Method of preparing clarithromycin
    99.
    发明授权
    Method of preparing clarithromycin 失效
    克拉霉素的制备方法

    公开(公告)号:US06809188B1

    公开(公告)日:2004-10-26

    申请号:US10129419

    申请日:2002-05-01

    CPC classification number: C07H17/08

    Abstract: Clarithromycin can be easily prepared by reacting erythromycin A N-oxide with a methylating agent to obtain 6-O-methylerythromycin A N-oxide; and treating 6-O-methylerythromycin A N-oxide obtained above with a reducing agent in a high yield.

    Abstract translation: 红霉素A N-氧化物与甲基化剂反应可以容易地制备克拉霉素,得到6-O-甲基红霉素A N-氧化物; 并用还原剂以高产率处理上述得到的6-O-甲基红霉素A N-氧化物。

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