(19)
(11) EP 1 420 781 A2

(12)

(88) Date of publication A3:
22.05.2003

(43) Date of publication:
26.05.2004 Bulletin 2004/22

(21) Application number: 02761550.9

(22) Date of filing: 29.08.2002
(51) International Patent Classification (IPC)7A61K 31/40, A61K 31/44, C07D 207/06, C07D 207/20, C07D 207/26, C07D 401/04, A61P 25/04, C07D 207/22, C07D 209/96
(86) International application number:
PCT/US2002/027936
(87) International publication number:
WO 2003/018004 (06.03.2003 Gazette 2003/10)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 29.08.2001 US 315530 P

(71) Applicant: Endo Pharmaceuticals Inc.
Chadds Ford, PA 19317 (US)

(72) Inventors:
  • SMITH-CARLISS, Richard
    Westchester, PA 19382 (US)
  • CARUSO, Frank S.
    Colts Necks, NJ 07722-1300 (US)
  • CROOKS, Peter,c/o University of Kentucky
    Lexington, KY 40536-0082 (US)
  • KELLAR, Kenneth J.
    Bethesda, MD 20817 (US)
  • XIAO, Yingxian
    Potomac, MD 20854 (US)

(74) Representative: Buckley, Guy Julian et al
The Burwood Corporation LimitedThe Glassmill1 Battersea Bridge Road
London SW11 3BG
London SW11 3BG (GB)

   


(54) ANALGETIC PYRROLINE DERIVATIVES