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    Ester compounds having a pyrimidine ring
    5.
    发明授权
    Ester compounds having a pyrimidine ring 失效
    具有嘧啶环的酯化合物

    公开(公告)号：US4623477A

    公开(公告)日：1986-11-18

    申请号：US654877

    申请日：1984-09-27

    申请人： Tetsuya Ogawa ,  Yasuyuki Goto ,  Kisei Kitano ,  Naoyuki Yoshida

    发明人： Tetsuya Ogawa ,  Yasuyuki Goto ,  Kisei Kitano ,  Naoyuki Yoshida

    IPC分类号： C07D239/34 ,  C09K19/34 ,  C07D239/02 ,  G02F1/13

    CPC分类号： C09K19/3469 ,  C07D239/34 ,  C09K19/3458

    摘要： Ester compounds having a pyrimidine ring, using as their raw material, substituted pyrimidinols in place of expensive p-substituted phenols, and also useful as a material for liquid crystal display elements are provided which esters are expressed by the general formula ##STR1## wherein R represents an alkyl or alkoxy group of 1 to 10 carbon atoms; X represents a halogen atom of F, Cl or Br, cyano group or an alkyl or alkoxy group of 1 to 10 carbon atoms; ##STR2## represents ##STR3## and n is 0 or 1.

    摘要翻译： 使用作为其原料的具有嘧啶环的酯化合物代替昂贵的对取代的酚取代的嘧啶醇，并且也可用作液晶显示元件的材料，其中酯通过通式（I）表示 ）其中R表示1〜10个碳原子的烷基或烷氧基; X表示F，Cl或Br，氰基或1-10个碳原子的烷基或烷氧基的卤素原子; 表示，n为0或1。

    Bipyrimidinyl derivatives
    7.
    发明授权
    Bipyrimidinyl derivatives 失效
    联吡啶基衍生物

    公开(公告)号：US4609485A

    公开(公告)日：1986-09-02

    申请号：US700271

    申请日：1985-02-11

    申请人： Kisei Kitano ,  Tetsuya Ogawa ,  Yasuyuki Goto ,  Naoyuki Yoshida

    发明人： Kisei Kitano ,  Tetsuya Ogawa ,  Yasuyuki Goto ,  Naoyuki Yoshida

    IPC分类号： C07D239/26 ,  C07D239/34 ,  C09K19/34 ,  C07D403/00 ,  G02F1/13

    CPC分类号： C07D239/26 ,  C07D239/34 ,  C09K19/3466

    摘要： A novel bipyrimidinyl derivative which is superior in practical properties and useful as a high temperature liquid crystal component constituting a physically and chemically stable liquid crystal composition is provided, which bipyrimidinyl derivative is a 2,5'-disubstituted-5,2'-bipyrimidinyl expressed by the formula ##STR1## wherein ##STR2## X represents a halogen atom of F, Cl or Br or cyano group or an alkyl group or an alkoxy group each having 1 to 10 carbon atoms and R represents an alkyl group or an alkoxy group each having 1 to 10 carbon atoms.

    摘要翻译： 提供了一种新颖的双嘧啶基衍生物，其具有优异的实用性能并且可用作构成物理和化学稳定的液晶组合物的高温液晶组分，该联嘧啶基衍生物是2,5'-二取代-5,2'-联嘧啶基表达 其中，X表示F，Cl或Br或氰基或各自具有1至10个碳原子的烷基或烷氧基，R表示烷基或烷氧基的卤素原子， 具有1至10个碳原子。

    Phenylpyrimidinecarboxylate derivative
    8.
    发明授权
    Phenylpyrimidinecarboxylate derivative 失效
    苯基吡啶甲酸衍生物

    公开(公告)号：US5112523A

    公开(公告)日：1992-05-12

    申请号：US365306

    申请日：1989-06-13

    申请人： Naoyuki Yoshida ,  Kisei Kitano ,  Tetsuya Ogawa

    发明人： Naoyuki Yoshida ,  Kisei Kitano ,  Tetsuya Ogawa

    IPC分类号： C07D239/28 ,  C09K19/34

    CPC分类号： C07D239/28 ,  C09K19/3458 ,  C09K19/3469

    摘要： A novel phenylpyrimidinecarboxylate derivative which, when used as a component of liquid crystal compositions, can raise the clearing point of the mesomorphic range of the liquid crystal compositions and/or increase the dielectric anisotropy value of the compositions, and a liquid crystal compositions containing the derivative are provided, which derivative is expressed by the formula ##STR1## wherein X.sup.1 represents an alkyl or alkoxy each of 1-10 C; X.sup.2 represents a 4-substituted phenylk having an alkyl, of 1-10 C, F, Cl, Br or --CN at 4-position or a 3,4-disubstituted phenyl having F, Cl, Br or Cn at 4-position and F, Cl or Br at 3-position; and L represents a N atom and M represents a C atom.

    Phenylpyrimidinecarboxylate derivative
    9.
    发明授权
    Phenylpyrimidinecarboxylate derivative 失效
    苯基嘧啶羧酸酯衍生物

    公开(公告)号：US4874546A

    公开(公告)日：1989-10-17

    申请号：US75657

    申请日：1987-07-20

    申请人： Naoyuki Yoshida ,  Kisei Kitano ,  Tetsuya Ogawa

    发明人： Naoyuki Yoshida ,  Kisei Kitano ,  Tetsuya Ogawa

    IPC分类号： C07D239/28 ,  C09K19/34

    CPC分类号： C07D239/28 ,  C09K19/3458 ,  C09K19/3469

    摘要： A novel phenylprimidinecarboxylate derivative which, when used as a component of liquid crystal compositions, can raise the clearing point of the mesomorphic range of the liquid crystal compositions and/or increase the dielectric anisotrophy value of the compositions, and a liquid crystal compositions containing the derivative are provided, which derivative is expressed by the formula ##STR1## wherein X.sup.1 represents an alkyl or alkoxy each of 1-10 C; X.sup.2 represents a 4-substituted phenyl having an alkyl, of 1-10 C, F, Cl, Br or --CN at 4-position or a 3,4-disubstituted phenyl having f, Cl, Br or CN at 4-position and F, Cl or Br at 3-position; and either one of L or M represents .dbd.N-- and the other represents --C.dbd..

    摘要翻译： 一种新型的苯基三氨基甲酸酯衍生物，当用作液晶组合物的组分时，可以提高液晶组合物的介观范围的清除点和/或增加组合物的介电不均匀性值，以及含有该衍生物的液晶组合物 ，其中X 1表示1-10个碳原子的烷基或烷氧基， X2表示4-位的具有1-10C的烷基，位置上的F，Cl，Br或-CN的4-取代的苯基或在4-位具有f，Cl，Br或CN的3,4-二取代的苯基， F，Cl或Br在3位; L或M中的任一个表示= N-，另一个表示-C =。

    Pyrimidinyldioxane derivatives
    10.
    发明授权
    Pyrimidinyldioxane derivatives 失效
    嘧啶基二恶烷衍生物

    公开(公告)号：US4774020A

    公开(公告)日：1988-09-27

    申请号：US877527

    申请日：1986-06-23

    申请人： Kisei Kitano ,  Tetsuya Ogawa ,  Naoyuki Yoshida

    发明人： Kisei Kitano ,  Tetsuya Ogawa ,  Naoyuki Yoshida

    IPC分类号： C07D405/04 ,  C07D319/06 ,  C09K19/34 ,  C09K19/42 ,  G02F1/13 ,  C07D239/02

    CPC分类号： C09K19/3466 ,  C09K19/42

    摘要： A novel compound which is able to improve various characteristics of display element by using it as a component for liquid crystal compositions, and a liquid crystal composition containing the same are provided, which compound isa 2-pyrimidinyl-1, 3-dioxane compound expressed by the formula ##STR1## wherein Y.sub.1 represents --R, ##STR2## SCH.sub.3 or --CN; Y.sub.2, --R, ##STR3## R, an alkyl group of 1-12 C and one or two CH.sub.2 groups therein can be replaced by oxygen atom; X.sub.1, X.sub.2, X.sub.3 and X.sub.4 each independently are choiced from H, F, Cl, Br or --CN; and X.sub.5, F, Cl, Br, --CN or an alkyl group of 1-12 C and one or two CH.sub.2 groups therein can be replaced by oxygen atom.

    摘要翻译： 通过使用它作为液晶组合物的成分能够提高显示元件的各种特性的新型化合物和含有该化合物的液晶组合物，该化合物是表示为2-嘧啶基-1,3-二恶烷的化合物 其中Y1表示-R，图像+ TR SCH3或-CN; Y2，-R，R，R1，其中一个或二个CH2基团的烷基可被氧原子取代; X1，X2，X3和X4各自独立地选自H，F，Cl，Br或-CN; 和X5，F，Cl，Br，-CN或1-12C的烷基和其中一个或两个CH 2基团可被氧原子替代。