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    Hydrogenation of nitriles over Raney catalysts
    1.
    发明授权
    Hydrogenation of nitriles over Raney catalysts 失效
    在阮内催化剂上氢化腈

    公开(公告)号：US06677486B2

    公开(公告)日：2004-01-13

    申请号：US09985982

    申请日：2001-11-07

    申请人： Andreas Ansmann ,  Christoph Benisch ,  Frank Funke ,  Frank Ohlbach ,  Martin Merger

    发明人： Andreas Ansmann ,  Christoph Benisch ,  Frank Funke ,  Frank Ohlbach ,  Martin Merger

    IPC分类号： C07C2948

    CPC分类号： C07D295/13 ,  B01J25/00 ,  B01J37/0018 ,  C07C209/48 ,  C07C211/14 ,  C07C211/36

    摘要： Nitriles are hydrogenated to primary amines over an activated, alpha-Al2O3-containing, macroporous Raney catalyst based on an alloy of aluminum and at least one transition metal selected from the group consisting of iron, cobalt and nickel, and, if desired, one or more further transition metals selected from the group consisting of titanium, zirconium, chromium and manganese, which is obtainable by a process comprising the steps in the order (a)-(f): (a) preparing a kneadable composition comprising the alloy, a shaping aid, water and a pore former; (b) shaping the kneadable composition to form a shaped body; (c) calcining the shaped body; (d) activating the calcined shaped body by treatment with aqueous alkali metal hydroxide solution; (e) rinsing the shaped catalyst body with aqueous alkali metal hydroxide solution; (f) rinsing the shaped catalyst body with water.

    摘要翻译： 基于铝和至少一种选自铁，钴和镍的过渡金属的合金，并且如果需要，腈在一种活化的含α-Al 2 O 3的大孔阮内催化剂上氢化成伯胺，如果需要， （a） - （f）：（a）制备包含该合金的可捏合组合物的方法可以获得更多的选自钛，锆，铬和锰的过渡金属， 成型助剂，水和成孔剂;（b）使捏合组合物成形以形成成形体;（c）煅烧成形体;（d）用碱金属氢氧化物水溶液处理活化煅烧成形体;（e） 用碱金属氢氧化物水溶液冲洗成型的催化剂体;（f）用水冲洗成型的催化剂体。

    Hydrogenation of nitriles over Raney catalysts
    2.
    发明授权
    Hydrogenation of nitriles over Raney catalysts 失效
    在阮内催化剂上氢化腈

    公开(公告)号：US06469211B2

    公开(公告)日：2002-10-22

    申请号：US09987243

    申请日：2001-11-14

    申请人： Andreas Ansmann ,  Christoph Benisch ,  Frank Funke ,  Frank Ohlbach ,  Martin Merger

    发明人： Andreas Ansmann ,  Christoph Benisch ,  Frank Funke ,  Frank Ohlbach ,  Martin Merger

    IPC分类号： C07C20948

    CPC分类号： C07C209/48 ,  C07C211/14

    摘要： In a process for the continuous hydrogenation of nitrites to primary amines in the liquid phase over a suspended, activated Raney catalyst based on an alloy of aluminum and at least one transition metal selected from the group consisting of iron, cobalt and nickel, and, if desired, one or more further transition metals selected from the group consisting of titanium, zirconium, chromium and manganese, the hydrogenation is carried out in the absence of ammonia and basic alkali metal compounds or alkaline earth metal compounds.

    摘要翻译： 在一种基于铝合金和至少一种选自铁，钴和镍的过渡金属的悬浮活性阮内催化剂上，在液相中将亚硝酸盐连续氢化成伯胺的方法中，如果 所需的一种或多种选自钛，锆，铬和锰的过渡金属，氢化在不存在氨和碱性碱金属化合物或碱土金属化合物的情况下进行。

    Method for reducing the content of an unsaturated amine in a mixture containing an amine and a nitrile
    3.
    发明授权
    Method for reducing the content of an unsaturated amine in a mixture containing an amine and a nitrile 失效
    减少含有胺和腈的混合物中不饱和胺含量的方法

    公开(公告)号：US06828457B2

    公开(公告)日：2004-12-07

    申请号：US10432385

    申请日：2003-05-21

    申请人： Frank Ohlbach ,  Christoph Benisch ,  Hermann Luyken ,  Andreas Ansmann ,  Rolf-Hartmuth Fischer ,  Johann-Peter Melder ,  Peter Bassler ,  Stefan Maixner

    发明人： Frank Ohlbach ,  Christoph Benisch ,  Hermann Luyken ,  Andreas Ansmann ,  Rolf-Hartmuth Fischer ,  Johann-Peter Melder ,  Peter Bassler ,  Stefan Maixner

    IPC分类号： C07C25334

    CPC分类号： C07C209/84 ,  C07C253/34

    摘要： A process is provided for reducing the content of a monounsaturated aliphatic amine (III) in a mixture (IV) containing an aminonitrile (I) or a diamine (II), or mixtures thereof, and the amine (III), wherein a) the mixture (IV) is reacted with an anionic nucleophile (V),  which contains a nucleophilic atom selected from the group comprising oxygen, nitrogen and sulfur,  which is capable of taking up an H+ ion to form an acid with a pKa ranging from 7 to 11, measured in water at 25° C., and  which has a relative nucleophilicity, measured in methyl perchlorate/methanol at 25° C.,  ranging from 3.4 to 4.7 when oxygen is the nucleophilic atom,  ranging from 4.5 to 5.8 when nitrogen is the nucleophilic atom, and  ranging from 5.5 to 6.8 when sulfur is the nucleophilic atom,  in an amount ranging from 0.01 to 10 mol per mole of amine (III) in the mixture (IV), to give a mixture (VI), and b) the aminonitrile (I) or the diamine (II), or mixtures thereof, are distilled from the mixture (VI) at a temperature ranging from 50 to 170° C. and a pressure ranging from 0.5 to 100 kPa.

    摘要翻译： 提供了一种降低含有氨基腈（I）或二胺（II）或其混合物的混合物（IV）中的单不饱和脂族胺（III）和胺（III）的含量的方法，其中a）混合物 （IV）与阴离子亲核试剂（V）反应，所述阴离子亲核试剂（V）含有选自氧，氮和硫的亲核原子，其能够吸收H +离子以形成pKa范围从 7至11，在25℃的水中测量，并且当氧是亲核原子时，在25℃的甲基高氯酸甲酯/甲醇中测量的范围为3.4至4.7，当氮气为4.5至5.8时，其具有相对的亲核性 是亲核原子，当硫是亲核原子时，其摩尔数为5.5至6.8，其量为每摩尔混合物（IV）中的胺（III）为0.01至10摩尔，得到混合物（Ⅵ），和b） 氨基腈（I）或二胺（II）或其混合物在温度下从混合物（VI）中蒸馏出 e范围为50至170℃，压力范围为0.5至100kPa。

    Method for producing hexamethylene diamine
    7.
    发明授权
    Method for producing hexamethylene diamine 有权
    六亚甲基二胺的制备方法

    公开(公告)号：US06359178B1

    公开(公告)日：2002-03-19

    申请号：US09762798

    申请日：2001-02-13

    申请人： Rolf Fischer ,  Peter Bassler ,  Hermann Luyken ,  Frank Ohlbach ,  Johann-Peter Melder ,  Martin Merger ,  Andreas Ansmann ,  Alwin Rehfinger ,  Guido Voit

    发明人： Rolf Fischer ,  Peter Bassler ,  Hermann Luyken ,  Frank Ohlbach ,  Johann-Peter Melder ,  Martin Merger ,  Andreas Ansmann ,  Alwin Rehfinger ,  Guido Voit

    IPC分类号： C07C20948

    CPC分类号： C07C209/48 ,  C07C211/12

    摘要： A process for catalytic hydrogenation of adiponitrile to hexamethylenediamine at elevated temperature and elevated pressure in the presence of catalysts based on elemental iron as catalytically active component and ammonia as solvent comprises a) hydrogenating adiponitrile at from 70 to 220° C. and from 100 to 400 bar in the presence of catalysts based on elemental iron as catalytically active component and ammonia as solvent to obtain a mixture comprising adiponitrile, 6-aminocapronitrile, hexamethylenediamine and high boilers until the sum total of the 6-aminocapronitrile concentration and the adiponitrile concentration is within the range from 1 to 50% by weight, based on the ammonia-free hydrogenation mixture, b) removing ammonia from the hydrogenation effluent, c) removing hexamethylenediamine from the remaining mixture, d) separating 6-aminocapronitrile and adiponitrile from high boilers individually or together, and e) returning 6-aminocapronitrile, adiponitrile or mixtures thereof into step a).

    摘要翻译： 在基于作为催化活性组分的元素铁和作为溶剂的氨的催化剂存在下，在升高的温度和升高的压力下将己二腈催化氢化为己二胺的方法包括在70-220℃和100-400巴下氢化己二腈 在基于作为催化活性成分的元素铁和作为溶剂的氨的催化剂存在下，得到包含己二腈，6-氨基己腈，六亚甲基二胺和高沸点剂的混合物，直到6-氨基己腈浓度和己二腈浓度的总和在范围内 基于无氨氢化混合物，从1至50重量％，b）从氢化流出物中除去氨，c）从剩余的混合物中除去六亚甲基二胺，d）分别或一起从高锅炉中分离6-氨基己腈和己二腈， 和），返回6-氨基己腈，己二腈或其混合物 n步骤a）。