(19)
(11) EP 0 918 769 A1

(12)

(43) Date of publication:
02.06.1999 Bulletin 1999/22

(21) Application number: 97929403.0

(22) Date of filing: 01.07.1997
(51) International Patent Classification (IPC): 
A61K 31/ 497( . )
A61K 31/ 506( . )
A61P 31/ 04( . )
C07D 413/ 14( . )
A61K 31/ 501( . )
A61K 31/ 53( . )
C07D 413/ 12( . )
(86) International application number:
PCT/GB1997/001767
(87) International publication number:
WO 1998/001446 (15.01.1998 Gazette 1998/02)
(84) Designated Contracting States:
CH DE FR GB IT LI

(30) Priority: 06.07.1996 GB 19960014238

(71) Applicant: ZENECA LIMITED
London W1Y 6LN (GB)

(72) Inventors:
  • BETTS, Michael, John
    Macclesfield Cheshire SK10 4TG (GB)
  • MIDGLEY, Catherine, Jane
    Macclesfield Cheshire SK10 4TG (GB)

(74) Representative: Denerley, Paul Millington, Dr., et al 
Intellectual Property Department ZENECA Pharmaceuticals Mereside Alderley Park
Macclesfield, Chesire SK10 4TG
Macclesfield, Chesire SK10 4TG (GB)

   


(54) SUBSTITUTED PIPERAZINYL-PHENYL-OXAZOLIDINONE DERIVATIVES AND THEIR USE AS ANTI-BACTERIAL AGENTS