| Title:  Tosufloxacin CAS Registry Number:  100490-36-6 CAS Name:  7-(3-Amino-1-pyrrolidinyl)-1-(2,4-difluorophenyl)-6-fluoro-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic acid Manufacturers' Codes:  A-61827 Molecular Formula:  C19H15F3N4O3 Molecular Weight:  404.34 Percent Composition:  C 56.44%, H 3.74%, F 14.10%, N 13.86%, O 11.87% Literature References:  Trifluorinated quinolone antibacterial.  Prepn:  H. Narita et al., DE 3514076 (1985 to Toyama), C.A. 104, 129888r (1986); D. T. W. Chu, EP 153580; idem, US 4616019 (1985, 1986 both to Abbott); and activity:  idem et al., J. Med. Chem. 29, 2363 (1986); H. Narita et al., Yakugaku Zasshi 106, 802 (1986), C.A. 106, 196291v (1987).  In vitro activity studies of the base:  P. B. Fernandes et al., Antimicrob. Agents Chemother. 32, 27 (1988); and in vivo animal studies of the toluenesulfonate:  M. Takahata et al., J. Antimicrob. Chemother. 22, 143 (1988).  Series of articles on antibacterial activity and clinical evaluation:  Chemotherapy (Tokyo) 36, Suppl. 9, 1-1538 (1988).   Derivative Type:  Hydrochloride  CAS Registry Number:  104051-69-6 Manufacturers' Codes:  A-60969 Molecular Formula:  C19H15F3N4O3.HCl Molecular Weight:  440.80 Percent Composition:  C 51.77%, H 3.66%, F 12.93%, N 12.71%, O 10.89%, Cl 8.04% Properties:  Crystals from conc HCl-ethanol (1:3), mp 247-250° (dec). Melting point:  mp 247-250° (dec)   Derivative Type:  Toluenesulfonate  CAS Registry Number:  115964-29-9 Additional Names:  Tosufloxacin tosylate Manufacturers' Codes:  A-64730;  T-3262 Trademarks:  Ozex (Toyama);  Tosuxacin (Dainabot) Molecular Formula:  C19H15F3N4O3.C7H8O3S Molecular Weight:  576.54 Percent Composition:  C 54.16%, H 4.02%, F 9.89%, N 9.72%, O 16.65%, S 5.56% Properties:  Prepd as the monohydrate, mp 258-260°. Melting point:  mp 258-260°   Therap-Cat:  Antibacterial. Keywords:  Antibacterial (Synthetic); Quinolones and Analogs.  |