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    Liquid crystalline ethane derivatives, their preparation and the liquid crystal compositions containing same
    2.
    发明授权
    Liquid crystalline ethane derivatives, their preparation and the liquid crystal compositions containing same 失效
    液晶乙烷衍生物，其制备方法和含有它们的液晶组合物

    公开(公告)号：US4849130A

    公开(公告)日：1989-07-18

    申请号：US176253

    申请日：1988-03-31

    申请人： Roman Dabrowski ,  Jerzy Dziaduszek ,  Tomasz Szczucinnski ,  Witold Drzewinski ,  Zofia Stolarz ,  Jozef Zmija ,  Janusz Parka ,  Bozena Sosnowska

    发明人： Roman Dabrowski ,  Jerzy Dziaduszek ,  Tomasz Szczucinnski ,  Witold Drzewinski ,  Zofia Stolarz ,  Jozef Zmija ,  Janusz Parka ,  Bozena Sosnowska

    IPC分类号： C07D319/06 ,  C07C67/00 ,  C07C325/00 ,  C07C331/28 ,  C07D239/26 ,  C09K19/12 ,  C09K19/14 ,  C09K19/30 ,  C09K19/32 ,  C09K19/34 ,  C09K19/42 ,  C09K19/44 ,  C09K19/46 ,  G02F1/13

    CPC分类号： C09K19/3402 ,  C07C331/28 ,  C09K19/14 ,  C09K19/3028 ,  C09K19/321 ,  C07C2101/14 ,  C09K2019/3422

    摘要： Liquid crystalline ethane derivatives by the described method in order to form liquid crystalline compositions with known liquid crystalline compounds have a general formula I: ##STR1## wherein, if ring A idicates a 1,4-substituted benzene ring, then ring B indicates 1.4-substituted benzene ring or 1.4-trans-substituted cyclohexane ring or 1.4-substituted bicyclo[2,2,2]octane ring or 2.5-substituted pyrimidine ring or 2.5-substituted 1.3- dioxane ring, or if ring B indicates a 1.4-substituted benzene ring, then A indicates 1.4-trans-substituted cyclohexane ring or 1.4-substituted bicylo[2,2,2]octane ring or 2.5-substituted pyrimidine ring or 2.5-substituted 1.3-dioxane ring, and R indicates a normal alkyl chain C.sub.n H.sub.2n+1 or a non-branched alkoxy group C.sub.n H.sub.2n+1 O or an alkylcarboxylic group C.sub.n H.sub.2n+1 COO or an alkyl carbonato group C.sub.n H.sub.2n+1 OCOO or a branched alkyl chain CH.sub.3 --CH.sub.2 --CH(CH.sub.3)--(CH.sub.2).sub.k -- or a branched alkoxy group CH.sub.3 --CH.sub.2 --CH(CH.sub.3)--(CH.sub.2).sub.k --O, where n is an integer number and assumes values from 1 to 12, k is an integer number and assumes values from 1 to 3 and l and m assume values 1 or 0 fulfilling the condition that l+m>0, and if ring A denotes 1.4-disubstituted bicyclo[2,2,2] octane ring also l+m=0. Liquid crystalline compositions containing the compound of formula I are characterized by low viscosity and are applied in displays.

    摘要翻译： 通过所述方法制备液晶乙烷衍生物以形成具有已知液晶化合物的液晶组合物具有通式I：其中如果环A表示1,4-取代的苯环，则环B表示1.4 取代的苯环或1,4-反式取代的环己烷环或1,4-取代的双环[2,2,2]辛烷环或2.5-取代的嘧啶环或2.5-取代的1,3-二恶烷环，或者如果环B表示1.4-取代的 苯环，则A表示1,4-反式取代的环己烷环或1,4-取代的双环[2,2,2]辛烷环或2.5-取代的嘧啶环或2.5-取代的1,3-二恶烷环，R表示正烷基链CnH2n +1或非支链烷氧基C n H 2n + 1或烷基羧基C n H 2n + 1 COO或烷基碳酰基C n H 2n + 1 COOO或支链烷基链CH 3 -CH 2 -CH（CH 3） - （CH 2）k - 或支链烷氧基 基团CH 3 -CH 2 -CH（CH 3） - （CH 2）k O，其中n是整数并且取值 从1到12，k是整数并且假定1到3的值，并且m和m假设满足条件为1 + m> 0的值1或0，并且如果环A表示1,4-二取代的双环[2,2， 2]辛烷环也是l + m = 0。 含有式I化合物的液晶组合物的特征在于粘度低，并用于显示器中。

    Liquid crystalline isothiocyanates with dioxane ring and liquid crystalline admixtures containing same
    6.
    发明授权
    Liquid crystalline isothiocyanates with dioxane ring and liquid crystalline admixtures containing same 失效
    具有二恶烷环的液晶异硫氰酸酯和含有它们的液晶混合物

    公开(公告)号：US4676924A

    公开(公告)日：1987-06-30

    申请号：US749809

    申请日：1985-06-28

    申请人： Roman Dabrowski ,  Jerzy Dziaduszek ,  Jaroslaw Szulc ,  Zygfryd Witkiewicz ,  Zofia Stolarz ,  Krystyna Kenig ,  Gabriela Adamska

    发明人： Roman Dabrowski ,  Jerzy Dziaduszek ,  Jaroslaw Szulc ,  Zygfryd Witkiewicz ,  Zofia Stolarz ,  Krystyna Kenig ,  Gabriela Adamska

    IPC分类号： C07D319/06 ,  C09K19/34 ,  C09K19/42

    CPC分类号： C09K19/42 ,  C07D319/06 ,  C09K19/3402 ,  C09K2019/3425

    摘要： New compounds of the general formula: ##STR1## wherein the symbols X stand for carbon atom bonded with two hydrogen atoms /--CH.sub.2 -- group/ and the symbols Z stand for oxygen atom or the symbols X stand for oxygen atom and the symbols Z stand for carbon atom bonded with two hydrogen atoms /--CH.sub.2 -- group/, m is an integer of 1 to 2, R represents an alkyl /H.sub.2n+1 C.sub.n / or an 4-alkylphenyl /H.sub.2n+1 C.sub.n --C.sub.6 H.sub.4 / or an alkylbiphenyl /H.sub.2n+1 C.sub.n --C.sub.6 H.sub.4 --C.sub.6 H.sub.4 / or an alkylcyclohexylphenyl group /H.sub.2n+1 C.sub.n --C.sub.6 H.sub.10 --C.sub.6 H.sub.4 /, the term alkyl group signifies an alkyl chain containing 1 to 15 carbon atoms or it also signifies a branched-chain alkyl group C.sub.2 H.sub.5 --CH/CH.sub.3 /--/CH.sub.2 /.sub.k where k in an integer of 1 to 3, have utility as liquid crystals. A process for manufacture of compounds of the general formula I. Liquid crystalline admixtures containing those compounds and a way of selection of their compositions to obtain the admixtures which exhibit smectic, smectic and nematic or only smectic properties as well as their use in electrooptical devices is described.

    摘要翻译： 新的具有下式的化合物：其中符号X表示与两个氢原子键合的碳原子/ -CH 2 - 基，并且符号Z代表氧原子或符号X代表氧原子，符号Z 代表与两个氢原子键合的碳原子/ -CH 2 - 基团，m是1〜2的整数，R表示烷基/ H 2n + 1C n或4-烷基苯基/ H 2n + 1C n -C 6 H 4 /或烷基联苯/ H2n + 1Cn-C6H4-C6H4 /或烷基环己基苯基/ H2n + 1Cn-C6H10-C6H4 /，术语烷基表示含有1至15个碳原子的烷基链，或者也表示支链烷基C2H5-CH / CH3 / - / CH2 / k其中k为1〜3的整数，可用作液晶。 含有这些化合物的液晶混合物和选择其组合物以获得显示近晶，近晶和向列或只有近晶性的混合物以及它们在电光器件中的应用的混合物的方法是 描述。