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11. 发明授权

US5154851A Liquid crystal compound having large optical anisotropy value 失效
标题翻译：具有大光学平均值的液晶
公开(公告)号：US5154851A
公开(公告)日：1992-10-13
申请号：US451033
申请日：1989-12-15
申请人： Yasuyuki Goto , Kisei Kitano
发明人： Yasuyuki Goto , Kisei Kitano
IPC分类号： G02F1/13 , C07C13/28 , C07C15/54 , C07C25/24 , C07C43/188 , C07C43/215 , C07C69/75 , C07C69/76 , C07C69/773 , C07C255/50 , C07C255/54 , C07C255/55 , C07C255/57 , C07D239/26 , C07D239/28 , C07D319/06 , C09K19/18 , C09K19/20 , C09K19/30 , C09K19/34 , C09K19/42 , C09K19/46 , G02F1/137 , G02F1/139
CPC分类号： C07C43/215 , C07C13/28 , C07C15/54 , C09K19/18 , C09K19/2028 , C09K19/3059 , C09K19/3402 , C09K19/3461 , C07C2101/14 , C09K2019/3422
摘要： A liquid crystal compound is provided, having a large optical anisotropy .DELTA.n value and yet a low viscosity, and which can be added to a liquid crystal composition, without lowering the NI point of the composition and raising the viscosity thereof, while raising the .DELTA.n value thereof. The liquid crystal compound is a 4-substituted-4'-(1-alkynyl)tolan expressed by the formula ##STR1## wherein R.sup.1 and R.sup.2 each is 1-8C alkyl and one CH.sub.2 group or two non-adjacent CH.sub.2 groups present therein may be replaced by any one of O, --CO--, --CO--O--, --O--CO-- or --CH.sub.2 .dbd.CH.sub.2 --; --A-- is unsubstituted 1,4-phenylene, 1,4-phenylene having one or two F, Cl or Br atoms or CN groups, 1,4-cyclohexylene, pyrimidine-2,5-diyl or 1,3-dioxane-2,5-diyl; X is --COO--, --OCO--, --CH.sub.2 --CH.sub.2 --, --OCH.sub.2 --, --CH.sub.2 O--, --CH.dbd.CH-- or a single bond; n is 0 or 1 and when n is 0, X is a single bond; and Y is H or F.

12. 发明授权

US5112523A Phenylpyrimidinecarboxylate derivative 失效
标题翻译：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.

13. 发明授权

US4640796A 1,4-dipyrimidinylbenzene derivative 失效
标题翻译： 1,4-二嘧啶基苯衍生物
公开(公告)号：US4640796A
公开(公告)日：1987-02-03
申请号：US801877
申请日：1985-11-26
申请人： Naoyuki Yoshida , Kisei Kitano , Yoshito Furukawa , Tetsuya Ogawa , Shigeru Sugimori , Yasuyuki Goto , Toyoshiro Isoyama , Kazunori Nigorikawa
发明人： Naoyuki Yoshida , Kisei Kitano , Yoshito Furukawa , Tetsuya Ogawa , Shigeru Sugimori , Yasuyuki Goto , Toyoshiro Isoyama , Kazunori Nigorikawa
IPC分类号： G02F1/13 , C07D239/26 , C07D239/30 , C07D239/34 , C07D239/38 , C09K19/34 , C09K19/42 , C07D403/00
CPC分类号： C07D239/26 , C07D239/34 , C07D239/38 , C09K19/3466
摘要： A novel 1,4-dipyrimidinylbenzene derivative which is useful as a component constituting a liquid crystal composition which is superior in properties and also physically and chemically stable, as a material for liquid crystal display elements, and a liquid crystal composition containing the same are provided, which derivative is expressed by the formula ##STR1## wherein X represents an alkyl group or an alkoxy group each of 1 to 10 carbon atoms, methylthio group or cyano group and Y represents an alkyl group or an alkoxy group each of 1 to 10 carbon atoms.
摘要翻译：提供一种新的1,4-二嘧啶基苯衍生物，其可用作构成液晶组合物的特性，物理和化学稳定性的组分，作为液晶显示元件的材料，以及含有该液晶组合物的液晶组合物该衍生物由式（1）表示，其中X代表1-10个碳原子的烷基或烷氧基，甲硫基或氰基，Y代表1-10个碳原子的烷基或烷氧基原子

14. 发明授权

US4640795A 5-alkyl-2-(3,4-difluorophenyl)pyrimidine and nematic liquid crystal composition containing same 失效
标题翻译： 5-烷基-2-（3,4-二氟苯基）嘧啶和含有它的向列型液晶组合物
公开(公告)号：US4640795A
公开(公告)日：1987-02-03
申请号：US842190
申请日：1986-03-21
申请人： Tetsuya Ogawa , Kisei Kitano , Yasuyuki Goto , Masahiro Fukui , Shigeru Sugimori
发明人： Tetsuya Ogawa , Kisei Kitano , Yasuyuki Goto , Masahiro Fukui , Shigeru Sugimori
IPC分类号： C07D239/26 , C09K19/58 , C09K19/34 , C07D239/00 , G02F1/13
CPC分类号： C07D239/26 , C09K19/582
摘要： A novel compound which exhibits superior effectiveness particularly in reducing the driving voltage of liquid crystal display elements, and a liquid crystal composition containing the same are provided, which compound is a 5-alkyl-2-(3,4-difluorophenyl)pyrimidine expressed by the formula ##STR1## wherein m represents an integer of 1 to 8.
摘要翻译：提供一种具有优异效果的新型化合物，特别是降低液晶显示元件的驱动电压，以及含有该液晶组合物的液晶组合物，该化合物是由5-烷基-2-（3,4-二氟苯基）嘧啶其中，m表示1〜8的整数。

15. 发明授权

US4581155A Halogenopyrimidine derivatives 失效
标题翻译：卤代嘧啶衍生物
公开(公告)号：US4581155A
公开(公告)日：1986-04-08
申请号：US593434
申请日：1984-03-26
申请人： Yasuyuki Goto , Tetsuya Ogawa , Kisei Kitano , Masahiro Fukui , Shigeru Sugimori
发明人： Yasuyuki Goto , Tetsuya Ogawa , Kisei Kitano , Masahiro Fukui , Shigeru Sugimori
IPC分类号： C07D239/26 , C09K19/34 , C07D239/02 , G02F1/13
CPC分类号： C07D239/26 , C09K19/3469
摘要： Novel compounds capable of improving various characteristics required for liquid crystal compositions when added to liquid crystal substances, and liquid crystal compositions containing the same are provided, which novel compounds are halogenopyrimidine derivatives expressed by the general formula ##STR1## wherein R.sup.1 represents an alkyl group of 1 to 10 carbon atoms, R.sup.2 represents a halogen atom of F, Cl of Br and l represents 1 or 2.
摘要翻译：提供了能够提高添加到液晶物质中时液晶组合物所需要的各种特性的新型化合物和含有该液晶组合物的液晶组合物，其中新化合物是由通式“IMAGE”表示的卤代嘧啶衍生物，其中R1表示 1至10个碳原子，R 2表示F的卤素原子，Br的Cl和I表示1或2。

16. 发明授权

US4533488A Pyrimidine derivatives 失效
标题翻译：嘧啶衍生物
公开(公告)号：US4533488A
公开(公告)日：1985-08-06
申请号：US525881
申请日：1983-08-24
申请人： Masahiro Fukui , Kisei Kitano , Masami Tanaka , Yasuyuki Goto
发明人： Masahiro Fukui , Kisei Kitano , Masami Tanaka , Yasuyuki Goto
IPC分类号： C07D239/26 , C07D239/30 , C07D239/34 , C07D239/54 , C09K19/34 , C09K19/42 , C09K19/44 , G02F1/13 , C09K3/34 , C07D239/24
CPC分类号： C07D239/26 , C07D239/30 , C07D239/54 , C09K19/3458
摘要： Novel organic compounds useful as a component of liquid crystal compositions are provided which compounds are 5-substituted-2-(4'-substituted biphenylyl)pyrimidines and 5-substituted-2-[4'-(trans-4"-substituted cyclohexyl) phenyl]pyrimidines expressed by the general formula ##STR1## wherein R.sub.1 and R.sub.2 each represent an alkyl group or an alkyloxy group having 1 to 10 carbon atoms and ##STR2## represents cyclohexane ring or benzene ring.
摘要翻译：提供了可用作液晶组合物组分的新型有机化合物，其中化合物是5-取代-2-（4'-取代的联苯基）嘧啶和5-取代-2- [4' - （反式-4“ - 取代的环己基）苯基]嘧啶，其中R1和R2各自表示烷基或具有1-10个碳原子的烷氧基，并且“IMAGE”表示环己烷环或苯环。

17. 发明授权

US5202055A Alkenyl ether compound and a composition containing the same 失效
标题翻译：亚苄基醚化合物及其组合物
公开(公告)号：US5202055A
公开(公告)日：1993-04-13
申请号：US407286
申请日：1989-09-14
申请人： Manabu Uchida , Kisei Kitano , Shinichi Sawada , Keiko Uchida
发明人： Manabu Uchida , Kisei Kitano , Shinichi Sawada , Keiko Uchida
IPC分类号： C07C255/54 , C09K19/30 , C09K19/54
CPC分类号： C07C255/54 , C09K19/3003 , C07C2101/14
摘要： A compound and a liquid crystal composition containing the compound are provided, which compound, when added to a nematic liquid crystal composition, increases the dielectric anisotropy value, lowers its threshold voltage and raises the ratios of elastic constants and hence makes steep the voltage-transmittance characteristic,which compound is an alkenyl ether compound expressed by the formula ##STR1## wherein R is a 2-8C alkyl group having a double bond at its end or a double bond of trans configuration at an optional position and n is 0 to 4.

18. 发明授权

US4874546A Phenylpyrimidinecarboxylate derivative 失效
标题翻译：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 =。

19. 发明授权

US4824596A 2-(trans-4-alkylcyclohexyl)-5-alkoxypyrimidines 失效
标题翻译： 2-（反-4-烷基环己基）-5-烷氧基嘧啶
公开(公告)号：US4824596A
公开(公告)日：1989-04-25
申请号：US71380
申请日：1987-07-09
申请人： Kisei Kitano , Yasuyuki Goto
发明人： Kisei Kitano , Yasuyuki Goto
IPC分类号： C07D239/46 , C07D239/34 , C09K19/34 , C09K19/42 , C07D239/02 , G02F1/13
CPC分类号： C09K19/3458 , C07D239/34
摘要： Novel compounds which, when used as a component of nematic liquid crystal compositions, can improve the characteristics of .DELTA.n and viscosity of the resulting liquid crystal compositions and also does not greatly adversely affect other characteristics thereof, and a liquid crystal composition containing such a compound are provided, which compound is expressed by the formula ##STR1## wherein R.sub.1 and R.sub.2 each independently represent an alkyl group of 1 to 12 carbon atoms.
摘要翻译：当用作向列型液晶组合物的组分时，可以改善所得液晶组合物的DELTA n的特性和粘度的新型化合物，也不会对其它特性产生很大的不利影响，并且含有这种化合物的液晶组合物，其中R 1和R 2各自独立地表示1至12个碳原子的烷基。

20. 发明授权

US4756847A 4'-cyano-3'-halogenophenyl 4-(5-substituted-pyrimidin-2-yl)benzoate derivatives and liquid crystal composition comprising same 失效
标题翻译： 4'-氰基-3'-卤代苯基4-（5-取代 - 嘧啶-2-基）苯甲酸酯衍生物和包含其的液晶组合物
公开(公告)号：US4756847A
公开(公告)日：1988-07-12
申请号：US817274
申请日：1986-01-08
申请人： Naoyuki Yoshida , Kisei Kitano , Yoshito Furukawa , Tetsuya Ogawa , Shigeru Sugimori , Yasuyuki Goto , Toyoshiro Isoyama , Kazunori Nigorikawa
发明人： Naoyuki Yoshida , Kisei Kitano , Yoshito Furukawa , Tetsuya Ogawa , Shigeru Sugimori , Yasuyuki Goto , Toyoshiro Isoyama , Kazunori Nigorikawa
IPC分类号： G02F1/13 , C07D239/26 , C07D239/34 , C09K19/34 , C09K19/46 , C09K3/34 , C07D239/32
CPC分类号： C07D239/26 , C07D239/34 , C09K19/3469
摘要： Novel compounds which, when used as a components of liquid crystal compositions, have good compatibility with other components and also have large values of dielectric anisotropy and optical anisotropy, and liquid crystal compositions containing the same are provided, which compounds are 4'-cyano-3'-halogenophenyl 4-(5-substituted-pyrimidin-2-yl)benzoate expressed by the formula ##STR1## wherein R represents an alkyl group of 1 to 10 carbon atoms or --(CH.sub.2).sub.m --O--(CH.sub.2).sub.p --CH.sub.3 wherein m and p each represent an integer of 0 to 8 and m+p.ltoreq.8, and X represents a halogen atom.
摘要翻译：当用作液晶组合物的组分时，与其它组分具有良好的相容性并且还具有大的介电各向异性和光学各向异性值的新型化合物，并且提供含有这些化合物的液晶组合物，该化合物是4'-氰基 - 由式（I）表示的4-（5-取代 - 嘧啶-2-基）苯甲酸酯，其中R表示1-10个碳原子的烷基或 - （CH2）mO-（CH2） p-CH 3，其中m和p各自表示0至8的整数，m + p = 8，X表示卤素原子。

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