申请人:Zhu Jianqiang
公开号:US09029420B2
公开(公告)日:2015-05-12
Agomelatine crystal, which is a drug for treating depression, and pharmaceutical compositions thereof are provided. The X-ray powder diffraction spectra of such agomelatine crystal, which is irradiated by Cu-Kα and showed by 2θ(degree), has characteristic diffraction peaks at 12.84, 13.84, 16.14, 18.56, 19.12, 20.86, 21.20, 23.84; its IR absorption pattern has characteristic absorption peaks at about 3234, 3060, 2940, 1638, 1511, 1436, 1249, 1215, 1184, 1032, 908, 828, 755, 588 cm-1, and its DSC endothermic transition temperature is 97.6° C. The use of the agomelatine crystal as an active ingredient in preparing a medicament for the treatment of depression is also provided.
提供了用于治疗抑郁症的阿戈美拉汀晶体及其制药组合物。这种阿戈美拉汀晶体通过Cu-Kα辐照并在2θ(度)下显示,具有特征衍射峰,分别为12.84、13.84、16.14、18.56、19.12、20.86、21.20、23.84;其红外吸收图谱具有特征吸收峰,分别约为3234、3060、2940、1638、1511、1436、1249、1215、1184、1032、908、828、755、588 cm-1,其DSC吸热转变温度为97.6℃。还提供了将阿戈美拉汀晶体用作制备治疗抑郁症药物的活性成分的用途。