(19)
(11) EP 1 178 992 A2

(12)

(88) Date of publication A3:
08.02.2001

(43) Date of publication:
13.02.2002 Bulletin 2002/07

(21) Application number: 00969048.8

(22) Date of filing: 05.05.2000
(51) International Patent Classification (IPC)7C07D 501/34, C07D 501/18, C07D 417/12
(86) International application number:
PCT/IB0000/585
(87) International publication number:
WO 0068/234 (16.11.2000 Gazette 2000/46)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 07.05.1999 US 307010

(71) Applicant: Ranbaxy Laboratories, Limited
New Delhi 110 019, Maharashtra (IN)

(72) Inventors:
  • KUMAR, Yatendra
    Gurgaon 122 011,Haryana (IN)
  • ARORA, Rakesh, Kumar
    Gurgaon 122 001,Haryana (IN)
  • SINGH, Kaptan
    Sahibabad 201 005,Uttar Pradesh (IN)
  • NIZAR, Hashim
    New Delhi 110 058,Maharashtra (IN)
  • DE, Shantanu
    New Delhi 110 070,Maharashtra (IN)
  • KHANNA, Jag, Mohan
    Gurgaon 122 001,Haryana (IN)

(74) Representative: Cronin, Brian Harold John et al
CRONIN Intellectual Property Route de Clémenty 62
1260 Nyon
1260 Nyon (CH)

   


(54) PROCESS FOR THE PREPARATION OF CEFPODOXIME ACID