Process for producing furfurylamine and/or tetrahydrofurfurylamine
    1.
    发明授权
    Process for producing furfurylamine and/or tetrahydrofurfurylamine 失效
    生产糠胺和/或四氢糠胺的方法

    公开(公告)号:US4598159A

    公开(公告)日:1986-07-01

    申请号:US686903

    申请日:1984-12-27

    IPC分类号: C07D307/14 C07D307/52

    CPC分类号: C07D307/52 C07D307/14

    摘要: A process for producing furfurylamine and/or tetrahydrofurfurylamine in a high yield is disclosed, which comprises subjecting a mixture of furfural and a primary amine to a liquid-phase catalytic hydrogenation using a hydrogenation catalyst in the presence of ammonia, wherein the primary amine is furfurylamine and/or tetrahydrofurfurylamine and the hydrogenation catalyst is selected from the group consisting of cobalt-based catalysts and nickel-based catalysts.

    摘要翻译: 公开了一种以高产率生产糠胺和/或四氢糠胺的方法,其包括在氨的存在下使用氢化催化剂使糠醛和伯胺的混合物进行液相催化氢化,其中伯胺是糠胺 和/或四氢糠胺,氢化催化剂选自钴基催化剂和镍基催化剂。

    Process for producing ether compounds by catalytic hydrogenolysis
    2.
    发明授权
    Process for producing ether compounds by catalytic hydrogenolysis 失效
    通过催化氢解制备醚化合物的方法

    公开(公告)号:US4479017A

    公开(公告)日:1984-10-23

    申请号:US391304

    申请日:1982-06-23

    摘要: In a process for producing an ether compound by the catalytic hydrogenolysis of an acetal compound in the presence of a catalyst, the improvement wherein an acetal compound of the following formula (2) ##STR1## wherein R represents a hydrogen atom or a lower alkoxy group, Y represents an alkylene group having 2 to 12 carbon atoms, n represents a positive number of from 1 to 6, the two groups R(YO).sub.n may, together with the carbon atom to which they are bonded, represent a 1,3-dioxolane ring, and R.sup.1 and R.sup.2, independently from each other, represent a hydrogen atom or a C.sub.1 -C.sub.6 alkyl group, provided that at least one of R.sup.1 and R.sup.2 represents a hydrogen atom,is catalytically hydrogenolyzed in the presence of a palladium catalyst on a carbon carrier in the absence of an acid substance added, thereby to form an ether compound of the following formula (1)R(YO).sub.n CHR.sup.1 R.sup.2 (1) whereinR, R.sup.1, R.sup.2, Y and n are as defined.

    摘要翻译: 在催化剂存在下,通过缩醛化合物的催化氢解生产醚化合物的方法,其中下述式(2)的缩醛化合物其中R表示氢原子或 低级烷氧基,Y表示碳原子数2〜12的亚烷基,n表示1至6的正数,R(YO)2基可以与它们所键合的碳原子一起表示 1,3-二氧戊环,R1和R2彼此独立地表示氢原子或C1-C6烷基,条件是R1和R2中的至少一个表示氢原子,在存在下催化氢解 在不存在酸物质的情况下在碳载体上的钯催化剂,从而形成下式(1)的醚化合物:R(YO)n CHR 1 R 2(1)其中R,R 1,R 2,Y和n如上所定义 。

    Process for the production of piperidine
    6.
    发明授权
    Process for the production of piperidine 失效
    生产哌啶的方法

    公开(公告)号:US4605742A

    公开(公告)日:1986-08-12

    申请号:US699125

    申请日:1985-02-07

    CPC分类号: C07D295/023

    摘要: A process for the production of piperidine by catalytic hydrogenation of furfurylamine and/or tetrahydrofurfurylamine in the presence of a hydrogenation catalyst by flowing hydrogen gas into a reaction zone, wherein the starting material is introduced into a liquid phase in the reaction zone, the liquid phase being maintained at a constant temperature, and the reaction product is withdrawn from the reaction zone in a gaseous form together with excess hydrogen gas.

    摘要翻译: 在氢化催化剂存在下,通过将氢气流入反应区中,通过糠胺和/或四氢糠胺的催化氢化生产哌啶的方法,其中原料被引入反应区中的液相,液相 保持在恒定温度,并且将反应产物与过量的氢气一起以气态形式从反应区中排出。