HYDRATE OF 1--5,5-DIFLUORO-PIPERIDIN-2-ONE TARTRATE
    9.
    发明申请
    HYDRATE OF 1--5,5-DIFLUORO-PIPERIDIN-2-ONE TARTRATE 有权
    1--5,5-二氟哌啶-2-酮的水合物

    公开(公告)号:US20130203787A1

    公开(公告)日:2013-08-08

    申请号:US13879571

    申请日:2011-10-31

    IPC分类号: C07D471/04

    CPC分类号: C07D471/04

    摘要: The present invention relates to 1.5 hydrate of of 1-{(2S)-2-amino-4-[2,4-bis (trifluoromethyl)-5,8-dihydropyrido[3,4-d]pyrimidin-7(6H)-yl]-4-oxobutyl}-5,5-di-fluoropiperidin-2-one tartrate, a process for preparing the same, and a pharmaceutical composition for inhibiting DPP-IV, which comprises said compound as the active component.

    摘要翻译: 本发明涉及1 - {(2S)-2-氨基-4- [2,4-双(三氟甲基)-5,8-二氢吡啶并[3,4-d]嘧啶-7(6H) - 基] -4-氧代丁基} -5,5-二氟哌啶-2-酮酒石酸盐,其制备方法和用于抑制DPP-IV的药物组合物,其包含所述化合物作为活性成分。

    Process for preparation of iopromide
    10.
    发明授权
    Process for preparation of iopromide 失效
    碘普罗胺的制备方法

    公开(公告)号:US08420858B2

    公开(公告)日:2013-04-16

    申请号:US12988674

    申请日:2009-04-17

    IPC分类号: C07C233/65

    CPC分类号: C07C231/02 C07C235/68

    摘要: The present invention relates to a novel process for preparing iopromide which is used as a contrast agent for X-ray, wherein 5-methoxyacetylamino-2,4,6-triiodoisophthalic acid (2,3-diacetoxypropyl)amide chloride of formula (19) and 5-methoxyacetylamino-2,4,6-triiodoisophthalic acid [(2,3-dihydroxy-N-methylpropyl)-(2,3-diacetoxypropyl)]diamide of formula (20) are introduced as intermediates, by which a bismer by-product generated during the preparation process can be removed even without an additional removal procedure and thus iopromide with high purity can be prepared in high yield.

    摘要翻译: 本发明涉及用作X射线造影剂的碘普罗胺的新方法,其中式(19)的5-甲氧基乙酰氨基-2,4,6-三碘代间苯二甲酸(2,3-二乙酰氧基丙基)酰胺氯 和作为中间体的式(20)的5-甲氧基乙酰氨基-2,4,6-三碘间苯二甲酸[(2,3-二羟基-N-甲基丙基) - (2,3-二乙酰氧基丙基)] - 二酰胺作为中间体, 在制备过程中产生的产物即使没有另外的去除程序也可以被除去,因此可以以高产率制备高纯度的碘普罗胺。