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10 条记录 (耗时 0.018 秒)

    Process for the preparation of 2-benzoxazolone and derivatives from ortho-nitrophenols and carbon monoxide
    2.
    发明授权
    Process for the preparation of 2-benzoxazolone and derivatives from ortho-nitrophenols and carbon monoxide 失效
    制备2-苯并恶唑酮和邻硝基苯酚和一氧化碳的衍生物的方法

    公开(公告)号：US4454322A

    公开(公告)日：1984-06-12

    申请号：US460431

    申请日：1983-01-24

    申请人： Jacques Kervennal ,  Jean-Marie Cognion ,  Pierre Durual

    发明人： Jacques Kervennal ,  Jean-Marie Cognion ,  Pierre Durual

    IPC分类号： B01J23/00 ,  B01J31/00 ,  C07B61/00 ,  C07D263/58 ,  C07D498/00 ,  C07D263/54

    CPC分类号： C07D263/58

    摘要： Process for the preparation of 2-benzoxazolone and derivatives by the reaction, in the liquid phase, at a temperature from 100.degree. to 500.degree. C. and a pressure from 20 to 500 bars, of an ortho-nitrophenol of the formula: ##STR1## in which R represents a hydrogen or halogen atom, an alkyl group containing from 1 to 10 carbon atoms or an alkoxy group OR' in which R' represents an alkyl group containing from 1 to 10 carbon atoms, and carbon monoxide under pressure, characterized in that the process is carried out in the presence ofa. a supported catalyst formed by the association of a noble metal of Group VIII and a second transition metal selected from Groups, V.sub.b, VI.sub.b or VIII of the Periodic Classification, in the metallic or oxide form, andb. a nitrogenous heteroaromatic base; the process may be carried out in the presence of a solvent.

    摘要翻译： 通过在液相中在100℃至500℃的温度和20至500巴的压力下通过下式的邻硝基苯酚反应制备2-苯并恶唑酮及其衍生物的方法：其中R表示氢或卤素原子，含有1至10个碳原子的烷基或其中R'表示含有1至10个碳原子的烷基的烷氧基OR'和加压下的一氧化碳，其特征在于 因为该过程是在a的存在下进行的。 b）通过与金属或氧化物形式的VIII族贵金属和选自周期级的Vb，VIb或VIII族的第二过渡金属缔合而形成的负载型催化剂。 含氮杂芳基; 该方法可以在溶剂的存在下进行。

    Process for preparing 2-(4-aminophenyl)-5-amino-benzimidazole and substituted derivatives
    3.
    发明授权
    Process for preparing 2-(4-aminophenyl)-5-amino-benzimidazole and substituted derivatives 失效
    制备2-（4-氨基苯基）-5-氨基 - 苯并咪唑和取代衍生物的方法

    公开(公告)号：US4417056A

    公开(公告)日：1983-11-22

    申请号：US357108

    申请日：1982-03-11

    申请人： Jean-Marie Cognion ,  Pierre Durual

    发明人： Jean-Marie Cognion ,  Pierre Durual

    IPC分类号： B01J23/00 ,  C07B61/00 ,  C07D235/18

    CPC分类号： C07D235/18

    摘要： The invention concerns a process for the preparation of 2-(4-aminophenyl)-5-aminobenzimidazole and substituted derivatives by catalytic cycloreduction of starting material N-(4-nitrobenzoyl)-2,4-dinitroaniline or a substituted derivative by hydrogen gas. According to the invention, the starting material is treated in suspension in an aqueous solution of hydrochloric or phosphoric acid, the content (C) of starting material in said suspension ranging from 0.15 to 1.5 mole per liter and the molar ratio (A): acid/starting material being from 2 to 20. The process is carried out at a hydrogen pressure from 5 to 100 bars and a temperature (T) from 20.degree. to 150.degree. C. selected so that the product T.times.A.times.C is equal to or greater than 25. There is thereby obtained a product of excellent purity with very good yields.

    摘要翻译： 本发明涉及通过起始原料N-（4-硝基苯甲酰基）-2,4-二硝基苯胺或通过氢气的取代衍生物的催化环化制备2-（4-氨基苯基）-5-氨基苯并咪唑和取代衍生物的方法。 根据本发明，原料在悬浮液中在盐酸或磷酸水溶液中处理，所述悬浮液中原料的含量（C）为0.15-1.5摩尔/升，摩尔比（A）：酸 /原料为2〜20。该方法在5〜100巴的氢气压力和20〜150℃的温度（T）下进行，使得产物TxAxC等于或大于25 由此获得了具有优异纯度的产物，产率非常好。

    Synthesis of perfluoroalkyl bromides
    4.
    发明授权
    Synthesis of perfluoroalkyl bromides 失效
    全氟烷基溴化物的合成

    公开(公告)号：US5057633A

    公开(公告)日：1991-10-15

    申请号：US617128

    申请日：1990-11-21

    申请人： Gilles Drivon ,  Pierre Durual ,  Elie Ghenassia

    发明人： Gilles Drivon ,  Pierre Durual ,  Elie Ghenassia

    IPC分类号： C07C17/093 ,  C07C19/08 ,  C07C19/14

    CPC分类号： C07C17/093

    摘要： The invention relates to the preparation of perfluoroalkyl bromides or bromoperfluoroalkanes C.sub.n F.sub.2n+1 -Br (n=1 to 20).A perfluoroalkanesulphonyl chloride C.sub.n F.sub.2n+1 -SO.sub.2 Cl is reacted with a compound of formula: ##STR1## in which X represents a nitrogen or phosphorus atom and R.sup.1, R.sup.2, R.sup.3 and R.sup.4, which may be identical or different, each represent an optionally substituted hydrocarbon radical, it also being possible for one of these symbols to be a hydrogen atom.

    摘要翻译： 本发明涉及全氟烷基溴或溴全氟烷烃CnF2n + 1-Br（n = 1至20）的制备。 使全氟烷基磺酰氯CnF2n + 1-SO2Cl与下式的化合物反应：其中X表示氮或磷原子，R 1，R 2，R 3和R 4可以相同或不同，表示任选取代的烃 自由基，这些符号之一也可能是氢原子。

    Synthesis of hydrogen perfluoroalkanes
    6.
    发明授权
    Synthesis of hydrogen perfluoroalkanes 失效
    氢全氟烷烃的合成

    公开(公告)号：US5382723A

    公开(公告)日：1995-01-17

    申请号：US186493

    申请日：1994-01-26

    申请人： Pierre Durual ,  Andre Lantz

    发明人： Pierre Durual ,  Andre Lantz

    IPC分类号： C07C17/00 ,  C07C17/23 ,  C07C19/08

    CPC分类号： C07C17/23

    摘要： The invention relates to the synthesis of hydrogenperfluoroalkanes R.sub.F H, R.sub.F denoting a perfluoroalkyl radical containing 2 to 20 carbon atoms, by reaction of the corresponding perfluoroalkyl iodide R.sub.F I with an alkali metal hydroxide.The use of methanol as solvent allows the formation of tars to be avoided, an almost total conversion of R.sub.F I and an R.sub.F H of excellent purity to be obtained, and the alkali metal iodide by-product to be recovered easily.

    摘要翻译： 本发明涉及通过相应的全氟烷基碘化物RFI与碱金属氢氧化物的反应来合成表示含有2-20个碳原子的全氟烷基的全氟烷烃RFH，RF。 使用甲醇作为溶剂可以避免形成焦油，要获得的RFI和RFH几乎全部转化得到极好的纯度，而容易回收的碱金属碘化物副产物。

    Synthesis of perfluoroalkyl bromides
    7.
    发明授权
    Synthesis of perfluoroalkyl bromides 失效
    全氟烷基溴化物的合成

    公开(公告)号：US4912269A

    公开(公告)日：1990-03-27

    申请号：US214201

    申请日：1988-06-28

    申请人： Gilles Drivon ,  Pierre Durual ,  Bernard Gurtner ,  Andre Lantz

    发明人： Gilles Drivon ,  Pierre Durual ,  Bernard Gurtner ,  Andre Lantz

    IPC分类号： C07B61/00 ,  B01J31/02 ,  C07C17/00 ,  C07C17/093 ,  C07C19/14 ,  C07C67/00

    CPC分类号： C07C17/093

    摘要： The invention relates to the preparation of perfluoroalkyl bromides or bromoperfluoroalkanes, CnF.sub.2n+1 -Br (n=1 to 20).Gaseous hydrogen bromide is reacted with a perfluoroalkanesulphonyl chloride, C.sub.n F.sub.2n+1 -SO.sub.2 Cl, in the presence of a catalyst consisting of a tertiary amine or phosphine or a quaternary ammonium or phosphonium salt, at a temperature ranging from 80.degree. to 200.degree. C.

    摘要翻译： 本发明涉及全氟烷基溴或溴全氟烷烃CnF2n + 1-Br（n = 1〜20）的制备。 在由叔胺或膦或季铵盐或鏻盐组成的催化剂的存在下，在80至200℃的温度下，将气态溴化氢与全氟烷基磺酰氯CnF2n + 1-SO2Cl反应。

    Alcohol resistant film-forming fluoroprotein foam concentrates
    8.
    发明授权
    Alcohol resistant film-forming fluoroprotein foam concentrates 失效
    耐醇成膜氟蛋白泡沫浓缩液

    公开(公告)号：US5824238A

    公开(公告)日：1998-10-20

    申请号：US686598

    申请日：1996-07-26

    申请人： Gilbert Garcia ,  Pierre Durual

    发明人： Gilbert Garcia ,  Pierre Durual

    IPC分类号： A62D1/04 ,  A62D1/02 ,  B01F17/00 ,  B01F17/30 ,  A62D1/00

    CPC分类号： A62D1/0085

    摘要： The present invention relates to firefighting foam concentrates including a protein hydrolysate in association with: (a) at least one fluorinated cotelomer which has a perfluoroalkyl radical and a polymerized chain consisting of units of an anionic hydrophilic monomer and of a nonionic hydrophilic monomer, and (b) at least one fluorinated surface-active agent whose aqueous solution at a concentration 1 g/l has at 20.degree. C. a surface tension lower than 25 mN/m. These film-forming emulsifiers are effective both against hydrocarbon fires and against polar-liquid fires.

    摘要翻译： 本发明涉及包括蛋白质水解产物的消防泡沫浓缩物，其结合：（a）至少一个具有全氟烷基的氟化聚合物和由阴离子亲水单体和非离子亲水单体的单元组成的聚合链，和 b）至少一种氟化表面活性剂，其浓度为1g / l的水溶液在20℃下具有低于25mN / m的表面张力。 这些成膜乳化剂对于碳氢化合物火焰和极地液体火焰都是有效的。