申请人:Kushida Ikuo
公开号:US20090048448A1
公开(公告)日:2009-02-19
The invention provides crystals of dihydrochloride monohydrate of the compound of the following formula having an Aβ production inhibiting effect which crystals are characterized by exhibiting a diffraction peak at an angle of diffraction (2θ±0.2°) of 10.9° in powder X-ray diffractometry. Further, the invention also provides the compound in the form of various salts, crystal forms and amorphous forms which are suitable for the development of drugs.
本发明提供了一种具有Aβ产生抑制作用的以下化合物的二盐酸一水合物晶体,该晶体的特征是在粉末X射线衍射测定中,以(2θ±0.2°)为衍射角度,出现10.9°的衍射峰。此外,本发明还提供了适用于药物开发的各种盐类、晶体形式和非晶态形式的该化合物。