利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

7 条记录 (耗时 0.024 秒)

    Liquid crystal compound and liquid crystal composition containing the same
    3.
    发明授权
    Liquid crystal compound and liquid crystal composition containing the same 失效
    液晶化合物和含有它们的液晶组合物

    公开(公告)号：US5716542A

    公开(公告)日：1998-02-10

    申请号：US637284

    申请日：1996-04-24

    申请人： Yukiharu Iwaya ,  Mamoru Yamada ,  Hitoshi Kondo ,  Toshimitsu Hagiwara

    发明人： Yukiharu Iwaya ,  Mamoru Yamada ,  Hitoshi Kondo ,  Toshimitsu Hagiwara

    IPC分类号： C07D213/30 ,  C07D237/08 ,  C07D239/26 ,  C07D241/12 ,  C09K19/02 ,  C09K19/34 ,  C07D213/24 ,  C07D239/02 ,  C09K19/30

    CPC分类号： C07D213/30 ,  C07D237/08 ,  C07D239/26 ,  C07D241/12 ,  C09K19/0266 ,  C09K19/3444 ,  C09K19/3452 ,  C09K19/3455 ,  C09K19/3463

    摘要： A liquid crystal compound represented by formula (I) and a liquid crystal composition containing the same. The compound exhibits an antiferroelectric liquid crystal phase and has good compatibility with known liquid crystal compounds. ##STR1## wherein R.sup.1 represents a straight-chain or branched alkyl, alkoxy, alkoxycarbonyl, alkanoyloxy or alkoxycarbonyloxy group having 4 to 16 carbon atoms; R.sup.2 represents a straight-chain alkyl group having 4 to 10 carbon atoms or a branched alkyl group containing 1 to 3 carbon atoms in its branch and 4 to 12 carbon atoms in total; X represents an oxygen or sulfur atom; rings A and B each represent an F-substituted or unsubstituted phenylene group, a cyclohexylene group or a divalent nitrogen-containing heterocyclic group, provided that either one of rings A and B is the nitrogen-containing heterocyclic group; ring C represents an F-substituted or unsubstituted phenylene group; and C* represents an asymmetric carbon atom.

    摘要翻译： 由式（I）表示的液晶化合物和含有该液晶化合物的液晶组合物。 该化合物表现出反铁电液晶相，与已知的液晶化合物具有良好的相容性。 （I）其中R1表示具有4至16个碳原子的直链或支链烷基，烷氧基，烷氧基羰基，烷酰氧基或烷氧基羰氧基; R2表示碳原子数为4〜10的直链烷基或碳原子数为1〜3的支链烷基，总共为4〜12个碳原子。 X表示氧或硫原子; 环A和B各自表示F取代或未取代的亚苯基，亚环己基或二价含氮杂环基，条件是环A和B中的任一个为含氮杂环基; 环C表示F取代或未取代的亚苯基; C *表示不对称碳原子。

    Antiferroelectric liquid crystal compound and antiferroelectric liquid crystal composition containing the same
    4.
    发明授权
    Antiferroelectric liquid crystal compound and antiferroelectric liquid crystal composition containing the same 失效
    含有它的反铁电液晶化合物和反铁电液晶组合物

    公开(公告)号：US5667722A

    公开(公告)日：1997-09-16

    申请号：US653744

    申请日：1996-05-23

    申请人： Yukiharu Iwaya ,  Mamoru Yamada ,  Hitoshi Kondo ,  Toshimitsu Hagiwara

    发明人： Yukiharu Iwaya ,  Mamoru Yamada ,  Hitoshi Kondo ,  Toshimitsu Hagiwara

    IPC分类号： G02F1/137 ,  C07D239/34 ,  C09K19/02 ,  C09K19/34 ,  G02F1/13 ,  G02F1/141 ,  C07D239/02

    CPC分类号： C09K19/3463 ,  C07D239/34 ,  C09K19/0266

    摘要： An antiferroelectric liquid crystal compound represented by the following general formula (I): ##STR1## wherein R.sup.1 represents an alkyl group having 6 to 16 carbon atoms; R.sup.2 represents a straight chain alkyl group having 3 to 8 carbon atoms or a branched alkyl group having 4 to 10 carbon atoms; and * means an asymmetric carbon atom, and an antiferroelectric liquid crystal composition comprising at least one liquid crystal compound as defined above. The optically active compound of the present invention is highly miscible with a number of known antiferroelectric liquid crystal compounds and thus capable of providing liquid crystal materials having improved temperature properties. A liquid crystal composition containing the optically active compound of the present invention is applicable to electro-optical devices with the use of antiferroelectric liquid crystals.

    摘要翻译： 由以下通式（I）表示的反铁电液晶化合物：其中R 1表示碳原子数6〜16的烷基， R2表示碳原子数3〜8的直链烷基或碳原子数4〜10的支链烷基。 和*表示不对称碳原子，以及包含至少一种如上所定义的液晶化合物的反铁电液晶组合物。 本发明的光学活性化合物与多种已知的反铁电液晶化合物高度混溶，从而能够提供具有改善的温度特性的液晶材料。 含有本发明的光学活性化合物的液晶组合物可应用于使用反铁电液晶的电光装置。

    Ruthenium metathesis catalyst and method for producing olefin reaction product by metathesis reaction using the same
    5.
    发明授权
    Ruthenium metathesis catalyst and method for producing olefin reaction product by metathesis reaction using the same 失效
    钌复分解催化剂及使用其的复分解反应产生烯烃反应产物的方法

    公开(公告)号：US06313365B1

    公开(公告)日：2001-11-06

    申请号：US09666049

    申请日：2000-09-20

    申请人： Yoji Hori ,  Yukiharu Iwaya ,  Tsutomu Hashimoto ,  Toshimitsu Hagiwara

    发明人： Yoji Hori ,  Yukiharu Iwaya ,  Tsutomu Hashimoto ,  Toshimitsu Hagiwara

    IPC分类号： C07C604

    CPC分类号： C07C6/04 ,  B01J31/0231 ,  B01J31/2286 ,  B01J31/2295 ,  B01J31/24 ,  B01J31/2404 ,  B01J31/30 ,  B01J2231/14 ,  B01J2231/543 ,  B01J2531/821 ,  C07C2531/24

    摘要： The invention has an object of safely and simply preparing a large amount of a ruthenium metathesis catalyst, which is used as a catalyst for a carbon-carbon bond formation using, particularly, a metathesis reaction. The metathesis catalyst has the following complex composition (A) or (B). The composition (A) includes RuX12(arene)(PR1R2R3) and R4CHX22, R5C ≡CH or R4CHX2 and a reducing agent, wherein X1 and X2 respectively are a halogen atom; arene is a hydrocarbon having a benzene ring; R1, R2 and R3, which may be the same or different, respectively are an alkyl group having 1-8 carbon atoms, a cycloalkyl group having 3-8 carbon atoms or an optionally substituted aryl group, wherein the substituent group is an alkyl group having 1-8 carbon atoms, an alkoxy group having 1-8 carbon atoms, an alkylamino group having 1-8 carbon atoms or a halogen atom; R4 is an alkyl group which has 1-8 carbon atoms and may have an ether bond or an ester bond, an optionally subsituted aryl group, wherein the substituent group is a halogen atom or a hydroxyl group; or cycloalkyl group having 3-8 carbon atoms; and R5 is an optionally substituted alkyl group which has 1-8 carbon atoms and may have an ether bond or an ester bond, wherein the substituent group is a halogen atom or a hydroxyl group, an aryl group or a cycloalkyl group having 3-8 carbon atoms. The composition B includes [RuX12(arene)]2, PR1R2R3, R5C≡CH or R4CHX2 and a reducing agent, wherein X1, arene, R1, R2, R3, R4 and R5 are the same as defined above.

    摘要翻译： 本发明的目的是安全简单地制备大量的钌复分解催化剂，其用作碳 - 碳键形成催化剂，特别是用于复分解反应。 复分解催化剂具有以下复合组成（A）或（B）。 组合物（A）包括RuX12（芳烃）（PR1R2R3）和R4CHX22，R5C = CH或R4CHX2和还原剂，其中X1和X2分别是卤素原子; 芳烃是具有苯环的烃; R 1，R 2和R 3可以相同或不同，分别为具有1-8个碳原子的烷基，具有3-8个碳原子的环烷基或任选取代的芳基，其中取代基是烷基 具有1-8个碳原子，具有1-8个碳原子的烷氧基，具有1-8个碳原子的烷基氨基或卤素原子; R4是具有1-8个碳原子并且可以具有醚键或酯键的烷基，任选取代的芳基，其中取代基是卤素原子或羟基; 或具有3-8个碳原子的环烷基; R5是具有1-8个碳原子并且可以具有醚键或酯键的任意取代的烷基，其中取代基是卤素原子或羟基，芳基或具有3-8个碳原子的环烷基 碳原子。 组合物B包括[RuX 12（芳烃）] 2，PR 1 R 2 R 3，R 5 C = CH或R 4 CHX 2和还原剂，其中X 1，R 6，R 1，R 2，R 3，R 4和R 5与上述定义相同。

    Ruthenium metathesis catalyst and method for producing olefin reaction product by metathesis reaction using the same
    6.
    发明授权
    Ruthenium metathesis catalyst and method for producing olefin reaction product by metathesis reaction using the same 失效
    钌复分解催化剂及使用其的复分解反应产生烯烃反应产物的方法

    公开(公告)号：US06175047B1

    公开(公告)日：2001-01-16

    申请号：US09219351

    申请日：1998-12-23

    申请人： Yoji Hori ,  Yukiharu Iwaya ,  Tsutomu Hashimoto ,  Toshimitsu Hagiwara

    发明人： Yoji Hori ,  Yukiharu Iwaya ,  Tsutomu Hashimoto ,  Toshimitsu Hagiwara

    IPC分类号： C07C604

    CPC分类号： C07C6/04 ,  B01J31/0231 ,  B01J31/2286 ,  B01J31/2295 ,  B01J31/24 ,  B01J31/2404 ,  B01J31/30 ,  B01J2231/14 ,  B01J2231/543 ,  B01J2531/821 ,  C07C2531/24

    摘要： The invention has an object of safely and simply preparing a large amount of a ruthenium metathesis catalyst, which is used as a catalyst for a carbon-carbon bond formation using, particularly, a metathesis reaction. The metathesis catalyst has the following complex composition (A) or (B). The composition (A) includes RuX12(arene)(PR1R2R3) and R4CHX22, R5C≡CH or R4CHX2 and a reducing agent, wherein X1 and X2 respectively are a halogen atom; arene is a hydrocarbon having a benzene ring; R1, R2 and R3, which may be the same or different, respectively are an alkyl group having 1-8 carbon atoms, a cycloalkyl group having 3-8 carbon atoms or an optionally substituted aryl group, wherein the substituent group is an alkyl group having 1-8 carbon atoms, an alkoxy group having 1-8 carbon atoms, an alkylamino group having 1-8 carbon atoms or a halogen atom; R4 is an alkyl group which has 1-8 carbon atoms and may have an ether bond or an ester bond, an optionally subsituted aryl group, wherein the substituent group is a halogen atom or a hydroxyl group; or cycloalkyl group having 3-8 carbon atoms; and R5 is an optionally substituted alkyl group which has 1-8 carbon atoms and may have an ether bond or an ester bond, wherein the substituent group is a halogen atom or a hydroxyl group, an aryl group or a cycloalkyl group having 3-8 carbon atoms. The composition B includes [RuX12(arene)]2, PR1R2R3, R5C≡CH or R4CHX2 and a reducing agent, wherein X1, arene, R1, R2, R3, R4 and R5 are the same as defined above.

    摘要翻译： 本发明的目的是安全简单地制备大量的钌复分解催化剂，其用作碳 - 碳键形成催化剂，特别是用于复分解反应。 复分解催化剂具有以下复合组成（A）或（B）。 组合物（A）包括RuX12（芳烃）（PR1R2R3）和R4CHX22，R5C = CH或R4CHX2和还原剂，其中X1和X2分别是卤素原子; 芳烃是具有苯环的烃; R 1，R 2和R 3可以相同或不同，分别为具有1-8个碳原子的烷基，具有3-8个碳原子的环烷基或任选取代的芳基，其中取代基是烷基 具有1-8个碳原子，具有1-8个碳原子的烷氧基，具有1-8个碳原子的烷基氨基或卤素原子; R4是具有1-8个碳原子并且可以具有醚键或酯键的烷基，任选取代的芳基，其中取代基是卤素原子或羟基; 或具有3-8个碳原子的环烷基; R5是具有1-8个碳原子并且可以具有醚键或酯键的任意取代的烷基，其中取代基是卤素原子或羟基，芳基或具有3-8个碳原子的环烷基 碳原子。 组合物B包括[RuX 12（芳烃）] 2，PR 1 R 2 R 3，R 5 C = CH或R 4 CHX 2和还原剂，其中X 1，R 6，R 1，R 2，R 3，R 4和R 5与上述定义相同。