Microcrystal
    1.
    发明授权
    Microcrystal 有权
    微晶

    公开(公告)号:US07541363B2

    公开(公告)日:2009-06-02

    申请号:US10554511

    申请日:2004-05-07

    IPC分类号: C07D473/06 A61K31/522

    CPC分类号: C07D473/06

    摘要: Microcrystals of (E)-8-(3,4-dimethoxystyryl)-1,3-diethyl-7-methyl-3,7-dihydro-1H-purine-2,6-dione having an average particle size of less than 50 μm; microcrystals of (E)-8-(3,4-dimethoxystyryl)-1,3-diethyl-7-methyl-3,7-dihydro-1H-purine-2,6-dione having an average particle size of less than 50 μm and a crystallinity of 20% or more or the like, which possess excellent solubility, stability, bioavailability, dispersing property in a pharmaceutical formulation; and the like are provided. A solid pharmaceutical formulation which is characterized by comprising the same is also provided.

    摘要翻译: 平均粒径小于50埃的(E)-8-(3,4-二甲氧基苯乙烯基)-1,3-二乙基-7-甲基-3,7-二氢-1H-嘌呤-2,6-二酮的微晶 妈妈 (E)-8-(3,4-二甲氧基苯乙烯基)-1,3-二乙基-7-甲基-3,7-二氢-1H-嘌呤-2,6-二酮的微晶,平均粒径小于50 具有优异的溶解性,稳定性,生物利用度,药物配方中的分散性的20%以上的结晶度等。 等等。 还提供了其特征在于包含其的固体药物制剂。