(19)
(11) EP 0 874 633 A1

(12)

(43) Date of publication:
04.11.1998 Bulletin 1998/45

(21) Application number: 96935143.0

(22) Date of filing: 31.10.1996
(51) International Patent Classification (IPC): 
A23K 1/ 16( . )
A61K 31/ 535( . )
A61K 31/ 5395( . )
A61P 31/ 04( . )
A61K 31/ 00( . )
A61K 31/ 537( . )
A61P 31/ 00( . )
C07D 498/ 06( . )
(86) International application number:
PCT/GB1996/002673
(87) International publication number:
WO 1997/025991 (24.07.1997 Gazette 1997/32)
(84) Designated Contracting States:
AT BE CH DE DK ES FI FR GB GR IE IT LI LU NL PT SE

(30) Priority: 17.01.1996 GB 19960000888

(71) Applicant: PFIZER INC.
New York, N.Y. 10017 (US)

(72) Inventors:
  • DORGAN, Roderick John, Pfizer Limited
    Sandwich, Kent CT13 9NJ (GB)
  • WEBSTER, Richard Andrew Bentley, Pfizer Limited
    Sandwich, Kent CT13 9NJ (GB)

(74) Representative: Stevens, Ian Edward, et al 
Stevens, Hewlett & Perkins, 1 St. Augustine's Place
Bristol BS1 4UD
Bristol BS1 4UD (GB)

   


(54) ESTERS OF (9-FLUORO-3-METHYL-10-(4-METHYL-1-PIPERAZINYL)-7-OXO-2,3-DIHYDRO-7H-PYRIDO[3,2,1,IJ]-1,3,4-BENZOAXADIAZINE-6-CARBOXYLIC ACID) AND THEIR USE AS ANTIBACTERIAL