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公开(公告)号：US4812585A
公开(公告)日：1989-03-14
申请号：US108467
申请日：1987-10-15
申请人： Michitada Kondo , Masayoshi Minai , Seiichi Kai , Takayuki Higashii , Yuji Ueda
发明人： Michitada Kondo , Masayoshi Minai , Seiichi Kai , Takayuki Higashii , Yuji Ueda
IPC分类号： C07D307/46 , C07D307/54
CPC分类号： C07D307/46 , C07D307/54
摘要： 2-Acylfuran derivatives ##STR1## (R: alkyl, phenyl, etc.; R.sub.1 : H, alkyl) are prepared in high yield by reaction, in the presence of a boron trifluoride complex catalyst, of a furan compound ##STR2## (X: H, Cl, Br; Y: Cl, Br) or with RCOOH in the presence of (XYCHCO).sub.2 O.
摘要翻译： 2-呋喃基衍生物通过在三氟化硼配合物催化剂的存在下，通过在呋喃化合物（X）（X）中的反应制备高收率的（R：烷基，苯基等; R 1：H，烷基） ：H，Cl，Br; Y：Cl，Br）或与RCOOH在（XYCHCO）2 O存在下反应。
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公开(公告)号：US5235068A
公开(公告)日：1993-08-10
申请号：US915747
申请日：1992-07-21
申请人： Masayoshi Minai , Michitada Kondo , Yuji Ueda , Seiichi Kai , Takayuki Higashii
发明人： Masayoshi Minai , Michitada Kondo , Yuji Ueda , Seiichi Kai , Takayuki Higashii
IPC分类号： C07C45/46 , C07D207/32 , C07D207/333 , C07D307/46 , C07D307/54 , C07D307/80 , C07D333/22 , C07D333/24 , C07D333/28 , C07D333/56 , C07D409/06
CPC分类号： C07D207/333 , C07C45/46 , C07D307/46 , C07D307/54 , C07D307/80 , C07D333/22 , C07D333/24 , C07D333/28 , C07D333/56 , C07D409/06
摘要： Acylaromatic compounds ##STR1## (Q: aromatic compound residue; R: straight, branched or cyclic aliphatic group, aromatic group or araliphatic group) are prepared in high yield by a reaction, in the presence of a boron trifluoride complex catalyst, of an aromatic compound with ##STR2## (X: H, Cl, Br; Y: Cl, Br) or with RCOOH in the presence of (XYCHCO).sub.2 O.
摘要翻译： 酰化芳族化合物通过在三氟化硼配合物催化剂存在下，通过芳族化合物的芳香族化合物（Q：芳族化合物残基; R：直链，支链或环状脂族基团，芳族基团或芳脂族基团） 在（XYCHCO）2 O存在下与
（X：H，Cl，Br; Y：Cl，Br）或与RCOOH化合。 -
公开(公告)号：US4957867A
公开(公告)日：1990-09-18
申请号：US055362
申请日：1987-05-29
申请人： Masayoshi Minai , Yuji Ueda , Takayuki Higashii , Michitada; Kondo , Seiichi Kai
发明人： Masayoshi Minai , Yuji Ueda , Takayuki Higashii , Michitada; Kondo , Seiichi Kai
摘要： A process for preparing an optically active cyclopentenone of the formula: ##STR1## wherein R is a hydrogen atom or a lower alkyl group and n is an integer of 4 to 8, which comprises contacting a dl-cyclopentenone ester of the formula: ##STR2## wherein R and n are each as defined above and R' is a lower alkyl group optionally substituted with halogen on an enzyme having a capability of hydrolyzing selectively either one of the d- or l-form isomer in the dl-cyclopentenone ester (II) in an aqueous medium for asymmetric hydrolysis.
摘要翻译： 一种制备下式的光学活性环戊烯酮的方法：其中R是氢原子或低级烷基，n是4至8的整数，其包括使下式的dl-环戊烯酮与式 （II）其中R和n各自如上所定义，R'是任选被卤素取代的低级烷基，该酶具有选择性地水解d-或l-型异构体中的任一种的能力 dl-环戊烯酮酯（II）在不溶性水解的水性介质中。
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4.发明授权
公开(公告)号：US5385693A
公开(公告)日：1995-01-31
申请号：US61688
申请日：1993-05-17
申请人： Takayuki Higashii , Isao Kurimoto , Shoji Toda , Masayoshi Minai , Takeshi Tani , Chizu Kawakami , Koichi Fujisawa , Kiyoshi Imamura
发明人： Takayuki Higashii , Isao Kurimoto , Shoji Toda , Masayoshi Minai , Takeshi Tani , Chizu Kawakami , Koichi Fujisawa , Kiyoshi Imamura
CPC分类号： C07C43/1782 , C07C43/1785 , C07C43/1786 , C07C49/84 , C07C65/21 , C09K19/2021
摘要： Disclosed herein are optically active carboxylic acid or acid halide compounds of formula III: ##STR1## Wherein R.sub.2 represents an optically active alkyl or alkoxyalkyl group having 3 to 15 carbon atoms optionally substituted by halogen atoms; R' represents a hydroxyl group or a halogen atom; k is 0 or 1; and n represents an integer of 1 to 6.
摘要翻译： （III）其中R2表示任选被卤素原子取代的具有3至15个碳原子的光学活性烷基或烷氧基烷基; R'表示羟基或卤素原子; k为0或1; n表示1〜6的整数。
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5.发明授权Optically active benzene derivatives, process for producing the same and liquid-crystalline substances containing said derivatives as active ingredient and optical switching elements 失效光学活性苯衍生物，制备相同的方法和含有所述衍生物作为活性成分的液晶物质和光学开关元件
公开(公告)号：US5338484A
公开(公告)日：1994-08-16
申请号：US136827
申请日：1993-10-18
申请人： Takayuki Higashii , Masayoshi Minai
发明人： Takayuki Higashii , Masayoshi Minai
IPC分类号： C07C69/773 , C09K19/12 , C09K19/20 , C12P7/22 , C12P7/62 , C12P41/00 , C07C43/02 , C07C69/76
CPC分类号： C12P7/62 , C09K19/126 , C09K19/20 , C09K19/2021 , C12P41/00 , C12P7/22
摘要： Disclosed are novel active benzene derivatives represented by the general formula (I): ##STR1## (wherein X represents --COO--, --OCO--, --CH.sub.2 O-- or --OCH.sub.2 --; 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.
摘要翻译： 公开了由通式（I）表示的新型活性苯衍生物：其中X表示-COO-，-OCO-，-CH2O-或-OCH2-; A表示氢原子，卤素原子 或具有1〜20个碳原子的烷基或烷氧基：R表示碳原子数1〜20的烷基; l和m各自表示1或2的数，n表示0或1的数，但n为 0和m的和为3以下; *表示不对称碳原子），其制造方法，含有所述衍生物作为有效成分的液晶物质，以及利用含有所述液体的液晶组合物的光学开关元件 结晶物质。
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6.发明授权
公开(公告)号：US5002693A
公开(公告)日：1991-03-26
申请号：US170409
申请日：1988-03-18
申请人： Takayuki Higashii , Masayoshi Minai
发明人： Takayuki Higashii , Masayoshi Minai
CPC分类号： C12P7/62 , C09K19/126 , C09K19/20 , C09K19/2021 , C12P41/00 , C12P7/22
摘要： Disclosed are novel active benzene derivatives represented by the general formula (I): ##STR1## (wherein X represents --COO--, --OCO--, --CH.sub.2 O-- or --OCH.sub.2 --; 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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公开(公告)号：US06191289B1
公开(公告)日：2001-02-20
申请号：US09176198
申请日：1998-10-21
IPC分类号： C07D25704
CPC分类号： C07D257/04 , C07C251/86 , C07C257/18 , C07C257/22 , C07D405/04
摘要： There are disclosed an industrially favorable process for producing a tetrazole compound of general formula (1): characterized in that a nitrile of general formula (2): R1CN (2) is reacted with hydrazine or a salt thereof in the presence of a catalyst, followed by reaction with a nitrous acid compound of general formula (3): ANO2 (3) or a nitrile of general formula (2) is reacted with hydrogen sulfide, followed by reaction with an alkyl halide of general formula (4): R4J (4) with hydrazine or a salt thereof, and then with a nitrous acid compound of general formula (3); and an intermediate of general formula (5): R1C(═R5)R6 (5) which is useful for the production of the tetrazole compound (in which R1 to R6, A and J in the above formulas are as defined in the specification).
摘要翻译： 公开了用于制备通式（1）的四唑化合物的工业上有利的方法：其特征在于通式（2）的腈与肼或其盐在催化剂存在下反应，然后与 将通式（3）的亚硝酸化合物或通式（2）的腈与硫化氢反应，然后与通式（4）的烷基卤反应：与肼或其盐反应，然后与 通式（3）的亚硝酸化合物; 和通式（5）的中间体：其可用于制备四唑化合物（其中上述式中的R 1至R 6，A和J如说明书中所定义）。
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8.发明授权
公开(公告)号：US5658489A
公开(公告)日：1997-08-19
申请号：US322332
申请日：1994-10-13
IPC分类号： C07C15/48 , C07C15/54 , C07C33/30 , C07C33/48 , C07C43/166 , C07C43/176 , C07C43/215 , C07C43/225 , C07C255/50 , C07D213/64 , C07D239/26 , C07D239/34 , C09K19/18 , C09K19/34 , C09K19/52 , C07C25/13 , C07D211/72 , C07D239/00
CPC分类号： C07D213/64 , C07C15/48 , C07C15/54 , C07C255/50 , C07C33/30 , C07C33/483 , C07C43/166 , C07C43/176 , C07C43/215 , C07C43/225 , C07D239/26 , C07D239/34 , C09K19/18 , C09K19/3444 , C09K19/3461 , C09K19/3469
摘要： A diphenylacetylene compound of the formula [1]: ##STR1## wherein R is a C.sub.1 -C.sub.12 alkyl group, a C.sub.2 -C.sub.12 alkenyl group or a C.sub.2 -C.sub.16 alkoxyalkyl group; X.sup.1, X.sup.2, X.sup.3, X.sup.4, Y.sup.1, Y.sup.2, Y.sup.3 and Y.sup.4 are independently from each other a --CH-- group, a --CF-- group or a nitrogen atom;A is a hydrogen atom, a fluorine atom, a trifluoromethyl group, a trifluoromethoxy group, a cyano group, a 4-R.sup.1 -(cycloalkyl) group, 4-R.sup.1 -(cycloalkenyl) group or a R.sup.1 --(O).sub.m group in which R.sup.1 is a C.sub.1 -C.sub.12 alkyl group, a C.sub.2 -C.sub.12 alkenyl group or a C.sub.2 -C.sub.12 alkynyl group; and m is 0 or 1, which has an excellent anisotropy of refractive index and a low viscosity and is useful as a component of a liquid crystal composition.
摘要翻译： 式[1]的二苯基乙炔化合物：C2-C12烯基或C2-C16烷氧基烷基; X 1，X 2，X 3，X 4，Y 1，Y 2，Y 3和Y 4彼此独立地为-CH-基，-CF-基或氮原子; A是氢原子，氟原子，三氟甲基，三氟甲氧基，氰基，4-R1-（环烷基）基，4-R1-（环烯基）或R1-（O） 其中R1为C1-C12烷基，C2-C12烯基或C2-C12炔基; m为0或1，具有优异的折射率各向异性和低粘度，可用作液晶组合物的组分。
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9.发明授权
公开(公告)号：US5422038A
公开(公告)日：1995-06-06
申请号：US166155
申请日：1993-12-14
申请人： Shoji Toda , Takayuki Higashii , Isao Kurimoto , Masayoshi Minai , Chizu Sekine , Takeshi Tani , Koichi Fujisawa
发明人： Shoji Toda , Takayuki Higashii , Isao Kurimoto , Masayoshi Minai , Chizu Sekine , Takeshi Tani , Koichi Fujisawa
IPC分类号： G02F1/13 , C07C33/18 , C07C33/20 , C07C41/16 , C07C43/164 , C07C43/178 , C07C43/20 , C07C43/205 , C07C43/23 , C07C45/59 , C07C45/67 , C07C45/71 , C07C65/24 , C07C67/08 , C07C67/10 , C07C67/14 , C07C69/007 , C07C69/017 , C07C69/76 , C07C69/773 , C07C69/92 , C09K19/32 , C07C39/14 , C09K19/52
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
摘要： Optically active naphthalene derivatives including optically active naphthylcarboxylic acid derivative, hydroxynaphthalene derivative, alkoxynaphthylalkanol derivative and alkylnaphthylalkanol derivative have the following structural formula: ##STR1## wherein R.sup.1 denotes an alkyl group of 3-20 carbon atoms, R.sup.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, l and m denotes 0 or 1 respectively, n denotes an integer of 0-6, p denotes 0 or 1, and the asterisk indicates an asymmetric carbon atom, with the proviso that when k is 0, l and m are not 1 at the same time, and 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 materials 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. Processes for the preparation of the optically active derivatives are also disclosed.
摘要翻译： 包括光学活性萘基羧酸衍生物，羟基萘衍生物，烷氧基萘基烷醇衍生物和烷基萘基烷醇衍生物的光学活性萘衍生物具有以下结构式：其中R 1表示3-20个碳原子的烷基，R 2表示1-20的烷基 任选被卤素原子取代的碳原子或任选被卤素原子取代的2-20个碳原子的烷氧基烷基，X表示-COO-或-OCO-，k，l，m分别表示0或1， n表示0-6的整数，p表示0或1，并且星号表示不对称碳原子，条件是当k为0时，l和m不同时为1，当k为1时， m为1，当n为0且m为1时，X为-COO-。 这些光学活性萘衍生物可用作具有足够自发极化的铁电液晶材料或其组分，并且可以进行高速响应，并且在室温附近的温度区域中还表现出铁电液晶相。 还公开了制备光学活性衍生物的方法。
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公开(公告)号：US06277998B1
公开(公告)日：2001-08-21
申请号：US09662591
申请日：2000-09-14
IPC分类号： C07D40504
CPC分类号： C07D257/04 , C07C251/86 , C07C257/18 , C07C257/22 , C07D405/04
摘要： There are disclosed an industrially favorable process for producing a tetrazole compound of general formula (1): characterized in that a nitrile of general formula (2): R1CN (2) is reacted with hydrazine or a salt thereof in the presence of a catalyst, followed by reaction with a nitrous acid compound of general formula (3): ANO2 (3) or a nitrile of general formula (2) is reacted with hydrogen sulfide, followed by reaction with an alkyl halide of general formula (4): R4J (4) with hydrazine or a salt thereof, and then with a nitrous acid compound of general formula (3); and an intermediate of general formula (5): R1C(═R5)R6 (5) which is useful for the production of the tetrazole compound (in which R1 to R6, A and J in the above formulas are as defined in the specification).
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