申请人:Xuanzhu Pharma Co., Ltd.
公开号:US10633364B2
公开(公告)日:2020-04-28
The invention relates to Crystal form I and Crystal form II of dihydrochloride of N-(4-((3-chloro-4-fluorophenyl)amino)-7-((7-methyl-7-azaspiro[3.5]nonan-2-yl)methoxy)quinazolin-6-yl)acrylamide represented by the following Formula (I), and preparation methods therefor, wherein the Crystal form I has an X-ray powder diffraction pattern having characteristic peaks at the 2θ positions of 6.0±0.2°, 7.3±0.2°, 11.7±0.2°, 12.9±0.2°, 18.4±0.2°, 24.7±0.2°, and 26.3±0.2°, as determined by using Cu-Kα radiation, and the Crystal form II has an X-ray powder diffraction pattern having characteristic peaks at the 2θ positions of 5.0±0.2°, 7.0±0.2°, 10.1±0.2°, 17.0±0.2°, 26.0±0.2°, and 26.5±0.2°, as determined by using Cu-Kα radiation.
本发明涉及由下式(I)表示的N-(4-((3-氯-4-氟苯基)氨基)-7-((7-甲基-7-氮杂螺[3.5]壬烷-2-基)甲氧基)喹唑啉-6-基)丙烯酰胺的二盐酸盐的晶体形式I和晶体形式II及其制备方法,其中晶体形式I的X射线粉末衍射图谱在2θ位置具有特征峰6.0±0.2°、7.0±0.2°、10.1±0.2°、17.0±0.2°、26.0±0.2°和26.5±0.2°的特征峰。