Levofloxacin has been purified by dissolving levofloxacin in a polar solvent at an elevated temperature and crystallizing purified levofloxacin. Preferably, an antioxidant is added to increase the purity.
申请公布号
WO03028665(A3)
申请公布日期
2003.11.20
申请号
WO2002US31851
申请日期
2002.10.03
申请人
TEVA PHARMACEUTICAL INDUSTRIES LTD.;TEVA PHARMACEUTICALS USA, INC.;NIDDAM-HILDESHEIM, VALERIE;GERSHON, NEOMI;SCHWARTZ, EDUARD
发明人
NIDDAM-HILDESHEIM, VALERIE;GERSHON, NEOMI;SCHWARTZ, EDUARD