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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'）
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12.发明授权
公开(公告)号：US5021191A
公开(公告)日：1991-06-04
申请号：US152420
申请日：1988-02-04
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.
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公开(公告)号：US4876026A
公开(公告)日：1989-10-24
申请号：US134295
申请日：1987-12-15
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。 -
14.发明授权Optically active alkanoyloxy 2,5-diphenyl pyrimidine and liquid crystal compositions 失效光学活性烷酰氧基2,5-二苯基嘧啶和液晶组合物
公开(公告)号：US4900473A
公开(公告)日：1990-02-13
申请号：US260520
申请日：1988-10-20
CPC分类号： C07D239/26 , C09K19/3463 , C09K19/44
摘要： The present invention provides new optically active 2,5-diphenyl pyrimidine derivatives, optically active liquid crystal compositions containing the derivatives and electro optical elements comprising the compositions.The derivatives have the following general formula: ##STR1## wherein R indicates an alkyl or alkoxy group having 2-20 carbon atoms and R* indicates an optically active alkyl group having 4-20 carbon atoms.
摘要翻译： 本发明提供新的光学活性2,5-二苯基嘧啶衍生物，含有衍生物的光学活性液晶组合物和包含该组合物的电光元件。 衍生物具有以下通式：其中R表示具有2-20个碳原子的烷基或烷氧基，R *表示具有4-20个碳原子的光学活性烷基。
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15.发明授权Liquid crystal compound with a 4-(optically active alkyl)-3-cyanophenyl group 失效具有4-（光学活性烷基）-3-氰基苯基的液晶化合物
公开(公告)号：US4913838A
公开(公告)日：1990-04-03
申请号：US168319
申请日：1988-03-18
IPC分类号： C07D213/84 , C07C67/00 , C07C253/00 , C07C253/14 , C07C255/50 , C07C255/55 , C07C255/57 , C07D213/06 , C07D213/55 , C07D213/61 , C07D213/65 , C07D237/08 , C07D237/14 , C07D237/24 , C07D239/26 , C07D239/28 , C07D239/34 , C09K19/06 , C09K19/12 , C09K19/20 , C09K19/30 , C09K19/34 , C09K19/42 , C09K19/44 , G02F1/13
CPC分类号： C09K19/2021 , C09K19/126 , C09K19/3003 , C09K19/3444 , C09K19/3455 , C09K19/3463
摘要： An optically active liquid crystal compound having specific features suitable to a display mode utilizing ferroelectric chiral smectic phases and particularly having a large spontaneous polarization value, and a chiral liquid crystal composition containing the compound are provided, which compound is expressed by the formula ##STR1## wherein R.sup.1 represents an alkyl group of 2 to 18 carbon atoms; R.sup.2 represents an alkyl group or alkoxy group each of 1 to 20 carbon atoms, hydrogen atom, a halogen atom or cyano group; A represents --COO-- or --OCO--; B and C each represent a single bond, ##STR2## wherein X represents hydrogen atom, a halogen atom or cyano group; and l, m and n each represent 0 or 1.
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公开(公告)号：US4818429A
公开(公告)日：1989-04-04
申请号：US95111
申请日：1987-09-11
IPC分类号： C07D237/08 , C07D237/14 , C09K19/34 , C09K19/42 , C07D237/00 , C07D237/02 , C09K19/52
CPC分类号： C07D237/14 , C09K19/3455
摘要： A compound useful as a component constituting ferroelectric liquid crystal display elements and a liquid crystal composition containing the same are provided, which compound is expressed by the formula ##STR1## wherein R represents a linear or branched chain alkyl group of 1 to 20 carbon atoms and R* represents an optically active alkyl group, alkoxy group, alkoxyalkyl group, alkoxyalkoxy group, alkanoyloxyalkyl group, alkanoyloxyalkoxy group, halogenated alkyl group or halogenated alkoxy group each of 2 to 20 carbon atoms.
摘要翻译： 提供了可用作构成铁电液晶显示元件的组分的化合物和含有该化合物的液晶组合物，该化合物由式（I）表示，其中R表示1至20的直链或支链烷基 碳原子，R *表示2〜20个碳原子的光学活性烷基，烷氧基，烷氧基烷基，烷氧基烷氧基，烷酰氧基烷基，烷酰氧基烷氧基，卤代烷基或卤代烷氧基。
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公开(公告)号：US4886622A
公开(公告)日：1989-12-12
申请号：US270865
申请日：1987-08-18
IPC分类号： C07C67/00 , C07C253/00 , C07C255/53 , C07C255/55 , C07C255/57 , C07D213/30 , C07D213/63 , C07D213/65 , C07D239/26 , C07D239/28 , C07D239/30 , C07D239/34 , C09K19/12 , C09K19/20 , C09K19/30 , C09K19/34 , C09K19/46 , G02F1/13
CPC分类号： C07D213/30 , C07C255/00 , C07D213/65 , C07D239/26 , C09K19/2021 , C09K19/3068 , C09K19/3444 , C09K19/3463
摘要： An optically liquid crystalline compound having an extremely large spontaneous polarization value and a chiral smectic liquid crystal composition containing the compound are provided, the compound being expressed by the formula ##STR1## wherein m represents an integer of 2 to 18; l represents an integer of 0 to 12; n represents 0 or 1; R represents an alkyl group or an alkoxy group each of 2 to 20 carbon atoms, a halogen atom or cyano group; and A and B each represent a single bond, ##STR2## wherein X represents hydrogen atom, a halogen atom or cyano group, and a chiral smectic liquid crystal composition containing at least one kind of the above compound.
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公开(公告)号：US4865763A
公开(公告)日：1989-09-12
申请号：US203150
申请日：1988-06-06
IPC分类号： C07D295/10 , C07D213/30 , C07D239/26 , C07D309/06 , C09K19/34 , C09K19/44 , C09K19/46 , G02F1/13
CPC分类号： C07D213/30 , C07D239/26 , C09K19/3463
摘要： A novel liquid crystalline, halogen-containing heterocyclic compound having a characteristic that even when its S.sub.c * phase is supercooled, no other smectic phases appear, and a liquid crystal composition containing the same are provided, which compound is expressed by the formula ##STR1## wherein R.sub.1 and R.sub.2 each represent an alkyl group of 2 to 18 carbon atoms; X represents --N.dbd. or --CH.dbd.; Y represents F or Cl; n represents an integer of 0 to 10; and a symbol * represents an asymmetric carbon atom.
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公开(公告)号：US4818430A
公开(公告)日：1989-04-04
申请号：US98932
申请日：1987-09-15
IPC分类号： C07D237/08 , C09K19/34 , C09K19/52 , C07D237/00 , C07D237/02
CPC分类号： C09K19/3455 , C07D237/08
摘要： A compound useful as a constituent of liquid crystal materials for ferroelectric liquid crystal display elements and a liquid crystal composition containing the same are provided, which compound is expressed by the formula ##STR1## wherein R represents a linear or branched chain alkyl group or alkoxy group each of 1 to 20 carbon atoms, R* represents an optically active group of 3 to 16 carbon atoms and X and Y each represent H or F.
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公开(公告)号：US4784792A
公开(公告)日：1988-11-15
申请号：US942626
申请日：1986-12-16
IPC分类号： C07D213/30 , C07D309/06 , C09K19/34 , C09K19/44 , C09K19/46 , C09K19/54 , G02F1/13 , C07D211/70
CPC分类号： C07D213/30 , C09K19/3444
摘要： A ferroelectric pyridine compound suitable as a liquid crystal for display mode utilizing ferroelectric properties and exhibiting SC* phase at a temperature somewhat higher than room temperature and a liquid crystal composition are provided, which compound is expressed by the formula ##STR1## wherein n represents an integer of 0 to 8, R.sub.1 represents an alkyl group of 2 to 18 carbon atoms, R.sub.2 represents an alkyl group of 1 to 18 carbon atoms and the symbol * indicates that C having the symbol attached thereon is an optically active carbon atom.
摘要翻译： 提供一种铁电吡啶化合物，其适用于利用铁电性能和在稍高于室温的温度下显示SC *相的显示模式的液晶和液晶组合物，该化合物由式（I）表示，其中式 n表示0〜8的整数，R1表示碳原子数2〜18的烷基，R2表示碳原子数为1〜18的烷基，符号*表示其上附有符号的C为光学活性碳原子 。
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