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1.发明授权
公开(公告)号：EP0488682B1
公开(公告)日：1997-04-23
申请号：EP91310936.9
申请日：1991-11-27
申请人： Chisso Corporation
IPC分类号： C07D307/33 , C09K19/34 , G02F1/1333
CPC分类号： C07D307/33 , C09K19/0225 , C09K19/3405
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2.发明授权Optically active 2-biphenylpyrimidine derivatives and liquid crystal compositions containing them 失效光学活性的2- Biphenylpyrimidinderivate和那些含有液晶混合物。
公开(公告)号：EP0289270B1
公开(公告)日：1994-12-14
申请号：EP88303761.6
申请日：1988-04-26
申请人： Chisso Corporation
IPC分类号： C07D239/26 , C07D239/34 , C09K19/34
CPC分类号： C09K19/3458 , C07D239/26 , C07D239/34
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公开(公告)号：EP0260910B1
公开(公告)日：1992-05-27
申请号：EP87308098.0
申请日：1987-09-14
申请人： Chisso Corporation
IPC分类号： C07D237/08 , C09K19/34
CPC分类号： C09K19/3455 , C07D237/08
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4.发明公开Alpha-hydroxyketone derivatives, liquid crystal compositions containing said derivatives, and liquid crystal devices using said compositions 失效ALPHA-羟基酮衍生物，含有该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：EP0409234A3
公开(公告)日：1992-03-18
申请号：EP90113860.2
申请日：1990-07-19
申请人： Chisso Corporation
发明人： Saito, Shinichi , Inoue, Hiromichi , Ohno, Kouji
IPC分类号： C09K19/20
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： α-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. General Formula (I)
wherein A and B are independently a radical represented by the general formula (II):
wherein R 2 is an aliphatic hydrocarbon having 1 to 16 carbon atoms, which may contain -0- and may be substituted by a cyano group and/or a halogen atom,
are independently a single bond, etc., X and Y are independently a single bond, or -CH 2 CH 2 -, etc., or an aliphatic hydrocarbon having 1 to 16 carbon atoms; R 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.-
5.发明授权Optically active 2-methyl 1,3-propanediol derivatives, liquid crystal compositions comprising them and optical switching element 失效光活性2-甲基1,3-丙二醇衍生物，包含它们和光学开关元件的液晶组合物
公开(公告)号：EP0257457B1
公开(公告)日：1990-10-31
申请号：EP87111688.5
申请日：1987-08-12
申请人： Chisso Corporation
IPC分类号： C07C69/22 , C07D239/34 , C07D239/26 , C07D213/30 , C07D237/14 , C09K19/12 , C09K19/34 , G02F1/13
CPC分类号： C07D213/30 , C07D237/14 , C07D239/26 , C07D239/34 , C09K19/126 , C09K19/3444 , C09K19/3452 , C09K19/3455 , C09K19/3463
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公开(公告)号：EP0317204A3
公开(公告)日：1990-09-12
申请号：EP88310659.3
申请日：1988-11-11
申请人： Chisso Corporation
IPC分类号： C07C69/708 , C07D239/26 , C07D239/34 , C07D213/30 , C07D213/65 , C09K19/12 , C09K19/34
CPC分类号： C07D239/26 , C07D213/30 , C07D239/34 , C09K19/126 , C09K19/3444 , C09K19/3463
摘要： Optical active compound, particularly useful as components of ferroelectric liquid crystal compositions, have the formula:
in which R¹ is a straight or branched alkyl or alkoxy group containing up to 18 carbon atoms, R² is a straight or branched alkyl group containing up to 12 carbon atoms, -A- is a group
(wherein X is a fluorine or chlorine atom or a cyano group and * indicates an asymmetric carbon atom.-
公开(公告)号：EP0279629A3
公开(公告)日：1990-03-28
申请号：EP88301277.5
申请日：1988-02-16
申请人： Chisso Corporation
IPC分类号： C07C43/205 , C07C69/24 , C07C69/708 , C07D213/30 , C07D239/26 , C07D239/34 , C07D237/08 , C09K19/12 , C09K19/34 , C09K19/30
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： Optically active compounds useful as components of liquid crystal compositions and chiral liquid crystal compositions containing them, which optically active compounds have the formula:
in which R¹ is a C₁-C₂₀ alkyl or C₁-C₂₀ alkoxy group, a hydrogen or halogen atom or a cyano group;
each represents a group:
(in which X is a hydrogen or halogen atom or a cyano group);
R² is a C₁-C₂₀ alkyl group;
and m and n are each 0 or 1.-
公开(公告)号：EP0317204A2
公开(公告)日：1989-05-24
申请号：EP88310659.3
申请日：1988-11-11
申请人： Chisso Corporation
IPC分类号： C07C69/708 , C07D239/26 , C07D239/34 , C07D213/30 , C07D213/65 , C09K19/12 , C09K19/34
CPC分类号： C07D239/26 , C07D213/30 , C07D239/34 , C09K19/126 , C09K19/3444 , C09K19/3463
摘要： Optical active compound, particularly useful as components of ferroelectric liquid crystal compositions, have the formula:
in which R¹ is a straight or branched alkyl or alkoxy group containing up to 18 carbon atoms, R² is a straight or branched alkyl group containing up to 12 carbon atoms, -A- is a group
(wherein X is a fluorine or chlorine atom or a cyano group and * indicates an asymmetric carbon atom.摘要翻译： 特别用作铁电液晶组合物组分的光学活性化合物具有下式：其中R 1是含有至多18个碳原子的直链或支链烷基或烷氧基，R 2是含有至多12个碳原子的直链或支链烷基 原子，-A-是基团（其中X是氟或氯原子或氰基，*表示不对称碳原子。
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公开(公告)号：EP0313338A2
公开(公告)日：1989-04-26
申请号：EP88309816.2
申请日：1988-10-19
申请人： Chisso Corporation
IPC分类号： C07D213/30 , C09K19/34
CPC分类号： C07D213/30 , C09K19/3444 , Y02P20/55
摘要： Optically active liquid crystal compound, useful as components of ferroelectric liquid crystal compositions, are 2-biphenylylpyridines of the formula:
wherein R is a C₁-C₁₅ alkyl group. R* is an optically active group and X is a hydrogen or fluorine atom.摘要翻译： 可用作铁电液晶组合物的组分的光学活性液晶化合物是下式的2-联苯基吡啶：其中R是C1-C15烷基的
。 R *是光学活性基团，X是氢或氟原子。 -
10.发明公开
公开(公告)号：EP0197677A3
公开(公告)日：1988-09-21
申请号：EP86301889
申请日：1986-03-14
申请人： Chisso Corporation
发明人： Miyazawa, Kazutoshi , Inoue, Hiromichi , Saito, Shinichi , Terashima, Kanetsugu Nokendo-Kopo , Ichihashi, Mitsuyoshi , Inukai, Takashi
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
wherein R 1 is alkyl or alkoxy of 4 - 18 C; R 2 is alkyl, alkoxy, acyl or alkoxymethyl of 4 - 18C; but either one of R 1 or R 2 is an optically active group; either one of X 1 or X 2 is halogen atom and the other is H; m and n each are 0 or 1 and m+n is 0 or 1.
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