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31.发明授权
公开(公告)号：US4895671A
公开(公告)日：1990-01-23
申请号：US260986
申请日：1988-10-21
申请人： Makoto Ushioda , Kouji Ohno , Shinichi Saito
发明人： Makoto Ushioda , Kouji Ohno , Shinichi Saito
CPC分类号： C09K19/3463 , C07D239/34
摘要： An optically active liquid crystal compound useful as a component of ferroelectric liquid crystal compositions and exhibiting ferroelectric properties within a broad temperature region including room temperature and a liquid crystal composition containing the compound are provided, which compound is an optically active phenylpyrimidine compound expressed by the formula ##STR1## wherein R.sup.1 is a 1-18C alkyl group, n is an integer of 2-15 and C having * attached thereonto indicates an asymmetric carbon atom.
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32.发明授权Liquid crystal compound having methyleneoxy group and composition containing same 失效具有亚甲基氧基的液晶化合物和含有它们的组合物
公开(公告)号：US4668427A
公开(公告)日：1987-05-26
申请号：US771585
申请日：1985-09-03
IPC分类号： C07C41/00 , C07C43/205 , C07C49/84 , C07C67/00 , C07C69/035 , C07C69/773 , C07C69/96 , C09K19/12 , C09K19/20 , C09K19/46 , G02F1/13 , C07C43/20 , C09K19/06
CPC分类号： C07C49/84 , C07C43/2055 , C09K19/20
摘要： A novel chiral liquid crystal compound having an optically active group which affords a superior response rate when used as a liquid crystal display element, and a liquid crystal composition containing the same are provided, which chiral liquid crystal compound is expressed by the formula ##STR1## wherein R represents an alkyl group of 1 to 18 carbon atoms; R* represents an optically active alkyl group of 4 to 15 carbon atoms; X represents single bond, --O--, ##STR2## Y represents --CH.sub.2 O-- or --OCH.sub.2 --; Z represents single bond, --O--, ##STR3## and m and n each represent 1 or 2.
摘要翻译： 提供了当用作液晶显示元件时具有优异响应率的具有光学活性基团的新型手性液晶化合物和含有该手性液晶组合物的液晶组合物，其中手性液晶化合物由下式表示： 其中R表示1至18个碳原子的烷基; R *表示4〜15个碳原子的光学活性烷基; X表示单键，-O-，Y表示-CH 2 O-或-OCH 2 - ; Z表示单键，-O-，
，m和n各自表示1或2。 -
33.发明授权Halogen-containing, optically active liquid crystal compound and liquid crystal composition containing same 失效含卤素的光学活性液晶化合物和含有其的液晶组合物
公开(公告)号：US5312564A
公开(公告)日：1994-05-17
申请号：US999141
申请日：1992-12-31
申请人： Kazutoshi Miyazawa , Hiromichi Inoue , Shinichi Saito , Takashi Inukai , Kanetsugu Terashima , Mitsuyoshi Ichihashi
发明人： Kazutoshi Miyazawa , Hiromichi Inoue , Shinichi Saito , Takashi Inukai , Kanetsugu Terashima , Mitsuyoshi Ichihashi
CPC分类号： C09K19/46 , C09K19/2021
摘要： A novel optically active liquid crystal compound and a liquid crystal composition containing the same are provided, which compound is expressed by the formula ##STR1## wherein R.sub.1 is alkyl or alkoxy of 4-18 C; R.sub.2 is alkyl, alkoxy, acyl or alkoxymethyl of 4-18C; but either one of R.sub.1 or R.sub.2 is an optically active group; either one of X.sub.1 or X.sub.2 is halogen atom and the other is H; m and n each are 0 or 1 and m+n is 0 or 1.
摘要翻译： 提供了一种新型的光学活性液晶化合物和含有它们的液晶组合物，该化合物由式（Ⅰ）表示，其中R1是4-18C的烷基或烷氧基; R2是4-18C的烷基，烷氧基，酰基或烷氧基甲基; 但R 1或R 2中的任一个为光学活性基团; X1或X2中的任一个是卤素原子，另一个是H; m和n各自为0或1，m + n为0或1。
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公开(公告)号：US4761246A
公开(公告)日：1988-08-02
申请号：US821546
申请日：1986-01-22
申请人： Takashi Inukai , Shinichi Saito , Hiromichi Inoue , Kazutoshi Miyazawa , Kanetsugu Terashima , Mitsuyoshi Ichihashi
发明人： Takashi Inukai , Shinichi Saito , Hiromichi Inoue , Kazutoshi Miyazawa , Kanetsugu Terashima , Mitsuyoshi Ichihashi
IPC分类号： C07C67/00 , C07C241/00 , C07C291/08 , C09K19/26 , C09K19/44 , C09K19/46 , G02F1/13 , C09K19/24 , C07C105/00 , C07C107/06
CPC分类号： C09K19/26
摘要： A novel liquid-crystalline, optically active compound exhibiting a chiral smectic phase and a chiral smectic liquid crystal composition containing the same are provided, which liquid-crystalline, optically active compound is a compound expressed by the formula ##STR1## wherein X represents a linear chain alkyl group or a linear chain alkoxy group, each of 4 to 18 carbon atoms, or a halogen atom, R* represents an optically active alkyl group of 4 to 18 carbon atoms and ##STR2## shows that the oxygen atom can be bonded to either nitrogen atom.
摘要翻译： 提供了具有手性近晶相的新颖的液晶光学活性化合物和含有它们的手性近晶液晶组合物，该液晶光学活性化合物是由下式表示的化合物：其中X 表示4〜18个碳原子的直链状烷基或直链状烷氧基，或卤素原子，R *表示4〜18个碳原子的光学活性烷基，＆lt; IMAGE＆gt;表示氧原子 与氮原子键合。
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35.发明授权Liquid crystal compound having methyleneoxy group and composition containing same 失效具有亚甲基氧基的液晶化合物和含有它们的组合物
公开(公告)号：US4751019A
公开(公告)日：1988-06-14
申请号：US1894
申请日：1987-01-09
IPC分类号： C07C41/00 , C07C43/205 , C07C49/84 , C07C67/00 , C07C69/035 , C07C69/773 , C07C69/96 , C09K19/12 , C09K19/20 , C09K19/46 , G02F1/13 , C07C43/20 , C09K19/06
CPC分类号： C07C49/84 , C07C43/2055 , C09K19/20
摘要： A novel chiral liquid crystal compound having an optically active group which affords a superior response rate when used as a liquid crystal display element, and a liquid crystal composition containing the same are provided, which chiral liquid crystal compound is expressed by the formula ##STR1## wherein R represents an alkyl group of 1 to 18 carbon atoms; R* represents an optically active alkyl group of 4 to 15 carbon atoms; X represents single bond, --O--, ##STR2## Y represents --CH.sub.2 O-- or --OCH.sub.2 --; Z represents single bond, --O--, ##STR3## and m and n each represent 1 or 2.
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36.发明授权Novel optically active compound and liquid crystal composition containing same 失效新型光学活性化合物和含有它们的液晶组合物
公开(公告)号：US4689176A
公开(公告)日：1987-08-25
申请号：US811757
申请日：1985-12-20
IPC分类号： G02F1/13 , C07C69/92 , C07C69/94 , C07C255/51 , C09K19/12 , C09K19/20 , C09K19/46 , G09F9/35 , C07C69/76 , C07C121/38
CPC分类号： C07C255/00 , C09K19/2021
摘要： A novel optically active compound suitable for use in a display mode utilizing a ferroelectric liquid crystal, and a chiral smectic liquid crystal composition containing the same are provided, which novel optically active compound is expressed by the formula ##STR1## wherein R represents an alkyl group of 2 to 15 carbon atoms; X represents CN group or a halogen atom; Y and Z each represent a halogen atom or hydrogen atom, but either one of Y and Z is hydrogen atom; l is 1 or 2; m is 0 or 1; and a symbol * shows that the carbon atom having this symbol attached thereto constitutes an optically active center.
摘要翻译： 提供一种适用于利用铁电液晶的显示模式的新颖的光学活性化合物和含有它们的手性近晶液晶组合物，其中新的旋光活性化合物由式（I）表示，其中R表示 2〜15个碳原子的烷基; X表示CN基或卤素原子; Y和Z各自表示卤原子或氢原子，但Y和Z中的任一个为氢原子; l为1或2; m为0或1; 符号*表示具有该符号的碳原子构成光学活性中心。
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37.发明授权Halogen-containing, optically active liquid crystal compound and liquid crystal composition containing same 失效含卤素的光学活性液晶化合物和含有其的液晶组合物
公开(公告)号：US4780242A
公开(公告)日：1988-10-25
申请号：US838561
申请日：1986-03-11
申请人： Kazutoshi Miyazawa , Hiromichi Inoue , Shinichi Saito , Takashi Inukai , Kanetsugu Terashima , Mitsuyoshi Inchihashi
发明人： Kazutoshi Miyazawa , Hiromichi Inoue , Shinichi Saito , Takashi Inukai , Kanetsugu Terashima , Mitsuyoshi Inchihashi
CPC分类号： C09K19/46 , C09K19/2021
摘要： A novel optically active liquid crystal compound and a liquid crystal composition containing the same are provided, which compound is expressed by the formula ##STR1## wherein R.sub.1 is alkyl or alkoxy of 4-18 C; R.sub.2 is alkyl, alkoxy, acyl or alkoxymethyl of 4-18 C; but either one of R.sub.1 or R.sub.2 is an optically active group; either one of X.sub.1 or X.sub.2 is halogen atom and the other is H; m and n each are 0 or 1 and m+n is 0 or 1.
摘要翻译： 提供了一种新型的光学活性液晶化合物和含有它们的液晶组合物，该化合物由式（Ⅰ）表示，其中R1是4-18C的烷基或烷氧基; R2是4-18C的烷基，烷氧基，酰基或烷氧基甲基; 但R 1或R 2中的任一个为光学活性基团; X1或X2中的任一个是卤素原子，另一个是H; m和n各自为0或1，m + n为0或1。
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公开(公告)号：US4834907A
公开(公告)日：1989-05-30
申请号：US4815
申请日：1987-01-08
IPC分类号： C07C51/60 , C07C69/773 , C07C69/92 , C07C69/94 , C07C69/96 , C09K19/12 , C09K19/20 , C09K19/46 , G02F1/13
CPC分类号： C09K19/2021 , C07C51/60 , C09K19/126
摘要： Novel chiral smectic liquid crystalline ester compounds having a superior stability and exhibiting a high response rate when used in the form of display elements and chiral smectic mixtures containing at least one of these compounds are provided, which compounds are expressed by the formula ##STR1## wherein n is an integer of 2 to 16; l is 0, 1 or 2; m is 1 or 2 under the condition of l+m.gtoreq.2; X represents methylene group --CH.sub.2 -- or single bond when l is zero, methylene group --CH.sub.2 -- or ether linkage --O-- when l=1 or ether linkage --O-- when l=2; and Y represents R, OR, --COR, --OCOR, --OCOOR or --COOR wherein R throughout represents an alkyl group of 1 to 18 carbon atoms; and asterisk * shows an optically active carbon atom.
摘要翻译： 提供了具有优异稳定性并以显示元件形式使用并且含有至少一种这些化合物的手性近晶混合物时具有高响应率的新型手性近晶液晶酯化合物，该化合物由下式表示：其中 n为2〜16的整数。 l为0,1或2; 在l + m> / = 2的条件下，m为1或2; 当l = 1时，X表示亚甲基-CH 2 - 或单键，当l = 1时为亚甲基-CH 2 - 或醚键-O-，当l = 2时，表示醚键-O-; 并且Y表示R，OR，-COR，-OCOR，-OCOOR或-COOR，其中R全部表示1至18个碳原子的烷基; 星号*表示光学活性碳原子。
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公开(公告)号：US4816181A
公开(公告)日：1989-03-28
申请号：US900812
申请日：1986-08-27
CPC分类号： C09K19/2021
摘要： An optically active liquid crystal compound having a large spontaneous polarization value and a chiral smectic liquid crystal composition containing the same are provided, which compound is expressed by the formula ##STR1## wherein R.sup.1 and R.sup.2 each represent an alkyl group of 4 to 18 carbon atoms and l represents 1 or 0.
摘要翻译： 提供具有大自发极化值的光学活性液晶化合物和含有该自由极化值的手性近晶液晶组合物，该化合物由下式表示：其中R 1和R 2各自表示4至18个碳原子的烷基 和l表示1或0。
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40.发明授权.alpha.-hydroxyketone derivatives, liquid crystal compositions containing said derivatives, and liquid crystal devices using said compositions 失效（ALPHA） - 羟酮衍生物，含有上述衍生物的液晶组合物和使用上述组合物的液晶装置
公开(公告)号：US5164112A
公开(公告)日：1992-11-17
申请号：US553957
申请日：1990-07-17
申请人： Shinichi Saito , Hiromichi Inoue , Kouji Ohno
发明人： Shinichi Saito , Hiromichi Inoue , Kouji Ohno
IPC分类号： G02F1/13 , C07C49/84 , C07C69/007 , C07C69/24 , C07C69/76 , C07C69/94 , C07C255/31 , C07C255/32 , C07C255/37 , C07C255/38 , C07C255/41 , C07D213/30 , C07D213/55 , C07D213/63 , C07D213/79 , C07D237/08 , C07D239/26 , C07D239/34 , C07D241/12 , C09K19/12 , C09K19/14 , C09K19/20 , C09K19/30 , C09K19/34 , C09K19/58
CPC分类号： C07D239/26 , C07C69/007 , C07C69/76 , C07C69/94 , C09K19/2021 , C09K19/2028 , C09K19/3068 , C09K19/3441 , C09K19/3444 , C09K19/3463 , C09K19/58 , C09K19/588
摘要： .alpha.-hydroxyketone derivatives represented by the general formula (I) which are novel optically active compounds; liquid crystal compositions, such as chiral smectic or chiral nematic compositions, containing the derivatives; and liquid crystal devices using the compositions. ##STR1## wherein A and B are independently a radical represented by the general formula (II): ##STR2## wherein R.sup.2 is an aliphatic hydrocarbon having 1 to 16 carbon atoms, which may contain --O-- and may be substituted by a cyano group and/or a halogen atom, ##STR3## are independently a single bond, ##STR4## etc., X and Y are independently a single bond, or --CH.sub.2 CH.sub.2 --, etc., or an aliphatic hydrocarbon having 1 to 16 carbon atoms; R.sup.1 is an alkyl group, a phenyl group, or a cyclohexyl group; n is 0 or 1; and the asterisk (*) indicates an asymmetric carbon atom.
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