Preparation of primary and secondary amines from nitriles
    1.
    发明授权
    Preparation of primary and secondary amines from nitriles 失效
    从腈制备伯胺和仲胺

    公开(公告)号:US06790995B2

    公开(公告)日:2004-09-14

    申请号:US10033912

    申请日:2002-01-03

    IPC分类号: C07C20948

    摘要: Mixtures of primary amines of the formula (I) X—CH2—NH2  (I) and secondary amines of the formula (II) (X—CH2—)2NH  (II) where X is C1-20-alkyl, C2-20-alkenyl or C3-8-cycloalkyl which may be unsubstituted or substituted by C1-20-alkyl, C3-8-cycloalkyl, C4-20-alkylcycloalkyl, C4-20-cycloalkylalkyl, C2-20-alkoxyalkyl, C6-14-aryl, C7-20-alkylaryl, C7-20-aralkyl, C1-20-alkoxy, hydroxy, C1-20-hydroxyalkyl, amino, C1-20-alkylamino, C2-20-dialkylamino, C2-12-alkenylamino. C3-8-cycloalkylamino, arylamino, diarylamino, aryl-C1-8-alkylamino, halogen, mercapto, C2-20-alkenyloxy, C3-8-cycloalkoxy, aryloxy and/or C2-8-alkoxycarbonyl are prepared by reacting nitriles of the formula (III) X—CN  (III) with hydrogen at from 50 to 250° C. and pressures of from 5 to 350 bar in the presence of a Pd-containing catalyst comprising, based on the total weight of the catalyst, from 0.1 to 10% by weight of Pd on a support.

    摘要翻译: 式(I)的伯胺和式(II)的仲胺的混合物,其中X是可以未被取代或被C 1-20烷基取代的C 1-20 - 烷基,C 2-20 - 烯基或C 3-8 - 环烷基 ,C 3-8 - 环烷基,C 4-20 - 烷基环烷基,C 4-20 - 环烷基烷基,C 2-20烷氧基烷基,C 6-14 - 芳基,C 7-20 - 烷基芳基,C 7-20 - 芳烷基,C 1-20 - 烷氧基,羟基 ,C 1-20羟烷基,氨基,C 1-20烷基氨基,C 2-20 - 二烷基氨基,C 2-12 - 烯基氨基。 C 3-8 - 环烷基氨基,芳基氨基,二芳基氨基,芳基-C 1-8 - 烷基氨基,卤素,巯基,C 2-20 - 烯氧基,C 3-8 - 环烷氧基,芳氧基和/或C 2-8烷氧基羰基, (III)与氢气在50-250℃下反应,压力为5-350巴,在含Pd催化剂的存在下,基于催化剂的总重量计,为0.1-10重量%的Pd 在支持上。

    Preparation of secondary amines from nitriles
    2.
    发明授权
    Preparation of secondary amines from nitriles 失效
    从腈制备仲胺

    公开(公告)号:US06525223B2

    公开(公告)日:2003-02-25

    申请号:US10026900

    申请日:2001-12-27

    IPC分类号: C07C20948

    CPC分类号: C07C209/48 C07C211/11

    摘要: Secondary amines of the formula (II) (X—CH2—)2NH  (II) where X is a C1-20-alkyl, C2-20-alkenyl or C3-8-cycloalkyl group which may be unsubstituted or substituted by C1-20-alkyl, C3-8-cycloalkyl, C4-20-alkylcycloalkyl, C4-20-cycoalkylalkyl, C2-20-alkoxyalkyl, C6-14-aryl, C7-20-alkylaryl, C7-20-aralkyl, C1-20-alkoxy, hydroxy, C1-20-hydroxyalkyl, amino, C1-20-alkylamino, C2-20-dialkylamino, C2-12-alkenylamino, C3-8-cycloalkylamino, arylamino, diarylamino, aryl-C1-8-alkylamino, halogen, mercapto, C2-20-alkenyloxy, C3-8-cycloalkoxy, aryloxy and/or C2-8-alkoxycarbonyl, are prepared by reacting nitriles of the formula (III) X—CN  (III) with hydrogen at from 20 to 250° C. and pressures of from 60 to 350 bar in the presence of an Rh-containing catalyst comprising from 0.1 to 5% by weight, based on the total weight of the catalyst, of Rh on a support to give mixtures of primary amines of the formula (I) X—CH2—NH2  (I) and secondary amines of the formula (II) (X—CH2—)2NH  (II) and returning at least part of the primary amines separated from the mixtures obtained to the reaction.

    摘要翻译: 式(II)的仲胺,其中X是可以是未取代的或被C 1-20 - 烷基,C 3-8 - 环烷基,C 4 -C 18环烷基,C 3-8 - C 20-20烷基烷基,C 2-20 - 烷氧基烷基,C 6-14 - 芳基,C 7-20 - 烷基芳基,C 7-20 - 芳烷基,C 1-20 - 烷氧基,羟基,C 1-20 - 羟基烷基,氨基, C 1-20 - 烷基氨基,C 2-20 - 二烷基氨基,C 2-12 - 烯基氨基,C 3-8 - 环烷基氨基,芳基氨基,二芳基氨基,芳基-C 1-8 - 烷基氨基,卤素,巯基,C 2-20 - 烯氧基, 环烷氧基,芳氧基和/或C 2-8 - 烷氧基羰基,通过在含Rh的催化剂存在下,使式(III)的腈与20至250℃的压力和60至350巴的压力反应来制备 包含基于催化剂总重量的0.1至5重量%的Rh在载体上以得到式(I)的伯胺和式(II)的仲胺的混合物,并使至少部分 从获得的混合物中分离出伯胺 反应。

    Hydrogenation of nitriles over Raney catalysts
    3.
    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

    IPC分类号: C07C2948

    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
    4.
    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

    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。

    Preparation of caprolactam
    6.
    发明授权
    Preparation of caprolactam 有权
    己内酰胺的制备

    公开(公告)号:US06683179B2

    公开(公告)日:2004-01-27

    申请号:US10258941

    申请日:2002-10-29

    IPC分类号: C07D20108

    CPC分类号: C07D201/08

    摘要: A process for the preparation of caprolactam is provided, wherein a) a mixture (I) containing 6-aminocapronitrile and water is reacted in the gas phase, in the presence of a catalyst, to give a mixture (II) containing caprolactam, ammonia, water, high-boiling components and low-boiling components, b) ammonia is then removed from the mixture (II) to give a mixture (III) containing caprolactam, water, high-boiling components and low-boiling components, c) water is then removed from the mixture (III) to give a mixture (IV) containing caprolactam, high-boiling components and low-boiling components, and d) a solid (V) containing caprolactam is then obtained from the mixture (IV) by crystallization, the proportion by weight of caprolactam in the solid (V) being greater than in the mixture (IV).

    摘要翻译: 提供了制备己内酰胺的方法,其中a)含有6-氨基己腈和水的混合物(I)在催化剂存在下在气相中反应,得到含己内酰胺,氨,水的混合物(II) ,高沸点组分和低沸点组分,b)然后从混合物(II)中除去氨,得到含有己内酰胺,水,高沸点组分和低沸点组分的混合物(III),c)然后将水 从混合物(III)中除去,得到含有己内酰胺,高沸点组分和低沸点组分的混合物(IV),然后通过结晶从混合物(IV)获得含有己内酰胺的固体(V),比例 的固体(V)中的己内酰胺的量大于混合物(IV)中的。

    Preparation of caprolactam
    7.
    发明授权
    Preparation of caprolactam 有权
    己内酰胺的制备

    公开(公告)号:US06677449B2

    公开(公告)日:2004-01-13

    申请号:US10258942

    申请日:2002-10-29

    IPC分类号: C07D20102

    CPC分类号: C07D201/08 C07D201/16

    摘要: A process for the preparation of caprolactam is provided, wherein a) a mixture (I) containing 6-aminocapronitrile and water is reacted in the liquid phase, in the presence of a catalyst, to give a mixture (II) containing caprolactam, ammonia, water, high-boiling components and low-boiling components, b) ammonia is then removed from the mixture (II) to give a mixture (III) containing caprolactam, water, high-boiling components and low-boiling components, c) water is then removed from the mixture (III) to give a mixture (IV) containing caprolactam, high-boiling components and low-boiling components, and d) a solid (V) containing caprolactam is then obtained from the mixture (IV) by crystallization, the proportion by weight of caprolactam in the solid (V) being greater than in the mixture (IV).

    摘要翻译: 提供了制备己内酰胺的方法,其中a)含有6-氨基己腈和水的混合物(I)在液相中在催化剂存在下反应,得到含有己内酰胺,氨,水的混合物(II) ,高沸点组分和低沸点组分,b)然后从混合物(II)中除去氨,得到含有己内酰胺,水,高沸点组分和低沸点组分的混合物(III),c)然后将水 从混合物(III)中除去,得到含有己内酰胺,高沸点组分和低沸点组分的混合物(IV),然后通过结晶从混合物(IV)获得含有己内酰胺的固体(V),比例 的固体(V)中的己内酰胺的量大于混合物(IV)中的。

    Method for the production of caprolactam
    10.
    发明授权
    Method for the production of caprolactam 有权
    生产己内酰胺的方法

    公开(公告)号:US06683180B2

    公开(公告)日:2004-01-27

    申请号:US10297209

    申请日:2002-12-04

    IPC分类号: C07D20108

    CPC分类号: C07D201/08 Y02P20/52

    摘要: A process is provided for the preparation of caprolactam from a compound of formula (I): NC—(CH2)5—CO—R  (I) in which R is a carboxamide, carboxylic acid or carboxylic acid ester group, wherein a) a compound (I) or a mixture of such compounds, in the presence of ammonia and optionally a liquid diluent (VI), is hydrogenated with hydrogen in the presence of a catalyst (II) to give a mixture (III), b) the hydrogen and the catalyst (II) are separated from the mixture (III) to give a mixture (IV), and c) the mixture (IV), optionally in the presence of a liquid diluent (VII), is converted to caprolactam in the presence of a catalyst (V).

    摘要翻译: 提供了从式(I)化合物制备己内酰胺的方法:其中R是羧酰胺,羧酸或羧酸酯基,其中a)化合物(I)或这些化合物的混合物,在存在下 的氨和任选的液体稀释剂(VI)在催化剂(II)的存在下用氢氢化,得到混合物(III),b)将氢气和催化剂(II)从混合物(III)中分离出来, 任选在液体稀释剂(VII)的存在下,将混合物(IV)和(c)混合物(IV)在催化剂(V)的存在下转化成己内酰胺。