Hydrogenation of aromatic nitriles to primary amines
    3.
    发明授权
    Hydrogenation of aromatic nitriles to primary amines 失效
    将芳族腈氢化成伯胺

    公开(公告)号:US4186146A

    公开(公告)日:1980-01-29

    申请号:US8310

    申请日:1979-02-01

    CPC分类号: C07C209/48 Y02P20/584

    摘要: In the process of hydrogenating aromatic nitriles to primary amines whereby the nitrile is hydrogenated in a solvent system containing added ammonia using a cobalt or nickel catalyst, the improvement of employing an ether as solvent and carrying out the hydrogenation in the presence of water in an amount of from about 10% to about 20% by volume of the ether solvent whereby the rate of reaction is increased, secondary amine by-products are reduced and catalyst may be recycled without adverse effects.

    摘要翻译: 在将芳族腈氢化成伯胺的过程中,使用钴或镍催化剂在含有加氨的溶剂体系中氢化腈,改进使用醚作溶剂并在水存在下进行氢化 为醚溶剂的约10体积%至约20体积%,由此反应速率增加,仲胺副产物减少,催化剂可循环使用而不产生不利影响。

    Cyanoalkylation process
    4.
    发明授权
    Cyanoalkylation process 失效
    氰基烷基化方法

    公开(公告)号:US4271089A

    公开(公告)日:1981-06-02

    申请号:US54771

    申请日:1979-07-05

    IPC分类号: C07C120/00

    摘要: In a cyanoalkylation process involving the reaction of a cyanoalkene compound such as acrylonitrile with a compound containing a labile hydrogen such as ethylene glycol, to form a cyanoalkylated product such as 3,3'-ethylenedioxy-bis(propionitrile), the reaction is carried out in the presence of cyanoalkylated product in addition to the cyanoalkylated product which is formed in situ by reaction of the reactants. High yields of cyanoalkylated product and low formation of by-products are obtained.

    摘要翻译: 在涉及氰基烯烃化合物例如丙烯腈与含有不稳定氢的化合物如乙二醇反应的氰基烷基化方法中,形成诸如3,3'-亚乙二氧基 - 双(丙腈)的氰基烷基化产物,进行反应 在氰基烷基化产物存在的情况下,除了通过反应物的反应原位形成的氰基烷基化产物之外。 获得高产率的氰基烷基化产物和低副产物形成。

    High selectivity cyanoalkylation process
    6.
    发明授权
    High selectivity cyanoalkylation process 失效
    高选择性氰烷基化方法

    公开(公告)号:US4271088A

    公开(公告)日:1981-06-02

    申请号:US40248

    申请日:1979-05-18

    IPC分类号: C07B20060101 C07C120/00

    摘要: In a cyanoalkylation process involving the reaction of a cyanoalkene compound such as acrylonitrile with a compound containing a labile hydrogen such as ethylene glycol, to form a cyanoalkylated product such as 3,3'-ethylenedioxybis(propionitrile), the conversion of the cyanoalkene is limited to about 60 to 96%, preferably 70 to 85%, whereby the formation of byproducts is reduced from that which is obtained when the conversion of the cyanoalkene is greater than about 96%.

    摘要翻译: 在涉及氰基烯烃化合物如丙烯腈与含有不稳定氢的化合物例如乙二醇反应的氰基烷基化方法中,形成氰基烷基化产物如3,3'-亚乙二氧基双(丙腈)时,氰基烯烃的转化受到限制 至约60至96%,优选70至85%,从而当氰基烯烃的转化率大于约96%时,副产物的形成降低。

    High selectivity cyanoethylation process
    7.
    发明授权
    High selectivity cyanoethylation process 失效
    高选择性氰乙基化方法

    公开(公告)号:US4171322A

    公开(公告)日:1979-10-16

    申请号:US916394

    申请日:1978-06-16

    摘要: An improvement in the cyanoethylation process using a bed of basic ion exchange resin catalyst wherein the conversion of the acrylonitrile is limited to the range between from about 60% to about 96%. A monoadduct intermediate can be recycled. As a result of the limitation to the conversion selectivity as to the desired product is in excess of 95%. The improved process, e.g., has a selectivity of 98% when the conversion is about 82% and the reactants are acrylonitrile and ethylene glycol.

    摘要翻译: 使用碱性离子交换树脂催化剂床的氰乙基化方法的改进,其中丙烯腈的转化率限制在约60%至约96%之间的范围内。 可以回收单加成中间体。 作为对所需产物的转化率选择性的限制的结果是超过95%。 改进的方法例如当转化率为约82%时具有98%的选择性,反应物是丙烯腈和乙二醇。

    Hydrogenation of terephthalnitrile
    9.
    发明授权
    Hydrogenation of terephthalnitrile 失效
    对苯二甲腈的氢化

    公开(公告)号:US4070399A

    公开(公告)日:1978-01-24

    申请号:US724504

    申请日:1976-09-20

    摘要: A process for the preparation of 1,4-bis-(aminomethyl)cyclohexane by hydrogenating a solvent solution of terephthalonitrile containing at least about 5% by volume of ammonia, said hydrogenation being conducted at a temperature between about 100.degree. and about 150.degree. C, at a pressure of at least about 750 psig, and in the presence of an oxide supported catalyst consisting of from about 10% to 45% by weight of palladium and from about 90% to about 55% by weight of ruthenium.

    摘要翻译: 通过氢化含有至少约5体积%氨的对苯二甲腈的溶剂溶液来制备1,4-双 - (氨基甲基)环己烷的方法,所述氢化在约100℃至约150℃的温度下进行 在至少约750psig的压力下,并且在由约10重量%至45重量%的钯和约90重量%至约55重量%的钌组成的氧化物负载的催化剂存在下进行。