| Title:  Gemifloxacin CAS Registry Number:  175463-14-6 CAS Name:  7-[3-(Aminomethyl)-4-(methoxyimino)-1-pyrrolidinyl]-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic acid Manufacturers' Codes:  SB-265805;  LB-20304 Molecular Formula:  C18H20FN5O4 Molecular Weight:  389.38 Percent Composition:  C 55.52%, H 5.18%, F 4.88%, N 17.99%, O 16.44% Literature References:  Third generation fluorinated quinolone antibacterial.  Prepn:  J. H.  Kwak et al., EP 688772; C. Y. Hong et al., US 5633262 (1995, 1997 both to LG Chemical); C. Y. Hong et al., J. Med. Chem. 40, 3584 (1997).  Antibacterial spectrum in vitro:  R. Wise, J. M. Andrews, J. Antimicrob. Chemother. 44, 679 (1999).  HPLC-tandem MS determn in human plasma:  E. Doyle et al., J. Chromatogr. B 746, 191 (2000).  Clinical pharmacokinetics:  A. Allen et al., Antimicrob. Agents Chemother. 44, 1604 (2000).  Review of antibacterial activity, pharmacology, and clinical trials:  J. M. Blondeau, B. Missaghi, Expert Opin. Pharmacother. 5, 1117-1152 (2004). Properties:  Off-white, amorphous solid from chloroform-ethanol, mp 235-237°. Melting point:  mp 235-237° Therap-Cat:  Antibacterial. Keywords:  Antibacterial (Synthetic); Quinolones and Analogs.  |