Carbapenem compound crystals and injection preparations

C - Chemistry – Metallurgy – 07 – D

Patent

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Details

C07D 477/20 (2006.01) A61K 9/14 (2006.01) A61K 31/407 (2006.01) A61P 31/04 (2006.01)

Patent

CA 2375601

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 A, carbapenem hydrochloride trihydrate crystals having a powdery X-ray diffraction pattern containing lattice distances (d) of 9.0, 4.1 and 2.8 A, a process for producing them, and a powdery charged preparation for injection comprising them.

Cette invention se rapporte à des cristaux de monohydrates ou trihydrates d'hydrochlorures de composés de carbapenem, utiles comme agents antibactériens qui sont chimiquement stables et faciles à purifier; à des procédés de production de ces cristaux; et à des préparations pulvérulentes injectables, fabriquées par compactage de ces cristaux. Cette invention se rapporte plus spécifiquement à des cristaux de monohydrates d'hydrochlorures de composés de carbapenem ayant des diagrammes de diffraction des rayons X sur poudre contenant des espacements (d) de 5,2, 4,3 et 4,0 ANGSTROM , et à des cristaux de trihydrates d'hydrochlorures de composés de carbapenem ayant des diagrammes de diffraction de rayons X contenant des espacements (d) de 9,0, 4,1 et 2,8 ANGSTROM ; à des procédés de production de ces cristaux; et à des préparations pulvérulentes injectables, fabriquées par compactage de ces cristaux.

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