The present invention provides a crystalline form of FLT3 kinase inhibitor or its salt and a preparation method thereof, and in particular, (R) 1 (3 (4 amino (4 phenylphenoxyphenyl) 4 phenylphenoxyphenyl) 1H pyrazozopyrazozozozozozopyrimrimrimrimrimrimine 1 1 1 1 1 1 2 (dimethylamino) ethyl ketone or its monohalhalhalogenate or dichalhalhalogenate monohalhalogenate or dichalhalhalAnd their preparation methods. According to the present invention, the crystalline forms A and B of the compound and the crystalline forms C, D and E of its monohalate or dihalate have good stability to oxidation, light, high temperature and high humidity conditions, and good solubility in water.
【技术实现步骤摘要】
【国外来华专利技术】PCT国内申请,说明书已公开。
【技术保护点】
PCT国内申请,权利要求书已公开。
【技术特征摘要】
【国外来华专利技术】PCT国内申请,...
【专利技术属性】
技术研发人员:张善春,方绪军,曹杰永,谢琼霞,程开生,
申请(专利权)人:合肥合源药业有限公司,
类型:发明
国别省市:安徽,34
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