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US 5,849,752 AGranted
Crystal modification of CDCH a process for its preparation and pharmaceutical formulations comprising this modification
AssigneeBayer Aktiengesellschaft
InventorsAlfons Grunenberg, Patrick Bosche
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Abstract
The invention relates to the new monohydrate of 1-cyclopropyl-7-(S,S!-2,8-diazabicyclo-4.3.0!non-8-yl)6-fluoro-1,4-dihyd ro-8-methoxy-4-oxo-3-quinolinecarboxylic acid hydrochloride (CDCH), a process for its preparation and pharmaceutical formulations which comprise this monohydrate as the active compound.
Claims10
Monohydrate of CDCH, of the formula ##STR2## which has a characteristic peak at 168.1 ppm in the .sup.13 C-NMR spectrum and a band at 2.THETA.=26.7 in the X-ray diffractogram.
Dependencies are inferred from the claim text.