6-diyl group, 1,2,3,4-tetrahydronaphthalene-2,6-diyl group, decahydronaphthalene-2,6-diyl group, or 1,4-phenylene group; Z1, Z2, Z3, Z4, and Z5 independently represent a single bond, an alkylene group containing 1 to 4 carbon atoms; and a, b, c, d, and e independently represent 0 or 1 with the proviso that 0≦a+b+c+d+e≦3.

    摘要翻译: 公开了一种液晶组合物,其适用于制造可在宽温度范围内以低电压驱动并具有高显示质量的液晶电光元件。 还公开了通过使用液晶组合物制造的液晶电光元件。 另外公开了由式[R1-(A1)a-Z1-(A2)b-Z2-(A7)e-Z5-A3-CF = CFCF2O-A4-Z3-(A5)c- Z4-(A6)d-R2]。 在该式中,R 1和R 2独立地表示氢原子,卤素原子,-CN,-NCS,-SF 5或含有1至18个碳原子的烷基; A1,A2,A3,A4,A5,A6和A7独立地表示反式-1,4-亚环己基,1,4-亚环己基,1,3-环亚丁基,1,2-亚环丙基,萘-2,6 - 二基,1,2,3,4-四氢化萘-2,6-二基,十氢萘-2,6-二基或1,4-亚苯基; Z 1,Z 2,Z 3,Z 4和Z 5独立地表示单键,含有1至4个碳原子的亚烷基; 并且a,b,c,d和e独立地表示0或1,条件是0和nlE; a + b + c + d + e≦̸ 3。

    Liquid crystal compound and process for production thereof, liquid crystal composition, and liquid crystal electrooptical element
    5.
    发明授权
    Liquid crystal compound and process for production thereof, liquid crystal composition, and liquid crystal electrooptical element 有权
    液晶化合物及其制造方法,液晶组合物和液晶电光元件

    公开(公告)号:US08273420B2

    公开(公告)日:2012-09-25

    申请号:US13098901

    申请日:2011-05-02

    摘要: Disclosed is a liquid crystal composition suitable for producing a liquid crystal electrooptical element which can be driven at a low voltage in a wide temperature range and has high display quality. Also disclosed is a liquid crystal electrooptical element produced by using the liquid crystal composition. Further disclosed is a liquid crystal compound represented by the formula [R1-(A1)a-Z1-(A2)b-Z2-(A7)e-Z5-A3-CF═CFCF2O-A4-Z3-(A5)c-Z4-(A6)d-R2]. In the formula, R1 and R2 independently represent a hydrogen atom, a halogen atom, —CN, —NCS, —SF5, or an alkyl group containing 1 to 18 carbon atoms; A1, A2, A3, A4, A5, A6 and A7 independently represent trans-1,4-cyclohexylene group, 1,4-cyclohexenylene group, 1,3-cyclobutylene group, 1,2-cyclopropylene group, naphthalene-2,6-diyl group, 1,2,3,4-tetrahydronaphthalene-2,6-diyl group, decahydronaphthalene-2,6-diyl group, or 1,4-phenylene group; Z1, Z2, Z3, Z4, and Z5 independently represent a single bond, an alkylene group containing 1 to 4 carbon atoms; and a, b, c, d, and e independently represent 0 or 1 with the proviso that 0≦a+b+c+d+e≦3.

    摘要翻译: 公开了一种液晶组合物,其适用于制造可在宽温度范围内以低电压驱动并具有高显示质量的液晶电光元件。 还公开了通过使用液晶组合物制造的液晶电光元件。 另外公开了由式[R1-(A1)a-Z1-(A2)b-Z2-(A7)e-Z5-A3-CF = CFCF2O-A4-Z3-(A5)c- Z4-(A6)d-R2]。 在该式中,R 1和R 2独立地表示氢原子,卤素原子,-CN,-NCS,-SF 5或含有1至18个碳原子的烷基; A1,A2,A3,A4,A5,A6和A7独立地表示反式-1,4-亚环己基,1,4-亚环己基,1,3-环亚丁基,1,2-亚环丙基,萘-2,6 - 二基,1,2,3,4-四氢化萘-2,6-二基,十氢萘-2,6-二基或1,4-亚苯基; Z 1,Z 2,Z 3,Z 4和Z 5独立地表示单键,含有1至4个碳原子的亚烷基; 并且a,b,c,d和e独立地表示0或1,条件是0和nlE; a + b + c + d + e≦̸ 3。

    Method for producing an optically active 1-substituted 2-propanol
    8.
    发明授权
    Method for producing an optically active 1-substituted 2-propanol 失效
    光学活性1-取代-2-丙醇的制备方法

    公开(公告)号:US06172268B2

    公开(公告)日:2001-01-09

    申请号:US09493019

    申请日:2000-01-28

    IPC分类号: C07C4101

    摘要: A method for producing an optically active 1-substituted 2-propanol of the following formula 1, which comprises reacting a hydroxy aromatic compound of the following formula 2 with an optically active propylene oxide in the presence of a catalyst: AOH  Formula 2 CH3C*H(OH)CH2OA  Formula 1 wherein A is a univalent aromatic group, and C* is an asymmetric carbon atom.

    摘要翻译: 一种制备下式1的光学活性1-取代2-丙醇的方法,它包括使下列通式2的羟基芳族化合物与光学活性环氧丙烷在催化剂存在下反应:其中A是一价芳香族 基团,C *是不对称碳原子。