Preparation of an alkenylphosphonic acid derivative
    4.
    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。

    Preparation of an alkenylphosphonic acid derivative
    5.
    发明申请
    Preparation of an alkenylphosphonic acid derivative 审中-公开
    烯基膦酸衍生物的制备

    公开(公告)号:US20050113602A1

    公开(公告)日:2005-05-26

    申请号:US10977449

    申请日:2004-11-01

    IPC分类号: C07B61/00 C07F9/40 C07F9/22

    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 and (b) a phosphine having at least two trivalent phosphorus atoms and/or (c) a phosphine having one trivalent phosphorus atom and the alkyne is added only after the phosphonic acid derivative has been brought into contact with the catalyst complex system for at least one minute.

    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烯基膦酸衍生物的方法,其中催化剂络合物体系包含(a)镍和(b)具有至少两个三价磷原子的膦和/ 或者(c)仅在使膦酸衍生物与催化剂络合物体系接触至少1分钟后才加入具有一个三价磷原子的膦和炔烃。

    Process for preparing 2-alkyne 1-acetals
    10.
    发明申请
    Process for preparing 2-alkyne 1-acetals 审中-公开
    制备2-炔-1-缩醛的方法

    公开(公告)号:US20060016695A1

    公开(公告)日:2006-01-26

    申请号:US11186100

    申请日:2005-07-21

    IPC分类号: C25B3/00

    CPC分类号: C25B3/02

    摘要: Process for preparing 2-alkyne 1-acetals of the general formula I, where the radicals have the following meanings: R1 is hydrogen, C1-C20-alkyl, C2-C20-alkenyl, C2-C20-alkynyl, C3-C12-cycloalkyl, C4-C20-cycloalkylalkyl, C4-C10-aryl, with these radicals optionally being able to be substituted by hydroxy, halogen, C1-C6-alkoxy, (C1-C6-alkoxy)carbonyl, carboxyl or nitrile groups, R2 is C1-C6-alkyl or a radical of the general formula II where R1 is as defined above, R3 has the same meaning as the radical R2, by electrochemically oxidizing a compound of the general formula III where the radical R1 has the same meaning as in the general formula I, in the presence of C1-C6-alkyl alcohols (alcohol A) or as such.

    摘要翻译: 制备通式I的2-炔炔-1-缩醛的方法,其中基团具有以下含义:R 1是氢,C 1 -C 20 C 2 -C 20烷基,C 2 -C 20 - 烯基,C 2 -C 20 - 炔基 C 3 -C 12 - 环烷基,C 4 -C 20 - 环烷基烷基,C 4 C 1 -C 10 - 芳基,这些基团任选地可以被羟基,卤素,C 1 -C 6 - - 烷氧基,(C 1 -C 6 - 烷氧基)羰基,羧基或腈基,R 2是C 1 - C 1 -C 6 - 烷基或通式II的基团,其中R 1如上所定义,R 3和R 3具有相同的含义 作为基团R 2,通过电化学氧化通式III化合物,其中基团R 1具有与通式I中相同的含义,在 C 1 -C 6 - 烷基醇(醇A)或这样。