公开(公告)号：US4882084A

公开(公告)日：1989-11-21

申请号：US113763

申请日：1987-10-28

申请人： Kouji Ohno ,  Shinichi Saito ,  Kazutoshi Miyazawa ,  Makoto Ushioda ,  Hiromichi Inoue ,  Naoyuki Yoshida

发明人： Kouji Ohno ,  Shinichi Saito ,  Kazutoshi Miyazawa ,  Makoto Ushioda ,  Hiromichi Inoue ,  Naoyuki Yoshida

IPC分类号： C09K19/12 ,  C09K19/58 ,  C12P7/62 ,  C12P13/00 ,  C12P41/00

CPC分类号： C12P13/004 ,  C09K19/126 ,  C09K19/586 ,  C12P41/004 ,  C12P7/62

摘要： The optically active compounds of the formula: ##STR1## wherein R.sup.1 is an alkyl or an alkyloxy group having a carbon number of 1-18, R.sup.2 is an alkyl group having a carbon number of 1-18, and A is a biphenyl group or a biphenyl group having a halogen atom or a cyano group are provided.The optically active compounds are useful for liquid crystal elements, especially for components of ferroelectric liquid crystal mixtures inducing high value of spontaneous polarization.

公开(公告)号：US4827052A

公开(公告)日：1989-05-02

申请号：US113765

申请日：1987-10-28

申请人： Kouji Ohno ,  Shinichi Saito ,  Kazutoshi Miyazawa ,  Makoto Ushioda ,  Hiromichi Inoue ,  Naoyuki Yoshida

发明人： Kouji Ohno ,  Shinichi Saito ,  Kazutoshi Miyazawa ,  Makoto Ushioda ,  Hiromichi Inoue ,  Naoyuki Yoshida

IPC分类号： C07C33/20 ,  C07C33/24 ,  C07C43/23 ,  C09K19/12 ,  C12P7/62 ,  C12P13/00 ,  C12P41/00 ,  C07C33/46

CPC分类号： C12P13/004 ,  C07C33/20 ,  C07C33/24 ,  C07C43/23 ,  C09K19/126 ,  C12P41/004 ,  C12P7/62

摘要： The present invention provided optically active alcohols represented by the general formula: ##STR1## wherein R.sup.1 indicates an alkyl or alkyloxy group having a carbon number of 1-18, and A indicates a phenyl or a biphenyl group; or a phenyl or biphenyl group having a halogen atom or a cyano group. The alcohols are intermediates of optically active materials useful for components of liquid crystal materials for liquid crystal display elements having quick response.

公开(公告)号：US4900472A

公开(公告)日：1990-02-13

申请号：US260519

申请日：1988-10-20

申请人： Kazutoshi Miyazawa ,  Makoto Ushioda ,  Hiromichi Inoue ,  Shinichi Saito ,  Kouji Ohno

发明人： Kazutoshi Miyazawa ,  Makoto Ushioda ,  Hiromichi Inoue ,  Shinichi Saito ,  Kouji Ohno

IPC分类号： C07D239/26 ,  C09K19/34

CPC分类号： C07D239/26 ,  C09K19/3463

摘要： The present invention provides optically active compounds represented by the following general formula: ##STR1## liquid crystal compositions containing the compounds, and electro optical elements using the above compositions.The compounds of the present invention are optically active compounds having characteristics suited for a ferroelectric liquid crystal composition, especially having enough spontaneous polarization to realize quick response.

公开(公告)号：US4973426A

公开(公告)日：1990-11-27

申请号：US160279

申请日：1988-02-25

申请人： Kouji Ohno ,  Shinichi Saito ,  Hiromichi Inoue ,  Kazutoshi Miyazawa ,  Makoto Ushioda

发明人： Kouji Ohno ,  Shinichi Saito ,  Hiromichi Inoue ,  Kazutoshi Miyazawa ,  Makoto Ushioda

IPC分类号： C07D213/30 ,  C07D237/14 ,  C07D239/26 ,  C07D239/34 ,  C09K19/58

CPC分类号： C07D213/30 ,  C07D237/14 ,  C07D239/26 ,  C07D239/34 ,  C09K19/58 ,  C09K19/588

摘要： An optically active compound having particularly a specific feature of increasing spontaneous polarization value as one of important specific features for ferroelectric liquid crystal compositions, and a ferroelectric liquid crystal composition containing the compound are provided, which compound is expressed by the formula ##STR1## wherein R.sup.1 represents a linear or branched chain alkyl, alkoxy, alkanoyl, alkoxycarbonyl or alkoxycarbonyloxy each of 1 -15C, H, halogen or -CN; R.sup.2 represents an optically active group having 2-20 skeletal atoms, ##STR2## wherein X represents H, halogen or -CN; l represents an integer of 1-10; m is 0 or 1; and * indicates asymmetric C.

公开(公告)号：US4961875A

公开(公告)日：1990-10-09

申请号：US284118

申请日：1988-12-14

申请人： Kouji Ohno ,  Hiromichi Inoue ,  Shinichi Saito ,  Kazutoshi Miyazawa ,  Makoto Ushioda

发明人： Kouji Ohno ,  Hiromichi Inoue ,  Shinichi Saito ,  Kazutoshi Miyazawa ,  Makoto Ushioda

IPC分类号： C07C69/24 ,  C07C69/67 ,  C07C69/708 ,  C07C255/55 ,  C09K19/12 ,  C09K19/54 ,  G02F1/13

CPC分类号： C09K19/126 ,  C07C255/55

摘要： A liquid crystalline, optically active compound useful as a component of various liquid crystal compositions, a liquid crystal composition containing the same and a light switching element using the liquid crystal composition are provided, which liquid crystalline, optically active compound is expressed by the formula ##STR1## wherein R.sup.1 is 1-18C alkyl or alkoxy, R.sup.2 is 2-18C alkyl or 1-18C alkoxy, A is ##STR2## wherein X is halogen or CN, m is 0 to 12, and * indicates an asymmetric carbon atom.

公开(公告)号：US5120468A

公开(公告)日：1992-06-09

申请号：US563801

申请日：1990-08-06

申请人： Shinichi Saito ,  Hiromichi Inoue ,  Kazutoshi Miyazawa ,  Kouji Ohno ,  Makoto Ushioda

发明人： Shinichi Saito ,  Hiromichi Inoue ,  Kazutoshi Miyazawa ,  Kouji Ohno ,  Makoto Ushioda

IPC分类号： G02F1/137 ,  C07C41/00 ,  C07C43/205 ,  C07C43/225 ,  C07C43/23 ,  C07C45/00 ,  C07C49/83 ,  C07C49/84 ,  C07C67/00 ,  C07C69/035 ,  C07C69/157 ,  C07C69/24 ,  C07C69/94 ,  C07C253/00 ,  C07C255/40 ,  C07C255/41 ,  C07C255/54 ,  C07C255/57 ,  C07D213/30 ,  C07D237/08 ,  C07D237/14 ,  C07D239/26 ,  C07D239/34 ,  C07D241/12 ,  C09K19/02 ,  C09K19/12 ,  C09K19/30 ,  C09K19/34 ,  C09K19/42 ,  C09K19/44 ,  C09K19/54 ,  C09K19/58 ,  G02F1/13 ,  G02F1/141

CPC分类号： C07D213/30 ,  C07C43/2055 ,  C07C43/225 ,  C07D237/14 ,  C07D239/26 ,  C07D239/34 ,  C09K19/0225 ,  C09K19/126 ,  C09K19/3003 ,  C09K19/3441 ,  C09K19/3444 ,  C09K19/3455 ,  C09K19/3463 ,  C09K19/42 ,  C09K19/44 ,  C09K19/586 ,  Y02P20/55

摘要： A 2-substituted-alkyl ether having an optically active group and useful as a component of ferroelectric liquid crystal compositions and a liquid crystal composition containing the same are provided, which 2-substituted-alkyl ether is expressed by the formula ##STR1## wherein R.sup.1 represents a linear or branched chain alkyl, alkoxy, alkanoyl, alkanoyloxy or alkoxycarbonyl of 1 to 18 C; R.sup.2 represents a linear or branched alkyl of 2 to 15 C; ##STR2## each independently represents ##STR3## wherein Y represents cyano, halogen, methyl or methoxy; X represents --OR.sup.3, ##STR4## F, Cl or Br wherein R.sup.3 represents a linear or branched alkyl group of 1 to 10 C of H; and * indicates asymmetric C.

公开(公告)号：US5080827A

公开(公告)日：1992-01-14

申请号：US572356

申请日：1990-08-24

申请人： Kazutoshi Miyazawa ,  Shinichi Saito ,  Kouji Ohno ,  Hiromichi Inoue ,  Makoto Ushioda

发明人： Kazutoshi Miyazawa ,  Shinichi Saito ,  Kouji Ohno ,  Hiromichi Inoue ,  Makoto Ushioda

IPC分类号： C07D213/84 ,  C07C41/00 ,  C07C43/18 ,  C07C43/184 ,  C07C43/192 ,  C07C43/20 ,  C07C43/205 ,  C07C43/21 ,  C07C43/225 ,  C07C67/00 ,  C07C69/003 ,  C07C69/02 ,  C07C69/16 ,  C07C69/68 ,  C07C69/708 ,  C07C253/00 ,  C07C255/46 ,  C07C255/54 ,  C07D213/30 ,  C07D213/61 ,  C07D213/65 ,  C07D237/08 ,  C07D237/14 ,  C07D239/26 ,  C07D239/34 ,  C09K19/12 ,  C09K19/30 ,  C09K19/34 ,  C09K19/44 ,  G02F1/13 ,  G02F1/137 ,  G02F1/141

CPC分类号： C07D213/30 ,  C07C43/2055 ,  C07D237/08 ,  C07D239/26 ,  C07D239/34 ,  C09K19/126 ,  C09K19/3003 ,  C09K19/3441 ,  C09K19/3444 ,  C09K19/3455 ,  C09K19/3463 ,  Y02P20/55

摘要： An optically active compound particularly useful as a component of liquid crystal compositions having a high response rate and a chiral liquid crystal composition containing the same are provided, which optically active compound is expressed by the formula (I) ##STR1## wherein R.sup.1 represents alkyl or alkoxy each of 1-20 C, H, halogen or CN; ##STR2## and ##STR3## each represent a specified six-membered ring; R.sup.2 represents alkyl of 1-20 C; the asterisk designates an asymmetric carbon atom; and m and n each represents 0 or 1.

公开(公告)号：US5047172A

公开(公告)日：1991-09-10

申请号：US409093

申请日：1989-09-19

申请人： Shinichi Saito ,  Takashi Inukai ,  Hiromichi Inoue ,  Kazutoshi Miyazawa ,  Kouji Ohno ,  Makoto Ushioda

发明人： Shinichi Saito ,  Takashi Inukai ,  Hiromichi Inoue ,  Kazutoshi Miyazawa ,  Kouji Ohno ,  Makoto Ushioda

IPC分类号： C07D213/30 ,  C07D237/14 ,  C07D239/26 ,  C07D239/34 ,  C07D241/18 ,  C09K19/12 ,  C09K19/30 ,  C09K19/34 ,  C09K19/44 ,  C09K19/46

CPC分类号： C07D213/30 ,  C07D237/14 ,  C07D239/26 ,  C07D239/34 ,  C07D241/18 ,  C09K19/126 ,  C09K19/3001 ,  C09K19/3003 ,  C09K19/3444 ,  C09K19/3452 ,  C09K19/3455 ,  C09K19/3463 ,  C09K19/44 ,  C09K19/46

摘要： Novel compounds characterized by increased spontaneous polarization values as one of the important specific features required for ferroelectric liquid crystal compositions, a liquid crystal composition containing the same, and an optical switching element utilizing the composition as a liquid crystal. The compounds are expressed by the formula (I) or (I') ##STR1##

摘要翻译： 特征在于增加的自发极化值作为铁电液晶组合物所需的重要具体特征之一，含有它们的液晶组合物和使用该组合物作为液晶的光学开关元件。 这些化合物由式（I）或（I'）表示。（I）图像（I'）

公开(公告)号：US5021191A

公开(公告)日：1991-06-04

申请号：US152420

申请日：1988-02-04

申请人： Shinichi Saito ,  Makoto Ushioda ,  Hiromichi Inoue ,  Kazutoshi Miyazawa ,  Kouji Ohno

发明人： Shinichi Saito ,  Makoto Ushioda ,  Hiromichi Inoue ,  Kazutoshi Miyazawa ,  Kouji Ohno

IPC分类号： C07D237/08 ,  C07C41/00 ,  C07C43/205 ,  C07C43/225 ,  C07C67/00 ,  C07C253/00 ,  C07C255/54 ,  C07D213/30 ,  C07D237/14 ,  C07D239/26 ,  C07D239/34 ,  C07D241/12 ,  C07D241/18 ,  C09K19/12 ,  C09K19/34 ,  C09K19/42 ,  C09K19/54 ,  G02F1/13

CPC分类号： C07D213/30 ,  C07C43/2055 ,  C07C43/225 ,  C07D237/14 ,  C07D239/26 ,  C07D239/34 ,  C09K19/126 ,  C09K19/3441 ,  C09K19/3444 ,  C09K19/3452 ,  C09K19/3463 ,  C09K19/3472

摘要： An optically active substance which, when added as a component of ferroelectric liquid crystal compositions, is extremely small in the reduction of the resulting liquid crystal temperature region, and a liquid crystal composition containing the same are provided, which substance is an optically active-2-alkoxy-propyl ether expressed by the formula (I) ##STR1## wherein R.sup.1 represents a straight or branched chain alkyl, alkoxy, alkanoyl, alkanoyloxy or alkoxycarbonyl each of 1 to 18 C; R.sup.2 represents a linear or branched chain alkyl each of 1 to 15 C; --A-- represents a specified group constituted by two directly bonded, six-membered rings; and * indicates asymmetric carbon atom.

公开(公告)号：US4876026A

公开(公告)日：1989-10-24

申请号：US134295

申请日：1987-12-15

申请人： Shinichi Saito ,  Hiromichi Inoue ,  Kazutoshi Miyazawa ,  Kouji Ohno ,  Makoto Ushioda

发明人： Shinichi Saito ,  Hiromichi Inoue ,  Kazutoshi Miyazawa ,  Kouji Ohno ,  Makoto Ushioda

IPC分类号： C07D239/26 ,  C07C67/00 ,  C07C69/24 ,  C07C253/00 ,  C07C255/55 ,  C07D213/30 ,  C07D213/65 ,  C07D239/34 ,  C09K19/12 ,  C09K19/34 ,  C09K19/54

CPC分类号： C07D213/30 ,  C07D239/34 ,  C09K19/12 ,  C09K19/3444 ,  C09K19/3463

摘要： An optically active-2-methylbutyrate capable of imparting a spontaneous polarization value to achiral smectic compositions and also constituting ferroelectric liquid crystal compositions exhibiting a fast response at room temperature, and a liquid crystal composition containing the same, and further a light-switching element therefrom, are provided, which optically active-2-methylbutyrate is expressed by the formula ##STR1## wherein R represents a linear or branched alkyl group or alkoxy group, each of 1 to 18 carbon atoms; A represents ##STR2## wherein X represents any one of F, Cl, Br or cyano group; and * indicates an optically active carbon atom.

摘要翻译： 能够赋予非手性近晶组合物的自发极化值并且还构成在室温下表现出快速反应的铁电液晶组合物的光学活性-2-甲基丁酸酯和含有该自发极化值的液晶组合物，还含有其中的光开关元件 ，其中光学活性-2-甲基丁酸酯由式（I）表示，其中R表示具有1至18个碳原子的直链或支链烷基或烷氧基; A表示 + TR 其中X表示F，Cl，Br或氰基中的任一个; 和*表示光学活性碳原子。