Process for preparing caprolactam
    11.
    发明授权
    Process for preparing caprolactam 失效
    己内酰胺的制备方法

    公开(公告)号:US5977356A

    公开(公告)日:1999-11-02

    申请号:US887174

    申请日:1997-07-02

    CPC classification number: C07D201/08

    Abstract: A simple and single step process for producing caprolactam comprising reacting 5-formylvaleric acid or an ester thereof in a solvent of water and/or an alcohol with hydrogen and ammonia in the presence of a noble metal catalyst supported by a carrier at 80.degree. to 300.degree. C. under a pressure of 10 to 120 atm, whereby amination, acidification, dehydration and cyclization occur to obtain caprolactam.

    Abstract translation: 一种用于制备己内酰胺的简单且单步的方法,其包括使5-甲酰基戊酸或其酯在水和/或醇的溶剂中与氢和氨在80〜300载体负载的贵金属催化剂存在下反应 在10〜120atm的压力下进行胺化,酸化,脱水和环化,得到己内酰胺。

    Processes for producing epsilon caprolactams
    12.
    发明授权
    Processes for producing epsilon caprolactams 失效
    生产ε己内酰胺的方法

    公开(公告)号:US5962680A

    公开(公告)日:1999-10-05

    申请号:US839576

    申请日:1997-04-15

    Abstract: This invention relates in part to processes for producing one or more substituted or unsubstituted epsilon caprolactams, e.g., epsilon caprolactam, which comprises: (a) subjecting one or more substituted or unsubstituted alkadienes to hydroxycarbonylation in the presence of a hydroxycarbonylation catalyst, e.g., a metal-organophosphorus ligand complex catalyst, and neutralization with a base to produce one or more substituted or unsubstituted pentenoic acid salts; (b) subjecting said one or more substituted or unsubstituted pentenoic acid salts to hydroformylation in the presence of a hydroformylation catalyst, e.g., a metal-organophosphorus ligand complex catalyst, to produce one or more substituted or unsubstituted formylvaleric acid salts and/or one or more substituted or unsubstituted epsilon caprolactam precursors; and (c) subjecting said one or more substituted or unsubstituted formylvaleric acid salts and/or said one or more substituted or unsubstituted epsilon caprolactam precursors to reductive amination in the presence of a reductive amination catalyst and cyclization optionally in the presence of a cyclization catalyst to produce said one or more substituted or unsubstituted epsilon caprolactams. This invention also relates in part to reaction mixtures containing one or more substituted or unsubstituted epsilon caprolactams as the principal product(s) of reaction.

    Abstract translation: 本发明部分地涉及用于制备一种或多种取代或未取代的ε-己内酰胺(例如ε-己内酰胺)的方法,其包括:(a)在羟基羰基化催化剂存在下使一种或多种取代或未取代的烷撑二醇进行羟基羰基化, 金属有机磷配体络合物催化剂,并用碱中和以产生一种或多种取代或未取代的戊烯酸盐; (b)使所述一种或多种取代或未取代的戊烯酸盐在加氢甲酰化催化剂(例如金属 - 有机磷配体配合物催化剂)存在下进行加氢甲酰化,以产生一种或多种取代或未取代的甲酰基戊酸盐和/或一种或多种 更多取代或未取代的ε己内酰胺前体; 和(c)在还原胺化催化剂存在下使所述一种或多种取代或未取代的甲酰基戊酸盐和/或所述一种或多种取代或未取代的己内酰胺前体进行还原胺化,任选地在环化催化剂存在下进行环化, 产生所述一种或多种取代或未取代的ε己内酰胺。 本发明还部分涉及含有一种或多种取代或未取代的ε-己内酰胺作为反应主要产物的反应混合物。

    Preparation of caprolactam
    14.
    发明授权
    Preparation of caprolactam 失效
    己内酰胺的制备

    公开(公告)号:US5739324A

    公开(公告)日:1998-04-14

    申请号:US646279

    申请日:1996-05-16

    CPC classification number: C07D201/08

    Abstract: A process for preparing cyclic lactams by reacting amino carbonitriles with water in liquid phase in the presence of heterogeneous catalysts based on titanium dioxide, zirconium oxide, cerium oxide and aluminum oxide.

    Abstract translation: PCT No.PCT / EP94 / 03781 Sec。 371日期:1996年5月15日 102(e)日期1996年5月16日PCT 1994年11月16日PCT公布。 出版物WO95 / 14664 日期:1995年6月1日在基于二氧化钛,氧化锆,氧化铈和氧化铝的非均相催化剂的存在下,使氨基腈与液相中的水反应制备环状内酰胺的方法。

    Preparation of caprolactam from 6-aminocapronitrile
    15.
    发明授权
    Preparation of caprolactam from 6-aminocapronitrile 失效
    从6-氨基己腈制备己内酰胺

    公开(公告)号:US5693793A

    公开(公告)日:1997-12-02

    申请号:US707476

    申请日:1996-09-05

    CPC classification number: C07D201/12 C07D201/08

    Abstract: A process for preparing caprolactam by cyclization of 6-aminocapronitrile in the presence of water at elevated temperature and in the presence or absence of a catalyst and a solvent, comprises a) removing from the cyclization reaction effluent ("reaction effluent I") caprolactam and all components boiling higher than caprolactam ("high boilers"), b) treating the high boilers of stage a) with phosphoric acid and/or polyphosphoric acid at from 200 to 350.degree. C. to obtain a reaction effluent II, and c) removing caprolactam formed and any 6-aminocapronitrile from reaction effluent II of stage b) to obtain separation from unconverted high boilers and acid used.

    Abstract translation: 在高温存在下和在存在或不存在催化剂和溶剂的情况下,通过6-氨基己腈的环化制备己内酰胺的方法包括:a)从环化反应流出物(“反应流出物I”)中除去己内酰胺和 所有组分沸点高于己内酰胺(“高锅炉”),b)用磷酸和/或多磷酸在200至350℃下处理阶段a)的高锅炉以获得反应流出物II,和c)除去 己内酰胺和来自阶段b)的反应流出物II的任何6-氨基己腈得到与未转化的高锅炉和酸的分离。

    Preparation of caoprolactam
    16.
    发明授权
    Preparation of caoprolactam 失效
    己内酰胺的制备

    公开(公告)号:US5646277A

    公开(公告)日:1997-07-08

    申请号:US646278

    申请日:1996-05-16

    CPC classification number: C07D201/08

    Abstract: Cyclic lactams are prepared by reacting amino carbonitriles with water in liquid phase in a fixed bed reactor in the presence of heterogeneous catalysts which have no soluble constituents under the reaction conditions.

    Abstract translation: PCT No.PCT / EP94 / 03782 Sec。 371日期:1996年5月16日 102(e)日期1996年5月16日PCT 1994年11月15日PCT PCT。 公开号WO95 / 14665 日期1995年6月1日环己内酰胺是通过在固相床反应器中在液相中使氨基碳腈与水在反应条件下不溶于成分的非均相催化剂存在下制备的。

    Preparation of N-alkenylcarboxamides
    17.
    发明授权
    Preparation of N-alkenylcarboxamides 失效
    N-链烯基酰胺的制备

    公开(公告)号:US5641881A

    公开(公告)日:1997-06-24

    申请号:US513628

    申请日:1995-08-10

    CPC classification number: C07D207/263 C07C231/08 C07D223/10

    Abstract: Preparation of N-alkenylcarboxamides of the general formula I ##STR1## where at least one of the radicals R.sup.1 is hydrogen and the second radical R.sup.1 is hydrogen or a C.sub.1 -C.sub.4 -alkyl group, the radical R.sup.2 is an aliphatic, cycloaliphatic, araliphatic or aromatic radical which can be bonded to the radical R.sup.3 to give a 3- to 10-membered bridge member, and the radical R.sup.3 is hydrogen or an aliphatic, cycloaliphatic or aromatic radical, from an alkenyl carboxylate of the general formula II ##STR2## where R.sup.1 has the meanings indicated above and R.sup.4 is hydrogen or an aliphatic, cycloaliphatic or aromatic radical, and a carboxamide of the general formula III ##STR3## where the radicals R.sup.2 and R.sup.3 have the meanings indicated above, by reacting the starting compounds in the presence of a base is described.

    Abstract translation: 制备通式I的N-链烯基酰胺,其中至少一个基团R 1是氢且第二个基团R 1是氢或C 1 -C 4 - 烷基,基团R 2是脂族,环脂族,芳脂族 或芳族基团,其可以键合到基团R3以得到3-至10-元桥连构件,并且基团R 3为氢或脂族,脂环族或芳族基团,由通式II的烯基羧酸酯 其中R 1具有上述含义,R 4是氢或脂族,脂环族或芳族基团,和通式III的酰胺,其中基团R 2和R 3具有上述含义,通过使起始化合物 在存在基础的情况下进行了描述。

    Process for preparing monobactames and their intermediate product
    18.
    发明授权
    Process for preparing monobactames and their intermediate product 失效
    制备单官能及其中间产物的方法

    公开(公告)号:US5254681A

    公开(公告)日:1993-10-19

    申请号:US884226

    申请日:1993-05-11

    CPC classification number: C07D205/085

    Abstract: There is described a process for preparing monobactames of formula: ##STR1## where R=acyl, and their pharmaceutically acceptable salts, starting from ethyl (S)-3-hydroxybutanoate through the reaction intermediate (3S, 4R)-3-hydrazino-4-methyl-2-oxo-1-azetidine sulfonic acid or a salt thereof. This intermediate is new and therefore represents a further object of the present invention.

    Abstract translation: 描述了通过反应中间体(3S,4R)-3-肼基-4(S)-3-羟基丁酸乙酯从(S)-3-羟基丁酸乙酯开始制备下式的单缩酮的方法:其中R =酰基及其药学上可接受的盐 - 甲基-2-氧代-1-氮杂环丁烷磺酸或其盐。 该中间体是新的,因此代表本发明的另一个目的。

    Preparation of caprolactam from 6-aminocaproic acid, esters and amides
    19.
    发明授权
    Preparation of caprolactam from 6-aminocaproic acid, esters and amides 失效
    从6-氨基己酸,酯和酰胺制备己内酰胺

    公开(公告)号:US4767856A

    公开(公告)日:1988-08-30

    申请号:US133274

    申请日:1987-12-15

    CPC classification number: C07D201/08

    Abstract: In an improved process for preparing caprolactam by heating 6-aminocaproic acid, an ester or amide or mixture thereof in the presence of an inert reaction medium which is liquid under the reaction conditions and has a boiling point above that of caprolactam, the improvement comprises using as the reaction medium a hydrocarbon, maintaining a temperature of from 150.degree. to 350.degree. C., charging the 6-aminocaproic acid, ester, amide or mixture thereof at a rate commensurate with their rate of conversion, and separating caprolactam from the reaction mixture at a rate commensurate with its rate of formation.

    Abstract translation: 在通过在反应条件下为液体并且沸点高于己内酰胺的惰性反应介质的惰性反应介质的存在下加热6-氨基己酸,酯或酰胺或其混合物来制备己内酰胺的改进方法中,改进包括使用 作为反应介质,将烃保持在150℃至350℃的温度下,以与其转化速率相称的速率加入6-氨基己酸,酯,酰胺或其混合物,并将己内酰胺与反应混合物分离 其速度与其形成速度相称。

    Catalyst for the production of pyrrolidone
    20.
    发明授权
    Catalyst for the production of pyrrolidone 失效
    用于生产吡咯烷酮的催化剂

    公开(公告)号:US4263175A

    公开(公告)日:1981-04-21

    申请号:US129155

    申请日:1980-03-10

    CPC classification number: C07D201/08 B01J23/89

    Abstract: Five-membered nitrogen-containing saturated heterocyclic compounds, e.g. pyrrolidone, can be prepared by the catalytic hydrogenation/amination of a five-membered heterocyclic anhydride or the corresponding acid. This reaction proceeds with high yields and selectivities when it is conducted in the presence of complex catalysts containing ruthenium.

    Abstract translation: 五元含氮饱和杂环化合物,例如 吡咯烷酮,可以通过催化氢化/胺化五元杂环酸酐或相应的酸来制备。 当在含有钌的络合催化剂存在下进行时,该反应以高产率和选择性进行。

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