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620 条记录 (耗时 0.021 秒)

    Certain diaryl-pentane derivatives having pesticidal properties
    92.
    发明授权
    Certain diaryl-pentane derivatives having pesticidal properties 失效
    某些具有杀虫性能的二芳基 - 戊烷衍生物

    公开(公告)号：US4743622A

    公开(公告)日：1988-05-10

    申请号：US828289

    申请日：1986-02-11

    申请人： Helga Franke ,  Heinrich Franke ,  Hans-Rudolf Kruger ,  Hartmut Joppien

    发明人： Helga Franke ,  Heinrich Franke ,  Hans-Rudolf Kruger ,  Hartmut Joppien

    IPC分类号： A01N29/02 ,  A01N29/04 ,  A01N29/10 ,  A01N31/02 ,  A01N31/04 ,  A01N31/08 ,  A01N31/14 ,  A01N33/02 ,  A01N33/04 ,  A01N33/06 ,  A01N33/18 ,  A01N33/22 ,  A01N35/04 ,  A01N37/00 ,  A01N37/22 ,  A01N37/34 ,  A01N41/04 ,  A01N41/10 ,  A01N43/06 ,  A01N43/24 ,  A01N43/40 ,  A01N43/74 ,  A01N47/02 ,  A01N49/00 ,  A01P7/04 ,  C07B31/00 ,  C07B37/04 ,  C07C17/00 ,  C07C17/26 ,  C07C17/32 ,  C07C22/08 ,  C07C41/00 ,  C07C43/225 ,  C07C43/29 ,  C07C67/00 ,  C07C201/00 ,  C07C205/38 ,  C07C209/00 ,  C07C211/52 ,  C07C253/00 ,  C07C255/50 ,  C07C301/00 ,  C07C303/30 ,  C07C309/63 ,  C07C309/73 ,  C07D213/24 ,  C07D213/64 ,  C07D213/643 ,  A01N39/00 ,  C07C43/257

    CPC分类号： C07D213/643 ,  A01N31/14 ,  A01N37/00 ,  A01N41/04 ,  A01N41/10 ,  A01N43/40 ,  A01N47/02 ,  C07C309/00 ,  C07C317/00 ,  C07C43/29

    摘要： The invention relates to new aromatic alkane derivatives of the general formula ##STR1## in which R.sub.1 is aryl or aryl substituted by C.sub.1-4 alkyl, halo-C.sub.1-4 alkyl, phenyl-C.sub.1-4 alkyl, C.sub.2-4 alkenyl, halo-C.sub.2-4 alkenyl, phenyl-C.sub.2-4 alkenyl, C.sub.2-4 alkynyl, halo-C.sub.2-4 alkynyl, phenyl-C.sub.2-4 alkynyl, C.sub.1-4 alkoxy, halo-C.sub.1-4 alkoxy, phenyl-C.sub.1-4 alkoxy, C.sub.2-4 alkenyloxy, halo-C.sub.2-4 alkenyloxy, phenyl-C.sub.2-4 alkenyloxy, C.sub.2-4 alkynyloxy, halo-C.sub.2-4 alkynyloxy, phenyl-C.sub.2-4 alkynyloxy, alkylsulphonyloxy, haloalkylsulphonyloxy, arylsulphonyloxy, halo, cyano, nitro, aryloxy, haloaryloxy, C.sub.1-4 alkyl-aryloxy, or nitroaryloxy,R.sub.2 is hydrogen or C.sub.1-4 alkyl,R.sub.3 is hydrogen, cyano or ethynyl,R.sub.4 is phenyl or pyridyl or these groups substituted by one or more of C.sub.1-6 alkyl, halo-C.sub.1-6 alkyl, phenyl-C.sub.1-6 alkyl, C.sub.1-6 alkyl interrupted by an O-, N- or S- atom, C.sub.2-4 alkenyl, halo-C.sub.2-4 alkenyl, phenyl-C.sub.2-4 alkenyl, C.sub.1-4 alkoxy, halo-C.sub.1-4 alkoxy, phenyl-C.sub.1-4 alkoxy, C.sub.2-4 alkenyloxy, halo-C.sub.2-4 alkenyloxy, phenyl-C.sub.2-4 alkenyloxy, C.sub.2-4 alkynyloxy, halo-C.sub.2-4 alkynyloxy, phenyl-C.sub.2-4 alkynyloxy, aryloxy, haloaryloxy, C.sub.1-4 alkylaryloxy, arylamino, haloarylamino, C.sub.1-4 alkylarylamino, aryl-N-C.sub.1-4 alkylamino, aryl-N-C.sub.1-4 acylamino, aroyl, haloaroyl, C.sub.1-4 alkylaroyl, aryl, haloaryl, C.sub.1-4 alkylaryl or halo, and pesticidal compositions containing these compounds as well as processes for their preparation.

    摘要翻译： 本发明涉及通式为（I）的新芳族烷烃衍生物，其中R 1为被C 1-4烷基，卤代C 1-4烷基，苯基-C 1-4烷基，C 2-4烯基取代的芳基或芳基 卤代C 2-4链烯基，苯基-C 2-4链烯基，C 2-4炔基，卤代C 2-4炔基，苯基-C 2-4链炔基，C 1-4烷氧基，卤代-C 1-4烷氧基，苯基-C1- C 1-4烷氧基，C 2-4链烯氧基，卤代C 2-4链烯氧基，苯基-C 2-4链烯氧基，C 2-4炔氧基，卤代-C 2-4苯氧基，苯基-C 2-4烷氧基，烷基磺酰氧基，卤代烷基磺酰氧基，芳基磺酰氧基， ，硝基，芳氧基，卤代芳基氧基，C 1-4烷基 - 芳氧基或硝基芳氧基，R 2是氢或C 1-4烷基，R 3是氢，氰基或乙炔基，R 4是苯基或吡啶基或​​这些基团被一个或多个C1- C 1-6烷基，卤代C 1-6烷基，苯基-C 1-6烷基，被O-，N-或S-原子间隔的C 1-6烷基，C 2-4链烯基，卤代C 2-4链烯基，苯基-C 2 - 4链烯基，C 1-4烷氧基，卤代-C 1-4烷氧基，苯基-C 1-4烷氧基，C 2-4链烯氧基，卤代C 2-4链烯氧基，苯基-C 2-4链烯基 氧基，C 2-4烷氧基，卤代C 2-4烷氧基，苯基-C 2-4烷氧基，芳氧基，卤代芳基氧基，C 1-4烷基氧基，芳基氨基，卤代芳基氨基，C 1-4烷基芳基氨基，芳基-N-C 1-4烷基氨基， N-C 1-4酰基氨基，芳酰基，卤代酰基，C 1-4烷基酰基，芳基，卤代芳基，C 1-4烷基芳基或卤素，以及含有这些化合物的杀虫组合物及其制备方法。

    Nematic compounds
    94.
    发明授权
    Nematic compounds 失效
    向列化合物

    公开(公告)号：US4637897A

    公开(公告)日：1987-01-20

    申请号：US638089

    申请日：1984-08-06

    申请人： Stephen M. Kelly

    发明人： Stephen M. Kelly

    IPC分类号： C07C17/00 ,  C07C25/18 ,  C07C39/42 ,  C07C41/00 ,  C07C43/225 ,  C07C45/46 ,  C07C49/84 ,  C07C53/44 ,  C07C67/00 ,  C07C69/75 ,  C07C69/757 ,  C07C69/76 ,  C07C69/78 ,  C07C253/00 ,  C07C255/50 ,  C07C255/54 ,  C07C255/55 ,  C07C255/57 ,  C09K19/30 ,  G02F1/13 ,  C07C25/13 ,  C07C121/52 ,  C07C121/56

    CPC分类号： C07C255/00 ,  C07C25/18 ,  C07C43/225 ,  C07C45/46 ,  C07C49/84 ,  C07C53/44 ,  C09K19/3028 ,  C09K19/3066 ,  C09K19/3068

    摘要： Nematic compounds with a negative DC antisotropy, characterized by the formula I ##STR1## in which m=1 or 2, r is zero or 1 and m+r=1 or 2, and R.sup.1 and R.sup.2 are identical or different and are selected from alkyl and alkoxy groups each having 1-12 carbon atoms in a straight or branched chain, which may be chiral, Z is a bridge member selected from a single bond and the groups of the formulae --CH.sub.2 CH.sub.2 --, --OCH.sub.2 --, --O--CO-- or --CO--O--, one of the groups X and Y is selected from fluorine, chlorine, bromine and cyano and the other of the groups X and Y is selected from hydrogen, fluorine, chlorine, bromine and cyano, with the proviso that m=r=1 if X and Y are both cyano, are suitable as components for liquid crystal mixtures having an overall negative DC anisotropy, such as are required in particular for electro-optical displays of the type of guest/host displays or homotropic-nematic displays.

    摘要翻译： 具有负直流消偏性的向列化合物，其特征在于其中m = 1或2，r为0或1，m + r = 1或2，并且R 1和R 2相同或不同并且被选择的式I 在直链或支链上各自具有1-12个碳原子的烷基和烷氧基，其可以是手性的，Z是选自单键的桥连体，式-CH 2 CH 2 - ， - OCH 2 - ，-O -CO-或-CO-O-，基团X和Y之一选自氟，氯，溴和氰基，X和Y中的另一个选自氢，氟，氯，溴和氰基，与 条件是如果X和Y都是氰基，则m = r = 1，适合作为具有总的负DC各向异性的液晶混合物的组分，例如特别对客体/主机显示器类型的电光显示器 或同向向列型显示器。

    Process for the preparation of halo aromatic compounds
    97.
    发明授权
    Process for the preparation of halo aromatic compounds 失效
    卤代芳香族化合物的制备方法

    公开(公告)号：US4590315A

    公开(公告)日：1986-05-20

    申请号：US660765

    申请日：1984-10-15

    申请人： James J. Maul ,  David Y. Tang

    发明人： James J. Maul ,  David Y. Tang

    IPC分类号： C07C17/00 ,  C07C17/093 ,  C07C17/20 ,  C07C25/13 ,  C07C67/00 ,  C07C253/00 ,  C07C255/49 ,  C07C255/50 ,  C07C17/22

    CPC分类号： C07C255/00 ,  C07C17/093 ,  C07C17/208

    摘要： A process for the preparation of chloro-difluorobenzene compounds of the formula ##STR1## where R is CN or CF.sub.3, comprises the steps of (A) reacting an alkali metal fluoride with 4-chloro-3,5-dinitrobenzonitrile or 4-chloro-3,5-dinitrobenzotrifluoride to form the corresponding 4-fluoro-3,5-dinitrobenzonitrile or 4-fluoro-3,5-dinitrobenzotrifluoride product.(B) chlorodenitrating the 4-fluoro product of step (A) to form the corresponding 3,5-dichloro-4-fluorobenzonitrile or 3,5-dichloro-4-fluorobenzotrifluoride compound.(C) reacting the 3,5-dichloro-4-fluorobenzonitrile or 3,5-dichloro-4-fluorobenzotrifluoride compound prepared in step (B) with an alkali metal fluoride to form the corresponding 3-chloro-4,5-difluorobenzonitrile or 3-chloro-4,5-difluorobenzotrifluoride compound.

    摘要翻译： 制备式（I）的氯代二氟苯化合物的方法，其中R是CN或CF 3，包括以下步骤：（A）使碱金属氟化物与4-氯-3,5-二硝基苯甲腈或4-氯 - 形成相应的4-氟-3,5-二硝基苯甲腈或4-氟-3,5-二硝基三氟甲苯产物。 （B）将步骤（A）的4-氟产物氯稀释以形成相应的3,5-二氯-4-氟苄腈或3,5-二氯-4-氟三氟甲苯化合物。 （C）使步骤（B）中制备的3,5-二氯-4-氟苄腈或3,5-二氯-4-氟三氟甲苯化合物与碱金属氟化物反应形成相应的3-氯-4,5-二氟苄腈或 3-氯-4,5-二氟三氟甲苯化合物。