申请人:Eisai Co., Ltd.
公开号:EP1182204A1
公开(公告)日:2002-02-27
The present invention provides carbapenem hydrochloride monohydrate and trihydrate crystals, which are chemically stable, easily purified and useful as antimicrobial agents, a process for producing them, and a powdery charged preparation for injection comprising them. That is, it provides carbapenem hydrochloride monohydrate crystals having a powdery X-ray diffraction pattern containing lattice distances (d) of 5.2, 4.3 and 4.0 Å, carbapenem hydrochloride trihydrate crystals having a powdery X-ray diffraction pattern containing lattice distances (d) of 9.0, 4.1 and 2.8 Å, a process for producing them, and a powdery charged preparation for injection comprising them.
本发明提供了化学性质稳定、易于纯化且可用作抗菌剂的盐酸卡巴培南一水合物和三水合物晶体、其生产工艺以及包含它们的粉末状注射用带电制剂。也就是说,它提供了盐酸卡巴培南一水合物晶体(其 X 射线衍射图样呈粉末状,晶格间距(d)分别为 5.2、4.3 和 4.0 Å)、盐酸卡巴培南三水合物晶体(其 X 射线衍射图样呈粉末状,晶格间距(d)分别为 9.0、4.1 和 2.8 Å)、其生产工艺以及由它们组成的粉末状注射剂。