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13 条记录 (耗时 0.017 秒)

    Preparation of substituted 2-phenyl-4H-3,1-benzoxazin-4-ones
    1.
    发明授权
    Preparation of substituted 2-phenyl-4H-3,1-benzoxazin-4-ones 失效
    取代的2-苯基-4H-3,1-苯并恶嗪-4-酮的制备

    公开(公告)号：US4673740A

    公开(公告)日：1987-06-16

    申请号：US842995

    申请日：1986-03-24

    申请人： Gerhard Hamprecht ,  Wolfgang Rohr ,  Juergen Varwig

    发明人： Gerhard Hamprecht ,  Wolfgang Rohr ,  Juergen Varwig

    IPC分类号： C07D265/22 ,  C07D265/36

    CPC分类号： C07D265/22

    摘要： 2-Phenyl-4H-3,1-benzoxazin-4-ones of the general formula I ##STR1## where R.sup.1 and R.sup.2 are each hydrogen or halogen, R.sup.1 may furthermore be methyl or methoxy and R.sup.2 may furthermore be haloalkyl, haloalkoxy, haloalkylmercapto or haloalkylsulfonyl, each of 1 to 3 carbon atoms, are prepared by reacting an appropriate anthranilic acid with an appropriate benzoyl halide in the presence of a base (acylation) and effecting ring closure by removal of water (cyclization), the process being carried out in a suspending agent which is immiscible with aqueous alkali metal hydroxide solution and in the presence of a phase-transfer catalyst.

    摘要翻译： 其中R 1和R 2各自为氢或卤素的通式I（I）的2-苯基-4H-3,1-苯并恶嗪-4-酮，R 1还可以是甲基或甲氧基，R 2还可以是卤代烷基， 通过在碱（酰化）存在下使合适的苯甲酰卤与适当的苯甲酰卤反应并通过除去水（环化）进行闭环来制备具有1至3个碳原子的卤代烷氧基，卤代烷基巯基或卤代烷基磺酰基， 在与碱金属氢氧化物水溶液不混溶并在相转移催化剂存在下的悬浮剂中进行。

    Preparation of fluorophthalic anhydrides
    2.
    发明授权
    Preparation of fluorophthalic anhydrides 失效
    氟代邻苯二甲酸酐的制备

    公开(公告)号：US4514572A

    公开(公告)日：1985-04-30

    申请号：US572949

    申请日：1984-01-23

    申请人： Gerhard Hamprecht ,  Juergen Varwig ,  Wolfgang Rohr

    发明人： Gerhard Hamprecht ,  Juergen Varwig ,  Wolfgang Rohr

    IPC分类号： C07C51/567 ,  C07D307/89

    CPC分类号： C07C51/567 ,  C07D307/89

    摘要： Fluorophthalic anhydrides containing 1 or 2 fluorine atoms are prepared by a process in which a chlorophthalic anhydride containing 1 or 2 chlorine atoms is treated with an acid chloride of sulfurous acid or of carbonic acid in the presence of an aliphatic sulfone, and the reaction mixture is then reacted with potassium fluoride.

    摘要翻译： 含有1或2个氟原子的氟代邻苯二甲酸酐通过在脂族砜存在下用亚硫酸或碳酸的酰氯处理含有1或2个氯原子的氯代邻苯二甲酸酐的方法制备，反应混合物为 然后与氟化钾反应。

    Preparation of fluorophthalimides
    3.
    发明授权
    Preparation of fluorophthalimides 失效
    氟代邻苯二甲酰亚胺的制备

    公开(公告)号：US4680412A

    公开(公告)日：1987-07-14

    申请号：US615806

    申请日：1984-05-31

    申请人： Gerhard Hamprecht ,  Juergen Varwig ,  Wolfgang Rohr

    发明人： Gerhard Hamprecht ,  Juergen Varwig ,  Wolfgang Rohr

    IPC分类号： C07D209/48

    CPC分类号： C07D209/48

    摘要： Fluorophthalimides are prepared by a process in which a fluorophthalic anhydride is reacted, in the presence of an aliphatic sulfone, with from 0.4 to 0.8 mole of urea per mole of fluorophthalic anhydride, and the reaction is carried out first at 110.degree.-140.degree. C. and then at 150.degree.-170.degree. C.

    摘要翻译： 氟代邻苯二酰亚胺通过在脂肪族砜存在下使氟代邻苯二甲酸酐与每摩尔氟代邻苯二甲酸酐为0.4至0.8摩尔的尿素反应的方法制备，首先在110-140℃下进行反应 然后在150℃-170℃

    Preparation of fluoromethylthiobenzoyl fluorides
    4.
    发明授权
    Preparation of fluoromethylthiobenzoyl fluorides 失效
    氟甲硫基苯甲酰氟的制备

    公开(公告)号：US4590016A

    公开(公告)日：1986-05-20

    申请号：US589305

    申请日：1984-03-14

    申请人： Juergen Varwig ,  Gerhard Hamprecht

    发明人： Juergen Varwig ,  Gerhard Hamprecht

    IPC分类号： C07C319/20 ,  C07C51/58 ,  C07C67/00 ,  C07C313/00 ,  C07C323/62

    CPC分类号： C07C323/00

    摘要： Novel fluoromethylthiobenzoyl fluorides are prepared by reacting a trichloromethylthiobenzoyl chloride with hydrogen fluoride at from 10.degree. to 130.degree. C., and are useful starting materials for the preparation of crop protection agents. The process of the invention is selective in permitting the optional production of either a trifluoromethylthiobenzoyl fluoride or a difluoromonochloromethylthiobenzoyl fluoride, depending upon the temperature employed.

    摘要翻译： 新的氟甲硫基苯甲酰氟通过三氯甲硫基苯甲酰氯与氟化氢在10°至130℃下反应制备，并且是用于制备作物保护剂的有用起始材料。 根据所用的温度，本发明的方法是选择性地允许任选地生产三氟甲硫基苯甲酰氟或二氟单氯氯甲硫基苯甲酰氟。

    Fluoroethoxyphenyl (di)thiophosphates, a process for their preparation and their use for controlling pests
    10.
    发明授权
    Fluoroethoxyphenyl (di)thiophosphates, a process for their preparation and their use for controlling pests 失效
    氟代乙氧基苯基（二）硫代磷酸酯，其制备方法及其用于防治害虫

    公开(公告)号：US4551448A

    公开(公告)日：1985-11-05

    申请号：US482775

    申请日：1983-04-07

    申请人： Walter Seufert ,  Juergen Varwig ,  Gerd Husslein ,  Wolfgang Seppelt ,  Heinrich Adolphi

    发明人： Walter Seufert ,  Juergen Varwig ,  Gerd Husslein ,  Wolfgang Seppelt ,  Heinrich Adolphi

    IPC分类号： A01N57/14 ,  C07F9/18 ,  C07F9/165

    CPC分类号： C07F9/18 ,  A01N57/14

    摘要： Fluoroethoxyphenyl (di)thiophosphates of the formula ##STR1## where R.sup.1 is alkyl of 1 to 3 carbon atoms, R.sup.2 is alkyl of 1 to 5 carbon atoms, alkoxyalkyl or alkylthioalkyl, each of 2 to 8 carbon atoms, or cycloalkyl of 3 to 6 carbon atoms, R.sup.3, R.sup.4 and R.sup.5 independently of one another are each hydrogen, fluorine, chlorine, bromine or cyano, or alkyl of 1 to 4 carbon atoms which is unsubstituted or substituted by halogen, cyano, alkoxy or alkylthio, X is oxygen or sulfur, and Y is hydrogen, fluorine, chlorine or bromine, their preparation and their use as pesticides.

    摘要翻译： 其中R 1为1至3个碳原子的烷基，R 2为1至5个碳原子的烷基，烷氧基烷基或烷基硫代烷基，每个为2-8个碳原子，或环烷基的氟化乙氧基苯基（二）硫代磷酸酯 3至6个碳原子，R 3，R 4和R 5彼此独立地分别是氢，氟，氯，溴或氰基，或未被取代或被卤素，氰基，烷氧基或烷硫基取代的1至4个碳原子的烷基，X 是氧或硫，Y是氢，氟，氯或溴，它们的制备和用作农药。