(19)
(11) EP 1 651 627 A2

(12)

(88) Date of publication A3:
07.04.2005

(43) Date of publication:
03.05.2006 Bulletin 2006/18

(21) Application number: 04743966.6

(22) Date of filing: 15.07.2004
(51) International Patent Classification (IPC): 
C07D 305/12(1985.01)
(86) International application number:
PCT/IB2004/002305
(87) International publication number:
WO 2005/005403 (20.01.2005 Gazette 2005/03)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR

(30) Priority: 15.07.2003 IN DE09002003

(71) Applicant: Ranbaxy Laboratories Limited
Haryana 122001, Delhi (IN)

(72) Inventors:
  • KUMAR, Yatendra
    Gurgaon, Haryana 122001 (IN)
  • PRASAD, Mohan
    Gurgaon, Haryana 122001 (IN)
  • DEO, Keshav
    Gurgaon, Haryana 122001 (IN)
  • PANDEY, Anand
    Uttar Pradesh 230128 (IN)
  • PATEL, Kilol
    Junagadh (Gujarat) 362001 (IN)

(74) Representative: Gilholm, Stephen Philip 
Ranbaxy Laboratories Limited Intellectual Property Department 20 Balderton Street
London W1K 6TL
London W1K 6TL (GB)

   


(54) PROCESS FOR PREPARATION OF OXETAN-2-ONES