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    • 49. 发明申请
    • A PROCESS FOR PREPARING A CRYSTALLINE FORM OF SOFOSBUVIR
    • 一种制备SOFOSBUVIR的结晶形式的方法
    • WO2016156512A1
    • 2016-10-06
    • PCT/EP2016/057105
    • 2016-03-31
    • SANDOZ AG
    • MARTIN, NolwennSCHÖNE, OlgaSPITZENSTÄTTER, Hans-PeterBENITO-GARAGORRI, David
    • C07H1/00C07H19/10A61K31/7072
    • C07H1/00C07H19/10
    • A process for preparing a solid crystalline form of sofosbuvir of formula (I) having an X-ray powder diffraction pattern comprising no reflection at 2-theta angles in the range of from 2.0 to 7.8 0 and preferably comprising reflections at 2-theta values of (8.1 ± 0.2) °, (10.4 ± 0.2) °, (12.4 ± 0.2) °, (17.3 ± 0.2) °, (19.4 ± 0.2) ° when measured at a temperature in the range of from 15 to 25 °C with Cu-Kalpha 1,2 radiation having a wavelength of 0.15419 nm, comprising (i) providing sofosbuvir in crystalline form, pseudo-crystalline form, amorphous form, or as a mixture of two or more of these forms; (ii) preparing a mixture comprising the sofosbuvir provided in (i) and a solvent system comprising at least one ketone having from 4 to 8 carbon atoms and optionally at least one aprotic non-ketonic organic solvent; (iii) subjecting the mixture obtained in (ii) to solvent-mediated transformation conditions, obtaining the solid crystalline form of sofosbuvir in its mother liquor. Further a composition comprising a solid crystalline form 7 and at least one ketone having from 4 to 8 carbon atoms as stabilizer is provided. Further a process for preparing said composition is provided. Further a process for preparing a solid crystalline form of sofosbuvir of formula having an X-ray powder diffraction pattern comprising no reflection at 2-theta angles in the range of from 2.0 to 7.8 °, and preferably comprising reflections at 2-theta values of (8.1 ± 0.2) °, (10.4 ± 0.2) °, (12.4 ± 0.2) °, (17.3 ± 0.2) °, (19.4 ± 0.2) 0 with a solvent system comprising at least one ketone having 9 carbon atoms and at least one aprotic non-ketonic organic solvent which does not comprise toluene is provided.
    • 制备具有X射线粉末衍射图的式(I)的沙夫丝韦的固体结晶形式的方法,所述X射线粉末衍射图不包括在2.0至7.8°的范围内的2θ角的反射,并且优选地包括在2θ角 (8.1±0.2)°,(10.4±0.2)°,(12.4±0.2)°,(17.3±0.2)°,(19.4±0.2)°,当在15至25℃的温度下测量时, 具有波长0.15419nm的Cu-Kalpha1,2辐射,包括(i)提供结晶形式的沙夫布韦,假结晶形式,无定形形式或两种或更多种这些形式的混合物; (ii)制备包含(i)中提供的sofosbuvir的混合物和包含至少一种具有4至8个碳原子的酮和任选的至少一种非质子非 - 酮有机溶剂的溶剂体系; (iii)使(ii)中得到的混合物经溶剂介导的转化条件,在其母液中获得沙夫丝虫的固体结晶形式。 此外,提供了包含固体结晶形式7和至少一种具有4至8个碳原子的酮作为稳定剂的组合物。 还提供了制备所述组合物的方法。 另外,制备具有X射线粉末衍射图的固体结晶形式的方法,所述X-射线粉末衍射图不包含在2.0至7.8°范围内的2θ角处的反射,并且优选地包括在2θ角处的反射( 8.1±0.2)°,(10.4±0.2)°,(12.4±0.2)°,(17.3±0.2)°,(19.4±0.2)0,溶剂系统包含至少一个具有9个碳原子的酮和至少一个 提供不含甲苯的非质子非 - 酮有机溶剂。