Patent ID: 6413969
Filing Date: 2002-07-02
Classification: A61P,C07D

Abstract:
Crystalline gatifloxacin pentahydrate represented by the formula and characterized by single crystal parameters approximately equal to the following:Cell dimensions a = 9.339(1) angstromalpha = 106.55(2) degreesb = 13.556(3) angstrombeta = 91.93(1) degreesc = 9.269(l) angstromgamma = 100.44(1) degreesV = 1101.7(7) cubic angstromSpace group: P1 bar Triclinic Molecules/unit cell=2 Density (calculated) (g/cubic cm)=1.403, said crystalline gatifloxacin pentahydrate containing no detectable amounts of other gatifloxacin crystalline forms as determined by the powder x-ray diffraction technique.