Process for the production of 3-vinylcephalosporins
    2.
    发明公开
    Process for the production of 3-vinylcephalosporins 失效
    Verfahren zur Herstellung von 3-Vinylcephalosporinen。

    公开(公告)号:EP0597429A2

    公开(公告)日:1994-05-18

    申请号:EP93118094.7

    申请日:1993-11-08

    发明人: Wieser, Josef

    CPC分类号: C07D501/00

    摘要: A process for the production of 3-vinylcephalosporin compounds of formula

    wherein R 1 and R 2 may be the same or different and are hydrogen or an organic radical using a Wittig reaction in which weak bases are used.

    摘要翻译: 制备式CHEM的3-乙酰头孢菌素化合物的方法,其中R 1和R 2可以相同或不同,并且是使用其中使用弱碱的Wittig反应的氢或有机基团。

    New process for the production of cephalosporines and novel intermediates in this process
    4.
    发明公开
    New process for the production of cephalosporines and novel intermediates in this process 失效
    Verfahren zur Herstellung von Cephalosporinen und Zwischenverbindungen in diesem Verfahren。

    公开(公告)号:EP0528343A2

    公开(公告)日:1993-02-24

    申请号:EP92113715.4

    申请日:1992-08-12

    CPC分类号: C07D501/00 Y02P20/55

    摘要: The invention relates to a new economical and simple process, using a new intermediate compound, for the production of 3'-substituted 7-amino-3-propenyl-4-cephem-carboxylic acid derivatives of formula

    wherein R is hydrogen, a negative charge or a silyl protecting group, R o is hydrogen or methoxy, R₁ is hydrogen or a silyl protecting group and X is the radical of a nucleophile, and their acid addition salts.

    摘要翻译: 本发明涉及一种新的经济和简单的方法,使用新的中间体化合物制备式(CHEM)的3'-取代的7-氨基-3-丙烯基-4-头孢烯羧酸衍生物,其中R是氢, 负电荷或甲硅烷基保护基,R 0是氢或甲氧基,R 1是氢或甲硅烷基保护基,X是亲核试剂的基团,以及它们的酸加成盐。

    Cephalosporin derivative
    5.
    发明公开
    Cephalosporin derivative 失效
    头孢菌素衍生金融工具。

    公开(公告)号:EP0463553A1

    公开(公告)日:1992-01-02

    申请号:EP91110030.3

    申请日:1991-06-19

    IPC分类号: C07D501/36

    CPC分类号: C07D501/00

    摘要: The application relates to a highly pure crystalline modification of cefcanel daloxate hydrochloride (I) and processes for its production.

    摘要翻译: 本申请涉及一种高纯度的Cefcanel daloxate hydrochloride(I)的结晶改性及其生产方法。 p

    Cephalosporin synthesis
    6.
    发明公开
    Cephalosporin synthesis 失效
    头孢菌素Herstellung

    公开(公告)号:EP1340762A1

    公开(公告)日:2003-09-03

    申请号:EP03012877.1

    申请日:1995-04-24

    摘要: Intermediates in the production of cephalosporins of formula
       wherein either

    α) R a denote hydrogen or a silyl group; R b denotes a group of formula -OR e , wherein R e denotes hydrogen or alkyl; and R c and R d together denote a bond; or
    β) R d and R a denote hydrogen or a silyl group; and R b and R c together denote an imino group of formula = N - Y, wherein Y denotes alkyl, aryl or heterocyclyl; or
    γ) R d denotes hydrogen or a silyl group; R a denotes hydrogen, if R d denotes hydrogen; or, R a denotes hydrogen or a silyl group, if R d denotes a silyl group; and R b and R c together denote the oxo group;
    in free form or in salt form.

    摘要翻译: 制备式的头孢菌素的中间体,其中任何α)R a表示氢或甲硅烷基; R b表示式-OR e的基团,其中R e表示氢或烷基; R c和R d一起表示键; 或β)R d和R a表示氢或甲硅烷基; 并且R b和R c一起表示式= N-Y的亚氨基,其中Y表示烷基,芳基或杂环基; 或γ)R d表示氢或甲硅烷基; R a表示氢,如果R d表示氢; 或者R a表示氢或甲硅烷基,如果R d表示甲硅烷基; 并且R b和R c一起表示氧代基; 以自由形式或盐形式