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    • 9. 发明申请
    • Crystalline forms of ibandronic acid and processes for the preparation thereof
    • 伊班膦酸的结晶形式及其制备方法
    • US20090099390A1
    • 2009-04-16
    • US12284811
    • 2008-09-24
    • Claude SingerSharon W. Avhar-MaydanTamas KoltaiAmir Gold
    • Claude SingerSharon W. Avhar-MaydanTamas KoltaiAmir Gold
    • C07F9/38
    • C07F9/386C07F9/3873
    • A crystalline ibandronic acid characterized by data selected from the group consisting of at least one of a powder x-ray diffraction pattern having peaks at about 4.1, 12.3 and 13.4±0.2 degrees two-theta and at least two more peaks selected from the group consisting of: 8.2, 11.3, 16.2 and 16.9 and 20.8±0.2 degrees two-theta, and by a powder X-ray diffraction pattern depicted in FIG. 1 is provided. Also provided is a crystalline ibandronic acid characterized by data selected from the group consisting of at least one of a powder x-ray diffraction pattern having peaks at about peaks at about 5.2, 11.7, and 18.7±0.2 degrees two-theta and at least two more peaks selected from the group consisting of: 5.8, 10.1, 12.0, 17.1, and 20.0±0.2 degrees two-theta and a powder X-ray diffraction pattern as depicted in FIG. 2. Methods of preparing the crystalline forms are also provided.
    • 一种结晶伊班膦酸,其特征在于选自以下的数据:至少一种粉末X射线衍射图,其具有在约4.1,12.3和13.4±0.2度2-θ以及至少两个以上的峰,所述峰选自 :8.2,11.3,16.2和16.9和20.8±0.2度2-θ,以及图1中所示的粉末X射线衍射图。 1。 还提供了结晶伊班膦酸,其特征在于选自以下的数据:粉末x射线衍射图中的至少一种,其峰值在约5.2,11.7和18.7±0.2度2θ和至少两个 选自由5.8,10.1,12.0,17.1和20.0±0.2度2-θ组成的组的更多峰和如图1所示的粉末X射线衍射图。 还提供了制备结晶形式的方法。