Continuous method for producing substituted cyclohexylmethanols
    34.
    发明授权
    Continuous method for producing substituted cyclohexylmethanols 有权
    连续制备取代的环己基甲醇的方法

    公开(公告)号:US08598392B2

    公开(公告)日:2013-12-03

    申请号:US13140074

    申请日:2009-12-10

    摘要: The present invention relates to a continuous process for preparing para-alkyl-substituted cyclohexylmethanols, especially 4-isopropylcyclohexylmethanol, by catalytically hydrogenating the corresponding aldehydes or ketones in the presence of hydrogen and in the presence of a catalyst which comprises, as an active metal, ruthenium applied to a support, the support comprising Al2O3 and/or SiO2, and the catalyst being used in the form of a fixed bed catalyst in a hydrogenation reactor or in a plurality of hydrogenation reactors connected in series.

    摘要翻译: 本发明涉及通过在氢存在下催化氢化相应的醛或酮并且在催化剂存在下,在作为活性金属的催化剂存在下,制备对 - 烷基取代的环己基甲醇,特别是4-异丙基环己基甲醇的连续方法, 钌施加到载体上,载体包含Al 2 O 3和/或SiO 2,催化剂以氢化反应器或串联连接的多个氢化反应器中的固定床催化剂的形式使用。

    Method for producing isocyanates
    37.
    发明授权
    Method for producing isocyanates 失效
    异氰酸酯的制备方法

    公开(公告)号:US07482481B2

    公开(公告)日:2009-01-27

    申请号:US10492618

    申请日:2002-10-17

    IPC分类号: C07C263/00

    摘要: In a process for preparing isocyanates by reacting the corresponding primary amines with phosgene in an inert solvent, use is made of from 0.01 to 50 mol % of a phosphine oxide, based on the total amount of primary amine and isocyanate formed in the reaction solution.

    摘要翻译: 在惰性溶剂中通过使相应的伯胺与光气反应来制备异氰酸酯的方法中,使用基于反应溶液中形成的伯胺和异氰酸酯的总量为0.01至50摩尔%的氧化膦。

    Preparation of an alkenylphosphonic acid derivative
    39.
    发明授权
    Preparation of an alkenylphosphonic acid derivative 失效
    烯基膦酸衍生物的制备

    公开(公告)号:US07399876B2

    公开(公告)日:2008-07-15

    申请号:US10977436

    申请日:2004-11-01

    IPC分类号: C07F9/02

    CPC分类号: C07F9/4015

    摘要: Process for preparing an alkenylphosphonic acid derivative by reacting a phosphonic acid derivative with an alkyne in the presence of a catalyst complex system, wherein the catalyst complex system comprises (a) nickel, (b) a phosphine having at least two trivalent phosphorus atoms and in addition (c) a phosphine having one trivalent phosphorus atom.

    摘要翻译: 在催化剂络合物体系存在下使膦酸衍生物与炔烃反应制备链烯基膦酸衍生物的方法,其中所述催化剂络合物体系包含(a)镍,(b)具有至少两个三价磷原子的膦和 加入(c)具有一个三价磷原子的膦。