专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明专利

JPS59144728A Liquid crystal compound, liquid crystal composition, and liquid crystal display element 失效
标题翻译：液晶化合物，液晶组合物和液晶显示元件
公开(公告)号：JPS59144728A
公开(公告)日：1984-08-18
申请号：JP1751883
申请日：1983-02-07
申请人： Hitachi Ltd , Kanto Kagaku Kk
发明人： YOKOKURA HISAO , KITAMURA TERUO , OKABE YOSHIAKI , KOUBI AKIO , ABE HIDETOSHI , FUJII TSUNENORI , YOSHIDA MASAHIRO , OOMORI HIDEKI , OOKAWA HISASHI , KURIHARA MAKOTO , SUZUKI KENJI
IPC分类号： C07C69/608 , C07C45/00 , C07C45/46 , C07C49/255 , C07C49/782 , C07C49/792 , C07C63/49 , C07C67/00 , C07C69/612 , C07C69/753 , C07C69/76 , C09K19/12 , C09K19/30 , C09K19/32 , C09K19/46 , G02F1/13
CPC分类号： C09K19/321 , C07C45/46 , C07C49/782 , C07C49/792 , C07C63/49 , C09K19/12 , C09K19/3003
摘要： NEW MATERIAL:A compound containing two or more 6-membered rings directly linked through carbon atoms which they have, respectively, wherein the carbon atoms at both the ends of the 6-membered rings are directly bonded to noncyclic terminal groups, one of the terminal groups is an alkyl group, or a group which is linked through an alkylene group to the 6-membered ring and contains no alkoxycarbonyl group, and the other is a group which contains a CO group and an alkoxy group at the end.
EXAMPLE: 4-(Trans-4-propylcyclohexyl)benzoic acid methyl ester.
USE: A liquid crystal compound. Having low viscosity and low refractive index anisotropy.
PREPARATION: A compound shown by the formula I and a compound shown by the formula II are subjected to Grignard reaction to give a compound shown by the formula III, which is dehydrated, then hydrogenated to give a compound shown by the formula IV, which is acetylated, subjected to a haloform reaction, a carboxyl group is introduced, and esterified, to give a compound shown by the formula V.
COPYRIGHT: (C)1984,JPO&Japio
摘要翻译：新材料：含有两个或更多个通过碳原子直接连接的六元环的化合物，其中六元环两端的碳原子分别直接与非环末端键合，其中一个末端基团是通过亚烷基连接到6-元环并且不含烷氧基羰基的基团，另一个是在末端含有CO基团和烷氧基的基团。实施例：4-（反-4-丙基环己基）苯甲酸甲酯。用途：液晶化合物。具有低粘度和低折射率各向异性。制备：将式I化合物和由式II表示的化合物进行格氏反应，得到式III所示的化合物，其脱水，然后氢化，得到式IV所示的化合物，其为乙酰化，进行卤代反应，引入羧基并进行酯化，得到式V所示的化合物。

2. 发明专利

JPS60209539A Nematic liquid crystal compound and liquid crystal composition 失效
标题翻译：水性液晶和液晶组合物
公开(公告)号：JPS60209539A
公开(公告)日：1985-10-22
申请号：JP6579584
申请日：1984-04-04
申请人： Hitachi Ltd , Kanto Kagaku Kk
发明人： KITAMURA TERUO , YOKOKURA HISAO , HANAWA YASUO , KOUBI AKIO , YOSHIDA MASAHIRO , SUZUKI KENJI , OOKAWA HISASHI , FUJII TSUNENORI
IPC分类号： C09K19/32 , C07C41/00 , C07C43/168 , C07C67/00 , C09K19/42
摘要： NEW MATERIAL:The 2-alkyl-6-(4-alkoxymethylphenyl)-1,2,3,4-tetrahydronaphthalene compound of formula I (R
1 and R
2 are 1W10C alkyl).
EXAMPLE: 2-Propyl-6-(4-methoxymethylphenyl)-1,2,3,4-tetrahydronaphthalene.
USE: Useful as a component of a liquid crystal composition. It forms a liquid crystal composition by mixing with a liquid crystal compound such as phenylcyclohexane-type liquid crystal, etc. A liquid crystal composition having low working voltage and excellent contrast can be prepared.
PREPARATION: The compound of formula I can be prepared by brominating the acylated 4-acylbiphenyl of formula II, condensing with dimethyl malonate, hydrolyzing and decarbonating the condensation product, esterifying with methanol- sulfuric acid after reduction, carrying out the acetylation and oxidization of the product, cyclizing the product, and carrying out several steps such as reduction, esterification, etc.
COPYRIGHT: (C)1985,JPO&Japio
摘要翻译：新物质：式I的2-烷基-6-（4-烷氧基甲基苯基）-1,2,3,4-四氢化萘化合物（R 1和R 2是1-10C烷基）。实施例：2-丙基-6-（4-甲氧基甲基苯基）-1,2,3,4-四氢化萘。用途：用作液晶组合物的组分。它通过与苯基环己烷型液晶等液晶化合物混合形成液晶组合物。可以制备具有低工作电压和优异对比度的液晶组合物。制备：式Ⅰ化合物可以通过溴化式Ⅱ的酰化4-酰基联苯，与丙二酸二甲酯缩合，水解和脱碳缩合产物，还原后用甲醇 - 硫酸酯化，进行乙酰化和氧化产品，使产品环化，并进行几个步骤，如还原，酯化等

3. 发明专利

JPH0576460B2 失效
公开(公告)号：JPH0576460B2
公开(公告)日：1993-10-22
申请号：JP3847284
申请日：1984-03-02
申请人： HITACHI LTD , KANTO KAGAKU
发明人： YOKOKURA HISAO , ERA SUSUMU , HATSUTORI SHINTARO , KITAMURA TERUO , KOBI AKIO , OOKAWA HISASHI , OOMORI HIDEKI , YOSHIDA MASAHIRO , SUZUKI KENJI , FUJII TSUNENORI
IPC分类号： C09K19/20 , C07C69/75 , C07C69/76 , C07C69/773 , C09K19/30 , G02F1/13

4. 发明专利

JPS60146841A LIQUID CRYSTAL COMPOUND AND LIQUID CRYSTAL DISPLAY DEVICE 失效
公开(公告)号：JPS60146841A
公开(公告)日：1985-08-02
申请号：JP24726983
申请日：1983-12-30
申请人： HITACHI LTD , KANTO KAGAKU
发明人： OKABE YOSHIAKI , KITAMURA TERUO , YOKOKURA HISAO , HATSUTORI SHINTAROU , KOUBI AKIO , FUJII TSUNENORI , YOSHIDA MASAHIRO , SUZUKI KENJI , OOMORI HIDEKI , OOKAWA HISASHI
IPC分类号： C09K19/20 , C07C41/00 , C07C43/205 , C07C67/00 , C09K19/30 , C09K19/42 , G02F1/13
摘要： NEW MATERIAL:A liquid crystal compound of formula I (R and R' are 1-9C alkyl; ring X is benzene ring or cyclohexane ring). USE:Useful as one compounding component in liquid crystal compositions, and capable of enlarging the operation temperature range of liquid crystal display elements and imparting high-speed response. PREPARATION:A compound of formula II is reduced with a reducing agent, e.g. NaBH4, in an organic solvent, e.g. ethanol or pyridine, to give a compound, which is then chlorinated with a chlorinating agent, e.g. SOCl2, in an inert solvent, e.g. benzene, in the presence of pyridine, etc. under heating to afford a compound of formula III, which is reacted with a compound of formula IV to afford the aimed compound of formula I . The compound of formula IV is synthesized by reacting a 1-alkyl-4-phenylcylohexane with acetic anhydride in the presence of anhydrous AlCl2 in an organic solvent, and hydrolyzing the resultant acetylated compound with an alkali.

5. 发明专利

JPS5885825A COLORLESS LIQUID CRYSTAL SUBSTANCE, LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY ELEMENT 失效
公开(公告)号：JPS5885825A
公开(公告)日：1983-05-23
申请号：JP18376381
申请日：1981-11-18
申请人： KANTO KAGAKU , HITACHI LTD
发明人： FUJII TSUNENORI , SUZUKI KENJI , YOSHIDA MASAHIRO , OOKAWA HISASHI , KOTOU KAORU , HIRAI YOUICHI , OKABE YOSHIAKI , YOKOKURA HISAO , HATSUTORI SHINTAROU , KITAMURA TERUO , KOUBI AKIO , SATOU MIKIO
IPC分类号： C07C69/75 , C07C2/00 , C07C13/28 , C07C43/168 , C07C69/76 , C09K19/30 , C09K19/46 , G02F1/13 , G09F9/00 , G09F9/35
摘要： NEW MATERIAL:A compound of formulaI(R and R' are

6. 发明专利

JPS59216850A Liquid crystal compound, liquid crystal composition and optical device 失效
标题翻译：液晶化合物，液晶组合物和光学器件
公开(公告)号：JPS59216850A
公开(公告)日：1984-12-06
申请号：JP8915583
申请日：1983-05-23
申请人： Hitachi Ltd , Kanto Kagaku Kk
发明人： HATSUTORI SHINTAROU , OKABE YOSHIAKI , KITAMURA TERUO , ABE HIDETOSHI , KOUBI AKIO , OOMORI HIDEKI , FUJII TSUNENORI , YOSHIDA MASAHIRO , OOKAWA HISASHI , SUZUKI KENJI
IPC分类号： C09K19/32 , C07C69/753 , C09K19/46
摘要： NEW MATERIAL:A liquid crystal compound consisting of a compound having a bicyclooctane ring and fluorine atom in the same molecule.
EXAMPLE: 5-Fluorophenyl-4'-pentylbicyclo(2,2,2)octanecarboxylate.
USE: An optical device. Useful as an optical device containing a liquid crystal compound and a liquid crystal composition showing a wide range of liquid crystal temperature and low viscosity, having low anisotropy of refractive index, as a liquid crystal layer. The optical device having high scanning duty.
PREPARATION: For example, 4-fluorophenol is reacted with 4-pentylbicyclo(2,2,2)octanecarboxylic acid chloride in a solvent such as benzene, etc. in the presence of pyridine, to give a liquid crystal compound.
COPYRIGHT: (C)1984,JPO&Japio
摘要翻译：新材料：在同一分子中由具有双环辛烷环和氟原子的化合物组成的液晶化合物。实施例：5氟苯基-4'- pentylbicyclo（2,2,2）octanecarboxylate。用途：光学装置。作为液晶化合物的液晶组合物和具有低折射率各向异性的液晶温度和低粘度的液晶组合物的液晶组合物作为液晶层是有用的。该光学装置具有高的扫描占空比。制备例如，在吡啶存在下，将4-氟苯酚与4-戊基双环（2,2,2）辛烷酰氯在溶剂如苯等中反应，得到液晶化合物。

7. 发明专利

JPS5936634A Liquid crystal compound 失效
标题翻译：液晶化合物
公开(公告)号：JPS5936634A
公开(公告)日：1984-02-28
申请号：JP14665982
申请日：1982-08-23
申请人： Hitachi Ltd , Kanto Kagaku Kk
发明人： HIRAI YOUICHI , FUJII TSUNENORI , KOTOU KAORU , SUZUKI KENJI , YOSHIDA MASAHIRO , OOKAWA HISASHI , OKABE YOSHIAKI , KITAMURA TERUO , YOKOKURA HISAO , HATSUTORI SHINTAROU , KOUBI AKIO , SATOU MIKIO
IPC分类号： C07C43/164 , C07C41/00 , C07C43/168 , C07C43/205 , C07C67/00 , C09K19/30 , G02F1/13 , G09F9/00
摘要： NEW MATERIAL:A compound expressed by formula I (R
1 and R
2 are alkyl; n is 0, 1 or 2).
EXAMPLE: The compound expressed by formula II.
USE: A component for liquid crystal compositions capable of extending the liquid crystal temperature, reducing the viscosity and improving the operating temperature range and response characteristics of liquid crystal display elements.
PROCESS: A solution of a compound expressed by formula III in ethanol is prepared, and a small amount of Na [BH
4 ] is added to the resultant solution under cooling with ice and stirring. Acetic acid is then added thereto to produce a compound expressed by formula IV, which is then reacted with SOCl
2 to give a compound expressed by formula V. Sodium is dissolved in propyl alcohol, and a solution of the compound expressed by formula V in dimethylformamide is added to the resultant solution and reacted under heating to obtain the compound expressed by formula I , e.g. the compound expressed by formula II.
COPYRIGHT: (C)1984,JPO&Japio
摘要翻译：新材料：由式I表示的化合物（R1和R2是烷基; n是0,1或2）。实施例：由式II表示的化合物。用途：能够延长液晶温度，降低粘度，提高液晶显示元件的工作温度范围和响应特性的液晶组合物成分。方法：制备由式III表示的化合物在乙醇中的溶液，并在冰冷却并搅拌下向所得溶液中加入少量Na [BH4]。然后向其中加入乙酸以产生由式IV表示的化合物，然后与SOCl 2反应，得到式V表示的化合物。将钠溶于丙醇中，将式V化合物在二甲基甲酰胺中的溶液为加入到所得溶液中并加热反应，得到由式I表示的化合物，例如由式II表示的化合物。

8. 发明专利

JPS58134051A LIQUID CRYSTAL COMPOUND, LIQUID CRYSTAL COMPOSITION, AND DISPLAY ELEMENT OF LIQUID CRYSTAL 失效
公开(公告)号：JPS58134051A
公开(公告)日：1983-08-10
申请号：JP1487482
申请日：1982-02-03
申请人： KANTO KAGAKU , HITACHI LTD
发明人： FUJII TSUNENORI , SUZUKI KENJI , YOSHIDA MASAHIRO , OOKAWA HISASHI , KOTOU KAORU , HIRAI YOUICHI , OKABE YOSHIAKI , YOKOKURA HISAO , HATSUTORI SHINTAROU , KITAMURA TERUO , KOUBI AKIO , SATOU MIKIO
IPC分类号： C09K19/32 , C07C69/753 , C09K19/46 , G02F1/13 , G09F9/00 , G09F9/35
摘要： NEW MATERIAL:A compound shown by the formulaI(R and R are alkyl; n is integer of 1-6). EXAMPLE:4-(alpha-Propoxymethyl)phenyl-4'-pentylbicyclo(2,2,2) oetanecarboxylate. USE:A low-viscosity and colorless liquid crystal substance useful for preparing a display element of liquid crystal capable of being operated in a wide temperature range and having improved response properties, having a wide phase transition temperature. PROCESS:A compound shown by the formula R CH2COCH3 is condensed with cyanoethylene to give a compound shown by the formula II. The CN of the compound is hydrolyzed into COOH with an alkali, and the resulting compound is heated in acetic anhydride to give a compound shown by the formula III. This compound is heated in the presence of an alkali, to give a compound shown by the formula IV. This compond is reduced with hydrazine, treated with phosphorus oxybromide, treated with formic acid in an acidic medium, and treated with thionyl chloride successively, to give a compound shown by the formula V. This compound is further esterified with a compound shown by the formula VI, to give a compound shown by the formulaI.

9. 发明专利

JPS5885842A COLORLESS LIQUID CRYSTAL SUBSTANCE 失效
公开(公告)号：JPS5885842A
公开(公告)日：1983-05-23
申请号：JP18376481
申请日：1981-11-18
申请人： KANTO KAGAKU , HITACHI LTD
发明人： FUJII TSUNENORI , SUZUKI KENJI , YOSHIDA MASAHIRO , OOKAWA HISASHI , KOTOU KAORU , HIRAI YOUICHI , OKABE YOSHIAKI , YOKOKURA HISAO , HATSUTORI SHINTAROU , KITAMURA TERUO , KOUBI AKIO , SATOU MIKIO
IPC分类号： C07C69/753 , C07C69/773 , C09K19/20 , C09K19/30 , C09K19/46 , G02F1/13 , G09F9/00
摘要： NEW MATERIAL:A compound of formulaI(R and R' are

10. 发明专利

JPS57140737A COLORLESS LIQUID CRYSTAL SUBSTANCE, COLORLESS LIQUID CRYSTAL COMPOSITION, AND DISPLAY ELEMENT OF LIQUID CRYSTAL 失效
公开(公告)号：JPS57140737A
公开(公告)日：1982-08-31
申请号：JP2550281
申请日：1981-02-25
申请人： KANTO KAGAKU , HITACHI LTD
发明人： HIRAI YOUICHI , FUJII TSUNENORI , KOTOU KAORU , SUZUKI KENJI , YOSHIDA MASAHIRO , OOKAWA HISASHI , KITAMURA TERUO , YOKOKURA HISAO , OKABE YOSHIAKI , HATSUTORI SHINTAROU , KOUBI AKIO , SATOU MIKIO
IPC分类号： C07C43/14 , C07C41/00 , C07C43/164 , C07C43/168 , C07C43/20 , C07C67/00 , C07C255/54 , C07D239/26 , C09K19/12 , C09K19/30 , C09K19/34 , C09K19/44 , G02F1/13 , G09F9/00 , G09F9/35
摘要： NEW MATERIAL:A colorless liquid crystal substance represented by the compound shown by the formula R1-A-B-R2[R1 is -(CH2O)nCmH2m+1(n is 1-4; m is 1-8) or -(CH2)OCmH2m+1, etc.; R2 is alkyl, alkoxyalkoxy-carbonyl, etc.; A and B are groups shown by the formulasI, II, III, etc.]or shown by the formula R1-A-X-B-R2 (X is -COO-, -OCO-, -CH=CH-, etc.), having a 6-membered ring having one or more carbon atoms wherein one carbon atom is linked through a methylene group to a noncyclic terminal alkoxy group. USE:A display element of liquid crystal. Having a wide range of liquid crystal temperature, colorless. PROCESS:For example, a compound shown by the formula IV is reacted with lithium aluminum hydride, and with diluted hydrochloric acid, to give a compound shown by the formula V. This compound is reacted with thionyl chloride, and with n-propyl sodium alcolate, to give a compound shown by the formula VI.

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式