Abstract:
The present invention relates to the novel anhydrous crystalline forms I and II of 1-cyclopropyl-6-fluoro-8-methoxy-7-(3-methyl-1-piperazinyl)4-oxo-1, 4-dihydroquinoline-3-carboxylic acid (gatifloxacin) which can be depicted as Formula (I). The present invention also relates to methods of making the anhydrous Forms I and II of Gatifloxacin, use of the forms and methods for preparing them.
Abstract:
A new crystalline Form III of moxifloxacin monohydrochloride and processes for making the crystalline form as well as compositions, pharmaceutical compositions, and methods utilizing the crystalline form are described.