Process for preparing leflunomide form I
    1.
    发明授权
    Process for preparing leflunomide form I 失效
    制备来氟米特I的方法

    公开(公告)号:US06806373B2

    公开(公告)日:2004-10-19

    申请号:US10410493

    申请日:2003-04-08

    IPC分类号: C07B2600

    CPC分类号: C07D261/18 A61K31/42

    摘要: New leflunomide Form III is disclosed, along with processes for preparing it. The present invention also provides an economic process for preparing leflunomide Form II and a process for preparing leflunomide Form I from leflunomide Form III. Pharmaceutical compositions and dosage forms containing the new form and methods of using them for the treatment of rheumatoid arthritis are also disclosed.

    摘要翻译: 公开了新的来氟米特III型,以及其制备方法。 本发明还提供了用于制备来氟米特II型的经济方法和从来氟米特III型制备来氟米特I型的方法。 还公开了含有将其用于治疗类风湿性关节炎的新形式和方法的药物组合物和剂型。

    Processes for making- and a new crystalline form of- leflunomide
    8.
    发明授权
    Processes for making- and a new crystalline form of- leflunomide 失效
    制备和新型结晶形式的来氟米特的方法

    公开(公告)号:US06610718B2

    公开(公告)日:2003-08-26

    申请号:US09736727

    申请日:2000-12-14

    IPC分类号: C07D26118

    CPC分类号: C07D261/18 A61K31/42

    摘要: New leflunomide Form III is disclosed, along with processes for preparing it. The present invention also provides an economic process for preparing leflunomide Form II and a process for preparing leflunomide Form I from leflunomide Form III. Pharmaceutical compositions and dosage forms containing the new form and methods of using them for the treatment of rheumatoid arthritis are also disclosed.

    摘要翻译: 公开了新的来氟米特III型,以及其制备方法。 本发明还提供了用于制备来氟米特II型的经济方法和从来氟米特III型制备来氟米特I型的方法。 还公开了含有将其用于治疗类风湿性关节炎的新形式和方法的药物组合物和剂型。