Chemical acetylation of desacetyl-cephalosporins
    6.
    发明授权
    Chemical acetylation of desacetyl-cephalosporins 失效
    去乙酰头孢菌素的化学乙酰化

    公开(公告)号:US5917032A

    公开(公告)日:1999-06-29

    申请号:US173091

    申请日:1998-10-15

    CPC分类号: C07D501/00

    摘要: The present invention is concerned with a chemical acetylation process for the preparation of 3'-acetylated cephalosporin from desacetyl-cephalosporin. The novel process is carried out with an acetyl donor and an activator or catalyst.

    摘要翻译: 本发明涉及从脱乙酰头孢菌素制备3'-乙酰化头孢菌素的化学乙酰化方法。 该新方法用乙酰基供体和活化剂或催化剂进行。