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1. 发明授权

US5659051A Process of producing 2-cyano-4-oxo-4H-benzopyran compounds 失效
标题翻译：制备2-氰基-4-氧代-4H-苯并吡喃化合物的方法
公开(公告)号：US5659051A
公开(公告)日：1997-08-19
申请号：US273119
申请日：1994-07-11
申请人： Takayuki Higashii , Hideki Ushio , Yukari Fujimoto , Tsutomu Matsumoto , Masayoshi Minai , Katsuichi Yasunaga , Hiroshi Sogabe , Takahiro Kotera
发明人： Takayuki Higashii , Hideki Ushio , Yukari Fujimoto , Tsutomu Matsumoto , Masayoshi Minai , Katsuichi Yasunaga , Hiroshi Sogabe , Takahiro Kotera
IPC分类号： C07D311/24
CPC分类号： C07D311/24
摘要： There is disclosed a process of producing a 2-cyano-4-oxo-4H-benzopyran compound of the general formula (2): ##STR1## wherein R.sup.1 and R.sup.2 are independently hydrogen, halogen, hydroxy, C.sub.1 -C.sub.5 alkyl, C.sub.1 -C.sub.5 alkoxy, nitro or a group of the RCONH wherein R is C.sub.1 -C.sub.20 alkyl, phenyl, phenyl-substituted (C.sub.1 -C.sub.20) alkyl, phenyl (C.sub.1 -C.sub.20)alkoxyphenyl or (C.sub.1 -C.sub.20) alkoxyphenyl. This production process is characterized in that a carboxamide of the general formula (1): ##STR2## wherein R.sup.1 and R.sup.2 are each as defined above, is reacted with a dehydrating agent in the presence of a pyridine compound of the general formula (4): ##STR3## wherein A.sup.1 and A.sup.2 are independently hydrogen or C.sub.1 -C.sub.5 alkyl. If the final product cannot be obtained as crystals having good filtration properties by ordinary treatments, a novel technique as disclosed herein can provide such crystals by dissolving the reaction product in an organic solvent insoluble or slightly soluble in water; pouring the resultant solution into water; and removing the organic solvent by distillation with stirring to effect the crystallization of the final product.
摘要翻译：公开了通式（2）的2-氰基-4-氧代-4H-苯并吡喃化合物的制备方法：其中R 1和R 2独立地是氢，卤素，羟基，C 1 -C 5烷基硝基或其中R为C 1 -C 20烷基，苯基，苯基取代的（C 1 -C 20）烷基，苯基（C 1 -C 20）烷氧基苯基或（C 1 -C 20）烷氧基苯基）的RCONH基团。该制造方法的特征在于通式（1）的羧酰胺：其中R 1和R 2各自如上所定义，与脱水剂在通式（Ⅴ）的吡啶化合物存在下反应，（4）：其中A1和A2独立地为氢或C1-C5烷基。如果通过常规处理不能获得具有良好过滤性能的结晶的最终产品，则本文公开的新技术可以通过将反应产物溶解在不溶或微溶于水的有机溶剂中来提供这种晶体; 将所得溶液倒入水中; 并在搅拌下通过蒸馏除去有机溶剂以实现最终产物的结晶。

2. 发明授权

US5658489A Diphenylacetylene compound, process for preparing the same and liquid crystal composition and element comprising the same 失效
标题翻译：二苯基乙炔化合物，其制备方法和液晶组合物及其组成物
公开(公告)号：US5658489A
公开(公告)日：1997-08-19
申请号：US322332
申请日：1994-10-13
申请人： Takayuki Higashii , Yukari Fujimoto , Masayoshi Minai , Tsutomu Matsumoto
发明人： Takayuki Higashii , Yukari Fujimoto , Masayoshi Minai , Tsutomu Matsumoto
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。

3. 发明授权

US5779934A Fluorine-containing optically active compound, process for preparing the same and liquid crystal mixture and liquid crystal element comprising the same 失效
标题翻译：含氟光学活性化合物，其制备方法和液晶混合物以及含有它们的液晶元件
公开(公告)号：US5779934A
公开(公告)日：1998-07-14
申请号：US388424
申请日：1995-02-14
申请人： Takayuki Higashii , Yukari Fujimoto , Tsutomu Matsumoto , Masayoshi Minai , Chizu Sekine , Kyoko Endo , Koichi Fujisawa
发明人： Takayuki Higashii , Yukari Fujimoto , Tsutomu Matsumoto , Masayoshi Minai , Chizu Sekine , Kyoko Endo , Koichi Fujisawa
IPC分类号： C07D239/26 , C07D239/34 , C09K19/04 , C09K19/34 , C07D239/00
CPC分类号： C07D239/26 , C07D239/34 , C09K19/04 , C09K19/3463
摘要： A fluorine-containing optically active compound represented by the formula (1): ##STR1## wherein R.sub.1 is a saturated or unsaturated C.sub.3 -C.sub.20 alkyl group or a saturated or unsaturated C.sub.3 -C.sub.20 alkoxyalkyl group; A.sup.1, A.sup.2 and A.sup.3 independently represent one of the following groups: ##STR2## provided that, when A.sup.1 is a condensed ring group, a sum of p and q is 0 or 1 and A.sup.2 and A.sup.3 are both monocyclic groups, or when A.sup.1 is a monocyclic group, a sum of p and q is 1 or 2 with the proviso that when the sum of p and q is 2, A.sup.2 and A.sup.3 are both monocyclic groups; X is --CH.sub.2 CH.sub.2 --, --CH.dbd.CH-- or --C.tbd.C--; W is a fluorine atom or a hydrogen atom; n is an integer of 1 to 10; m, p and q are each 0 or 1; u and w are each an integer of 0 to 3; and * indicates an asymmetric carbon atom, which is useful as a component of a liquid crystal mixture.
摘要翻译：由式（1）表示的含氟光学活性化合物：其中R1是饱和或不饱和的C3-C20烷基或饱和或不饱和的C3-C20烷氧基烷基; A1，A2和A3独立地表示以下基团之一：稠环基团，p和q之和为0或1，A2和A3均为单环基团，或者当A1为单环基团时 p和q之和为1或2，条件是当p和q之和为2时，A2和A3均为单环基团; X是-CH 2 CH 2 - ， - CH = CH-或-C 3 D C-; W是氟原子或氢原子; n为1〜10的整数。 m，p和q各自为0或1; u和w各自为0〜3的整数; 和*表示不对称碳原子，其可用作液晶混合物的组分。

4. 发明授权

US5554317A Compound having unsaturated side chain, process for preparing the same, liquid crystalline polymer prepared from the same, liquid crystal mixture and display element 失效
标题翻译：具有不饱和侧链的化合物，其制备方法，由其制备的液晶聚合物，液晶混合物和显示元件
公开(公告)号：US5554317A
公开(公告)日：1996-09-10
申请号：US274315
申请日：1994-07-13
申请人： Yoshiaki Tsubata , Kayoko Ueda , Koichi Fujisawa , Takayuki Higashii , Masayoshi Minai , Naoyuki Takano , Yukari Fujimoto
发明人： Yoshiaki Tsubata , Kayoko Ueda , Koichi Fujisawa , Takayuki Higashii , Masayoshi Minai , Naoyuki Takano , Yukari Fujimoto
IPC分类号： C09K19/10 , C09K19/02 , C09K19/04 , C09K19/34 , C09K19/38 , C09K19/40 , C09K19/52 , C09K19/12 , G02F1/13
CPC分类号： C09K19/3469 , C09K19/0225 , C09K19/04 , C09K19/3857 , C09K19/3861 , C09K19/408
摘要： A compound having an unsaturated side chain represented by the formula: ##STR1## in which A and B are the same and different and represent an aromatic or heterocyclic group or either one of A and B represents a single bond; X.sub.1, X.sub.2 and X.sub.3 are the same or different and represent a hydrogen atom or a lower alkyl group; R.sub.1 represents a saturated or unsaturated alkyl group which may be substituted with a halogen atom or an alkoxyalkyl group which may be substituted with a halogen atom; X represents --CH.sub.2 CH.sub.2 --, --CH.dbd.CH--, --C.ident.C-- or a single bond; n is an integer of 0 to 6; q is an integer of 1 to 15; p and s are each 0 or 1; and the asterisk * indicates an asymmetric carbon atom, which is useful as an intermediate of a liquid crystal or a monomer of a liquid crystalline polymer.
摘要翻译：具有下式表示的不饱和侧链的化合物：其中A和B相同且不同，表示芳族或杂环基，或者A和B中的任一个表示单键; X 1，X 2和X 3相同或不同，表示氢原子或低级烷基; R1表示可以被卤素原子取代的饱和或不饱和的烷基或可被卤素原子取代的烷氧基烷基; X表示-CH 2 CH 2 - ， - CH = CH - ， - C = C-或单键; n为0〜6的整数。 q为1〜15的整数， p和s分别为0或1; 并且星号*表示不对称碳原子，其可用作液晶或液晶聚合物的单体的中间体。

5. 发明授权

US5545345A Liquid crystal mixture and liquid crystal element comprsing the same 失效
标题翻译：液晶混合物和液晶元素相同
公开(公告)号：US5545345A
公开(公告)日：1996-08-13
申请号：US282022
申请日：1994-07-29
申请人： Chizu Sekine , Takeshi Tani , Kayoko Ueda , Koichi Fujisawa , Takayuki Higashii , Yukari Fujimoto , Shoji Toda , Masayoshi Minai
发明人： Chizu Sekine , Takeshi Tani , Kayoko Ueda , Koichi Fujisawa , Takayuki Higashii , Yukari Fujimoto , Shoji Toda , Masayoshi Minai
IPC分类号： C09K19/34 , C09K19/46 , C09K19/20 , G02F1/13
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): ##STR1## and at least one compound selected from the group consisting of a compound of the formula (II): ##STR2## and a compound of the formula (III): ##STR3##
摘要翻译：一种铁电手性近晶液晶混合物，其包含式（I）的化合物：（I）和至少一种选自式（II）的化合物的化合物：图像（II）和式（III）的化合物：（III）

6. 发明授权

US6030546A Trans-olefin compounds, method for production thereof, liquid crystal composition containing the same as active ingredient, and liquid crystal element using said composition 失效
标题翻译：反式烯烃化合物，其制备方法，含有该活性成分的液晶组合物和使用该组合物的液晶元素
公开(公告)号：US6030546A
公开(公告)日：2000-02-29
申请号：US832972
申请日：1997-04-04
申请人： Yukari Fujimoto , Naoyuki Takano , Takayuki Higashii , Masayoshi Minai , Chizu Sekine , Kayoko Ueda , Koichi Fujisawa , Kyoko Endo , Takeshi Tani
发明人： Yukari Fujimoto , Naoyuki Takano , Takayuki Higashii , Masayoshi Minai , Chizu Sekine , Kayoko Ueda , Koichi Fujisawa , Kyoko Endo , Takeshi Tani
IPC分类号： C07C43/215 , C07C43/225 , C07C69/007 , C07D213/30 , C07D213/64 , C07D215/14 , C07D237/08 , C07D239/26 , C07D239/34 , C07D241/12 , C09K19/04 , C09K19/12 , C09K19/32 , C09K19/34 , C09K19/46 , C09K19/06 , C07C69/76
CPC分类号： C07D213/30 , C07C43/215 , C07C43/225 , C07C69/007 , C07D213/64 , C07D215/14 , C07D237/08 , C07D239/26 , C07D239/34 , C07D241/12 , C09K19/04 , C09K19/12 , C09K19/126 , C09K19/322 , C09K19/3441 , C09K19/3444 , C09K19/3452 , C09K19/3455 , C09K19/3463 , C09K19/3466 , C09K19/3469 , C09K19/46
摘要： The present invention relates to trans-olefin compounds represented by the general formula (1) useful as an ingredient of liquid crystal composition, trans-olefin compounds useful as intermediate of pesticides, medical drugs, liquid crystal materials and the like, a process for producing those trans-olefin compounds, a liquid crystal composition containing the trans-olefin compound as an active ingredient, and a liquid crystal element using the liquid crystal composition. ##STR1## (In the general formula (1), R.sup.1, A.sup.1, A.sup.2, A.sup.3, Z and R.sup.2 are same as defined in the specification. Also, m, p, q, n, r, s and t are each an integer as defined in the specification.)
摘要翻译：本发明涉及用作液晶组合物成分的通式（1）表示的反式烯烃化合物，可用作农药中间体的反式烯烃化合物，医药药物，液晶材料等，制备方法这些反式烯烃化合物，含有反式烯烃化合物作为活性成分的液晶组合物和使用该液晶组合物的液晶元件。（通式（1）中，R1，A1，A2，A3，Z和R2与说明书中的定义相同，m，p，q，n，r，s和t分别为规格。

7. 发明授权

US5707547A Trans-olefin compounds, method for production thereof, liquid crystal composition containing the same as active ingredient, and liquid crystal element using said composition 失效
标题翻译：反式烯烃化合物，其制备方法，含有该活性成分的液晶组合物和使用该组合物的液晶元素
公开(公告)号：US5707547A
公开(公告)日：1998-01-13
申请号：US282024
申请日：1994-07-29
申请人： Yukari Fujimoto , Naoyuki Takano , Takayuki Higashii , Masayoshi Minai , Chizu Sekine , Kayoko Ueda , Koichi Fujisawa , Kyoko Endo , Takeshi Tani
发明人： Yukari Fujimoto , Naoyuki Takano , Takayuki Higashii , Masayoshi Minai , Chizu Sekine , Kayoko Ueda , Koichi Fujisawa , Kyoko Endo , Takeshi Tani
IPC分类号： C07C43/215 , C07C43/225 , C07C69/007 , C07D213/30 , C07D213/64 , C07D215/14 , C07D237/08 , C07D239/26 , C07D239/34 , C07D241/12 , C09K19/04 , C09K19/12 , C09K19/32 , C09K19/34 , C09K19/46 , C09K19/52
CPC分类号： C07D213/30 , C07C43/215 , C07C43/225 , C07C69/007 , C07D213/64 , C07D215/14 , C07D237/08 , C07D239/26 , C07D239/34 , C07D241/12 , C09K19/04 , C09K19/12 , C09K19/126 , C09K19/322 , C09K19/3441 , C09K19/3444 , C09K19/3452 , C09K19/3455 , C09K19/3463 , C09K19/3466 , C09K19/3469 , C09K19/46
摘要： The present invention relates to trans-olefin compounds represented by the general formula (1) useful as an ingredient of liquid crystal composition, trans-olefin compounds useful as intermediate of pesticides, medical drugs, liquid crystal materials and the like, a process for producing those trans-olefin compounds, a liquid crystal composition containing the trans-olefin compound as an active ingredient, and a liquid crystal element using the liquid crystal composition. ##STR1## (In the general formula (1), R.sup.1, A.sup.1, A.sup.2, A.sup.3, Z and R.sup.2 are same as defined in the specification. Also, m, p, q, n, r, s and t are each an integer as defined in the specification.)
摘要翻译：本发明涉及用作液晶组合物成分的通式（1）表示的反式烯烃化合物，可用作农药中间体的反式烯烃化合物，医药药物，液晶材料等，制备方法这些反式烯烃化合物，含有反式烯烃化合物作为活性成分的液晶组合物和使用该液晶组合物的液晶元件。（1）（通式（1）中，R1，A1，A2，A3，Z和R2与说明书中的定义相同，m，p，q，n，r，s和t分别为每个都是规范中定义的整数）

8. 发明授权

US5662828A Compound having unsaturated side chain, process for preparing the same, liquid crystalline polymer prepared from the same, liquid crystal mixture and display element 失效
标题翻译：具有不饱和侧链的化合物，其制备方法，由其制备的液晶聚合物，液晶混合物和显示元件
公开(公告)号：US5662828A
公开(公告)日：1997-09-02
申请号：US471018
申请日：1995-06-06
申请人： Yoshiaki Tsubata , Kayoko Ueda , Koichi Fujisawa , Takayuki Higashii , Masayoshi Minai , Naoyuki Takano , Yukari Fujimoto
发明人： Yoshiaki Tsubata , Kayoko Ueda , Koichi Fujisawa , Takayuki Higashii , Masayoshi Minai , Naoyuki Takano , Yukari Fujimoto
IPC分类号： C09K19/02 , C09K19/04 , C09K19/38 , C09K19/40 , C09K19/34 , C07D239/02 , C07D241/02 , C08F120/00
CPC分类号： C09K19/3861 , C09K19/0225 , C09K19/04 , C09K19/3857 , C09K19/408
摘要： A compound having an unsaturated side chain represented by the formula: ##STR1## in which A and B are the same and different and represent an aromatic or heterocyclic group or either one of A and B represents a single bond; X.sub.1, X.sub.2 and X.sub.3 are the same or different and represent a hydrogen atom or a lower alkyl group; R.sub.1 represents a saturated or unsaturated alkyl group which may be substituted with a halogen atom or an alkoxyalkyl group which may be substituted with a halogen atom; X represents --CH.sub.2 CH.sub.2 --, --CH.dbd.CH--, --C.tbd.C-- or a single bond; n is an integer of 0 to 6; q is an integer of 1 to 15; p and s are each 0 or 1; and the asterisk * indicates an asymmetric carbon atom, which is useful as an intermediate of a liquid crystal or a monomer of a liquid crystalline polymer.
摘要翻译：具有下式表示的不饱和侧链的化合物：其中A和B相同且不同，表示芳族或杂环基，或者A和B中的任一个表示单键; X 1，X 2和X 3相同或不同，表示氢原子或低级烷基; R1表示可以被卤素原子取代的饱和或不饱和的烷基或可被卤素原子取代的烷氧基烷基; X表示-CH 2 CH 2 - ， - CH = CH - ， - C 3BOND C-或单键; n为0〜6的整数。 q为1〜15的整数， p和s分别为0或1; 并且星号*表示不对称碳原子，其可用作液晶或液晶聚合物的单体的中间体。

9. 发明授权

US5762825A Liquid crystal mixture and liquid crystal device comprising the same 失效
标题翻译：液晶混合物和包含该液晶混合物的液晶装置
公开(公告)号：US5762825A
公开(公告)日：1998-06-09
申请号：US538909
申请日：1995-10-04
申请人： Yoshiaki Tsubata , Kyoko Yamamoto , Koichi Fujisawa , Yukari Fujimoto , Tsutomu Matsumoto , Masayoshi Minai , Chizu Sekine
发明人： Yoshiaki Tsubata , Kyoko Yamamoto , Koichi Fujisawa , Yukari Fujimoto , Tsutomu Matsumoto , Masayoshi Minai , Chizu Sekine
IPC分类号： C09K19/30 , C09K19/42 , C09K19/44 , C09K19/46 , C09K19/06 , C09K19/12 , C09K19/34
CPC分类号： C09K19/3001 , C09K19/42 , C09K19/44 , C09K19/46
摘要： A liquid crystal mixture containing (a) at least one compound of a compound of the formula (1): ##STR1## in which R is a C.sub.1 -C.sub.12 alkyl group, etc.; X.sub.1, X.sub.2, X.sub.3, X.sub.4, Y.sub.1, Y.sub.2, Y.sub.3 and Y.sub.4 represent, independently each other, CH, CF or N; A is a hydrogen atom, a 4-R.sub.1 -(cycloalkyl) group, etc. in which R.sub. is a C.sub.1 -C.sub.12 alkyl group, etc. and p is 0 or 1; and Z is --C.tbd.C-- or a single bond, and (b) at least one compound of the formula (4): ##STR2## wherein rings C, D, E and F represent, independently each other, 1,4-phenylene, etc. which may be substituted by 1, 2 or 3 fluorine atoms; R.sub.2 is a hydrogen atom, a C.sub.1 -C.sub.12 alkyl group, etc.; R.sub.3 is a hydrogen atom, a fluorine atom, a fluoromethyl group, etc.; Z.sub.1, Z.sub.2 and Z.sub.3 represent, independently each other, --COO--, --OCO--, --OCH.sub.2 --, --CH.sub.2 O--, a C.sub.1 -C.sub.5 alkylene group, a C.sub.2 -C.sub.5 alkenylene group, etc.; J and K represent, independently each other, a methylene group or --O--; a, b, c, d and e represent, independently each other, 0 or 1.
摘要翻译：一种液晶混合物，其含有（a）至少一种式（1）化合物的化合物：其中R是C1-C12烷基等;其中R是C1-C12烷基; X1，X2，X3，X4，Y1，Y2，Y3和Y4彼此独立地表示CH，CF或N; A是氢原子，4-R1-（环烷基）基等，其中R 1是C 1 -C 12烷基等，p是0或1; 和（b）至少一种式（4）的化合物：其中环C，D，E和F各自独立地表示，可以被1,2或3个氟原子取代的1,4-亚苯基等; R2是氢原子，C1-C12烷基等; R3是氢原子，氟原子，氟甲基等; Z1，Z2和Z3彼此独立地表示-COO-，-OCO-，-OCH2-，-CH2O-，C1-C5亚烷基，C2-C5亚烯基等; J和K彼此独立地表示亚甲基或-O-; a，b，c，d和e彼此独立地表示0或1。

10. 发明授权

US06246452B1 Liquid crystal, liquid crystal mixture having Tau-V min mode driving with negative or zero temperature dependency 失效
标题翻译：具有Tau-V min模式驱动的液晶，液晶混合物具有负温度或零温度依赖性
公开(公告)号：US06246452B1
公开(公告)日：2001-06-12
申请号：US08545198
申请日：1995-10-19
申请人： Chizu Sekine , Kyoko Yamamoto , Koichi Fujisawa , Yukari Fujimoto , Tsutomu Matsumoto , Masayoshi Minai
发明人： Chizu Sekine , Kyoko Yamamoto , Koichi Fujisawa , Yukari Fujimoto , Tsutomu Matsumoto , Masayoshi Minai
IPC分类号： G02F1133
CPC分类号： C09K19/345 , C09K19/46
摘要： A ferroelectric chiral smectic liquid crystal mixture comprising at least one compound of the formula (I): wherein R11 and R12 represent, independently each other, a C1-C20 alkyl, alkoxy or alkoxyalkyl group which may be substituted by at least one halogen atom and may have an unsaturated bond; A11, A12 and A13 represent, independently each other, a phenylene group which may be substituted by a fluorine atom, or the like; * indicates an asymmetric carbon atom; Z is a hydrogen atom or a fluorine atom; n is an integer of 0 to 10; r, s, t and u are each 0 or 1, provided that when u is 1, the compound (I) is a trans-olefin, and at least one compound of the formula (II): wherein R21 is a saturated or unsaturated C3-C20 alkyl group or a saturated or unsaturated C3-C20 alkoxyalkyl group; A21, A22 and A23 represent, independently each other, a phenylene group which may be substituted by a fluorine atom or the like; X2 is —C≡C— or the like; Z is a hydrogen atom or a fluorine atom; n is an integer of 1 to 10; m is 0 or 1; and * indicates an asymmetric carbon atom, which liquid crystal mixture has a high response speed and a small dependency of &tgr;-Vmin characteristic on temperature and a wide temperature driving margin.
摘要翻译：一种铁电手性近晶液晶混合物，其包含至少一种式（I）化合物：其中R 11和R 12彼此独立地表示可以被至少一个卤素原子取代的C 1 -C 20烷基，烷氧基或烷氧基烷基，可具有不饱和键; A11，A12和A13彼此独立地表示可被氟原子取代的亚苯基等; *表示不对称碳原子; Z是氢原子或氟原子; n为0〜10的整数。 r，s，t和u各自为0或1，条件是当u为1时，化合物（I）为反式烯烃，和至少一种式（II）化合物：其中R 21为饱和或不饱和的 C3-C20烷基或饱和或不饱和C3-C20烷氧基烷基; A21，A22和A23彼此独立地表示可以被氟原子等取代的亚苯基; X 2是-C = C - 等; Z是氢原子或氟原子; n为1〜10的整数。 m为0或1; 和*表示不对称碳原子，该液晶混合物具有较高的响应速度，并且对于温度和宽温度驱动裕度具有较小的依赖性。

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