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1. 发明授权

EP0435632B1 Phenylpyrimidine derivatives, process for preparing the same, liquid crystal compositions containing said derivatives as active ingredient, and liquid crystal elements using such compositions 失效
标题翻译：苯基嘧啶衍生物，用于制备它们，含有液晶组合物，作为活性材料，和它们所用的液晶元件
公开(公告)号：EP0435632B1
公开(公告)日：2001-11-28
申请号：EP90314192.7
申请日：1990-12-21
申请人： SUMITOMO CHEMICAL COMPANY LIMITED
发明人： Higashii, Takayuki , Minai, Masayoshi , Kurimoto, Isao , Toda, Shoji , Tani, Takeshi , Sekine, Chizu , Fujisawa, Koichi
IPC分类号： C07D239/26 , C09K19/34
CPC分类号： C07D239/26 , C07D239/34 , C09K19/3463

2. 发明授权

EP0636673B1 Liquid crystal mixture and liquid crystal element comprising the same 失效
标题翻译：液晶和含有该液晶元件
公开(公告)号：EP0636673B1
公开(公告)日：1997-11-26
申请号：EP94111953.9
申请日：1994-08-01
申请人： SUMITOMO CHEMICAL COMPANY LIMITED
发明人： Sekine, Chizu , Tani, Takeshi , Ueda, Kayoko , Fujisawa, Koichi , Higashii, Takayuki , Fujimoto, Yukari , Toda, Shoji , Minai, Masayoshi
IPC分类号： C09K19/34 , C09K19/46
CPC分类号： C09K19/3463 , C09K19/3458 , C09K19/46

3. 发明公开

EP0636673A3 Liquid crystal mixture and liquid crystal element comprising the same 失效
标题翻译：液晶混合液和液晶元件，包括它们。
公开(公告)号：EP0636673A3
公开(公告)日：1995-02-15
申请号：EP94111953.9
申请日：1994-08-01
申请人： SUMITOMO CHEMICAL COMPANY LIMITED
发明人： Sekine, Chizu , Tani, Takeshi , Ueda, Kayoko , Fujisawa, Koichi , Higashii, Takayuki , Fujimoto, Yukari , Toda, Shoji , Minai, Masayoshi
IPC分类号： C09K19/34 , C09K19/46
CPC分类号： C09K19/3463 , C09K19/3458 , C09K19/46
摘要： A ferroelectric chiral smectic liquid crystal mixture comprising a compound of the formula (I):
and at least one compound selected from the group consisting of a compound of the formula (II): and a compound of the formula (III):

4. 发明公开

EP0633263A2 Process for producing thiophene derivative 失效
公开(公告)号：EP0633263A2
公开(公告)日：1995-01-11
申请号：EP94109316.3
申请日：1994-06-16
申请人： SUMITOMO CHEMICAL COMPANY, LIMITED
发明人： Mizuno, Masahiko , Kurimoto, Isao , Hirata, Norihiko , Takahashi, Toshiya , Minai, Masayoshi , Yamamoto, Takahiro , Mizuno, Tadashi , Miyamoto, Yasunobu
IPC分类号： C07D495/04 , A61K31/415
CPC分类号： C07D495/04
摘要： A process for producing a thiophene derivative expressed by the general formula (2):

wherein R 1 and R 2 represent independently hydrogen, an alkyl group, a phenyl group which may be substituted, an acyl group, an alkenylmethyl group, or a benzyl group which may be substituted, Y represents an oxygen atom or a sulfur atom, and Z represents an alkyl group having a carboxyl group or an alkoxy group at terminal, which is made up the step of catalytically reducing a compound having the general formula (1):

wherein R 1 , R 2 , Y, and Z are as defined above, with hydrogen in a solvent mixture of at least one of alcohols and water in the presence of a palladium catalyst soluble in organic solvents.

5. 发明授权

EP0395390B1 Optically active biphenyl derivative, process for preparation thereof, liquid crystal composition containing the same as effective component, and liquid crystal element using the same 失效
标题翻译：光学活性联苯衍生物，其制备方法，含有作为活性成分的液晶组成物以及含有它们的液晶元件。
公开(公告)号：EP0395390B1
公开(公告)日：1994-09-28
申请号：EP90304475.8
申请日：1990-04-25
申请人： SUMITOMO CHEMICAL COMPANY LIMITED
发明人： Kurimoto, Tsao , Higashii, Takayuki , Toda, Shoji , Minai, Masayoshi , Sekine, Chizu , Tani, Takeshi
IPC分类号： C09K19/12 , C07C43/205 , C07C43/164 , C07C69/24 , C07C63/06 , C07C63/10
CPC分类号： C07D239/26 , C07C43/1782 , C07C43/1785 , C07C43/2055 , C07C43/23 , C07C45/59 , C07C45/673 , C07C45/676 , C07C45/71 , C07C49/215 , C07C49/82 , C07C49/83 , C07C49/84 , C07C65/105 , C07C65/24 , C07C65/40 , C07C69/007 , C07C69/017 , C07C69/734 , C07C69/76 , C07D239/34 , C09K19/126

6. 发明公开

EP0441371A1 Process for preparing haloketo acid derivatives 失效
标题翻译：制备卤代酮酸衍生物的方法
公开(公告)号：EP0441371A1
公开(公告)日：1991-08-14
申请号：EP91101678.0
申请日：1991-02-07
申请人： SUMITOMO CHEMICAL COMPANY, LIMITED
发明人： Ikeda, Takaharu , Kai, Seiichi , Minai, Masayoshi
IPC分类号： C07C67/343 , C07C67/313 , C07C69/716 , C07C251/38
CPC分类号： C07C69/716 , C07C67/313 , C07C67/343 , C07C251/38
摘要： Process for preparing haloketo acid derivatives [I]:

wherein R is H or C₁₋₆ alkyl, and X is a chlorine or bromine, which comprises reacting β-oxo-acid ester [II]:

wherein R¹ is C₁₋₆ alkyl, R² is C₁₋₅ alkyl or OR³ (R³ is C₁₋₆ alkyl), and X is the same as above, with nitrosating agent [IV]:

ONOR⁴ [IV]

wherein R⁴ is H, alkyl, halogen or SO₃H to give 7-halo-2-hydroxyiminoheptanoic acid ester [III]:

wherein R¹ and X are the same as above, followed by reacting the product with aldehyde or ketone; and intermediates therefor, and process for preparing said intermediates. Said haloketo acid derivatives are useful as intermediate for synthesis of cilastatin, which is useful as medicament, especially as dehydropeptidase inhibitor.
摘要翻译：制备卤代酮酸衍生物[Ⅰ]的方法：其中R是H或C 1-6烷基，X是氯或溴，该方法包括使β-氧代酸酯[Ⅱ]：其中R 1是C 1-6烷基，R 2 其中R 4是H，烷基，卤素或SO 3 H，其中R 4是C 1-5烷基或OR 3（R 3是C 1-6烷基），X与上述相同，与亚硝基化试剂〔Ⅳ〕反应，得到7-卤代 -2-羟基亚氨基庚酸酯[Ⅲ]：其中R 1和X与上述相同，接着使产物与醛或酮反应; 及其中间体，以及制备所述中间体的方法。所述卤代酮酸衍生物可用作合成西司他丁的中间体，其可用作药物，特别是作为脱氢肽酶抑制剂。

7. 发明公开

EP0434297A2 Optically active aromatic compounds, preparation process thereof, and liquid crystal compositions and elements 失效
标题翻译：光学活性芳族化合物，它们的制备方法和液晶组合物和元件。
公开(公告)号：EP0434297A2
公开(公告)日：1991-06-26
申请号：EP90313537.4
申请日：1990-12-12
申请人： SUMITOMO CHEMICAL COMPANY, LIMITED
发明人： Kurimoto, Isao , Higashii, Takayuki , Toda, Shoji , Minai, Masayoshi , Sekine, Chizu , Tani, Takeshi , Fujisawa, Koichi
IPC分类号： C07D239/26 , C09K19/20 , C09K19/34 , C07C43/178 , C07C69/28
CPC分类号： C07C43/225 , C07C43/1786 , C07C43/23 , C07C69/017 , C07C69/76 , C07C69/92 , C09K19/2021 , C09K19/3463
摘要： Disclosed in the present invention are the optically active aromatic compounds having a trifluoromethyl group useful as a component of ferroelectric liquid crystal compositions, a process for preparing the above compounds, liquid crystal compositions having the above compounds as an active ingredient, and liquid crystal elements using the above compositions. The optically active aromatic compounds of the present invention represented by the formula:
have the very excellent properties as a liquid crystal material and are useful for the preparation of liquid crystal compositions and the liquid crystal elements using such compositions.
摘要翻译：在本发明公开的是具有作为铁电液晶组合物的液晶元件的组分，制备上述化合物，具有上述化合物作为活性成分的液晶组合物的方法，和有用的三氟甲基基团使用光学活性的芳族化合物上述组合物。由式表示的本发明的光学活性的芳族化合物：具有非常优异的特性的液晶材料和可用于液晶组合物的制备和使用的组合物搜索液晶元件是有用的。

8. 发明公开

EP0416946A2 Optically active naphthalene derivative, process for preparation thereof, liquid crystal composition containing the same as effective component, and liquid crystal element using the same 失效
标题翻译：光学活性的萘衍生物，其制备方法，涉及萘衍生物作为含有液晶组合物和使用该组合物的液晶显示器的活性成分。
公开(公告)号：EP0416946A2
公开(公告)日：1991-03-13
申请号：EP90309841.6
申请日：1990-09-07
申请人： SUMITOMO CHEMICAL COMPANY, LIMITED
发明人： Toda, Shoji , Higashii, Takayuki , Kurimoto, Isao , Minai, Masayoshi , Sekine, Chizu , Tani, Takeshi , Fujisawa, Koichi
IPC分类号： C07C69/616 , C09K19/32 , C07C43/164 , C07C39/14 , C07C33/28 , C07C49/788 , G02F1/13
CPC分类号： C09K19/322 , C07C33/18 , C07C43/1782 , C07C43/2055 , C07C43/23 , C07C45/59 , C07C45/673 , C07C45/71 , C07C65/24 , C07C69/017 , C07C69/76 , C07C69/92 , C07C49/215 , C07C49/84
摘要： Disclosed herein are a novel optically active naphthalene derivative, a process of the preparation thereof a ferroelectric liquid crystal composition containing the same and a liquid crystal element using the composition.
The above optically active naphthalene derivatives including optically active naphthylcarboxylic acid derivative, hydroxynaphthalene derivative, alkoxynaphthylalkanol derivative and alkylnaphthylalkanol derivative have the following structural formula:
wherein R' denotes an alkyl group of 3-20 carbon atoms, R 2 denotes an alkyl group of 1-20 carbon atoms optionally substituted with halogen atom(s) or an alkoxyalkyl group of 2-20 carbon atoms optionally substituted with halogen atom(s), X denotes -COO- or -OCO-, k, t and m denotes 0 or 1 respectively, n denotes an integer of 0-6, p denotes 0 or 1, and an asterisk indicates an asymmetric carbon atom, proviso when k is 0, t and m are not 1 at the same time, when k is 1, m is 1, and when n is 0 and m is 1, X is -COO-.
These optically active naphthalene derivatives are useful as a ferroelectric liquid crystal material or its component having a sufficient spontaneous polarization and by which a high speed response is possible and which further exhibits a ferroelectric liquid crystal phase in a temperature region around room temperature.
摘要翻译：公开是一种新颖的光学活性的萘衍生物，其制备铁电液晶组合物含有相同和使用该组合物的液晶元件的方法。上述光学活性的萘衍生物，包括旋光活性naphthylcarboxylic酸衍生物，羟基衍生物，alkoxynaphthylalkanol衍生物和衍生物alkylnaphthylalkanol具有以下结构式： worin - [R <1>表示在烷基3-20个碳原子的，R <2> 表示在烷基有卤原子（一个或多个），或在用卤素原子（一个或多个）中，X表示-COO-或-OCO-，K，L任选被取代的2-20个碳原子的烷氧基烷基任选被取代的1-20个碳原子的并且m分别表示0或1，n表示至0-6整数，p表示0或1，以及星号表示不对称碳原子，前提条件当k为0，l和m不为1的同时，当 k是1，m是1，当n是0且m是1，X是-COO-。这些光学活性的萘衍生物是作为铁电液晶材料或具有自发极化的充其成分和通过该高速响应是可能的，并且其进一步展品在室温附近的温度区域中的铁电液晶相是有用的。

9. 发明公开

EP0357372A2 Optically active ester derivatives, preparation process thereof, liquid crystal materials and a light switching element 失效
标题翻译：光学活性的酯衍生物，它们的制备方法，液晶材料，以及光开关元件。
公开(公告)号：EP0357372A2
公开(公告)日：1990-03-07
申请号：EP89308721.3
申请日：1989-08-29
申请人： SUMITOMO CHEMICAL COMPANY, LIMITED
发明人： Higashii, Takayuki , Kurimoto, Isao , Toda, Shoji , Minai, Masayoshi , Tani, Takeshi , Kawakami, Chizu , Fujisawa, Koichi , Imamura, Kiyoshi
IPC分类号： C07C69/76 , C09K19/20 , C07C69/63 , C07C69/708 , C07C69/22 , C07C49/84 , G02F1/13
CPC分类号： C07C43/1782 , C07C43/1785 , C07C43/1786 , C07C49/84 , C07C65/21 , C09K19/2021
摘要： Disclosed are herein optically active ester derivatives represented by the formula (I):
(wherein R 1 represents an alkyl group having 3 to 20 carbon atoms; R 2 represents an optically active alkyl or alkoxyalkyl group having 3 to 15 carbon atoms optionally substituted by halogen atoms; Y represents -O-, -COO- or -OCO-; X represents -COO- or -OCO-; represents a number of 1 or 2; k and m each represents a number of 0 or 1; n represents a numberof 1 to 6), preparation processes therefor, liquid crystal materials containing such easter derivatives as active ingredient, and a light switching element using said liquid crystal materials as liquid crystal element.
摘要翻译：本发明公开了由式（I）表示的光学活性的酯衍生物：（worin具有3至20个碳原子的烷基的R1 darstellt;光学活性的烷基或具有3至15个碳原子的烷氧基烷基的R2 darstellt任选被substituiertem 卤素原子; Y darstellt -O - ， - COO-或-OCO-，X表示-COO-或-OCO- darstellt;升darstellt多项1或2; k和m各自darstellt若干0或1; n darstellt 了相当数量的1至6），制备过程为此，将含有检测复活节衍生物作为活性成分，并使用所述的液晶材料作为液晶元件的光开关元件的液晶材料。

10. 发明公开

EP0284371A3 Novel optically active benzene derivatives, process for producing the same and liquid-crystalline substances containing said derivatives as active ingredient and optical switching elements 失效
标题翻译：新型光学活性苯并噻吩衍生物，其生产方法和含有所述衍生物的液晶物质作为主动成分和光学切换元件
公开(公告)号：EP0284371A3
公开(公告)日：1989-10-04
申请号：EP88302567.8
申请日：1988-03-23
申请人： SUMITOMO CHEMICAL COMPANY, LIMITED
发明人： Higashii, Takayuki , Minai, Masayoshi
IPC分类号： C09K19/20 , C07C69/92 , C07C69/773
CPC分类号： C12P7/62 , C09K19/126 , C09K19/20 , C09K19/2021 , C12P7/22 , C12P41/00
摘要： Disclosed are novel active benzene derivatives represented by the general formula (I):
(wherein X represents -COO-, -OCO-, -CH₂O- or -OCH₂-; A represents a hydrogen atom, a halogen atom or an alkyl or alkoxyl group having 1 to 20 carbon atoms; R represents an alkyl group having 1 to 20 carbon atoms; ℓ and m each represents a number of 1 or 2, n represents a number of 0 or 1, but when n is 0 the sum of ℓ and m is 3 or less; and * indicates asymmetric carbon atom), a process for producing the same, liquid-crystalline substances containing said derivatives as active ingredient, and optical switching elements utilizing the liquid crystal compositions containing said liquid-crystalline substances.

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