Title:
PROCESS FOR THE PREPARATION OF CEFTIOFUR ACID
Document Type and Number:
WIPO Patent Application WO2003093278
Kind Code:
A3
Abstract:
The present invention relates to a new method for the preparation of Ceftiofur acid of formula (I), its pharmaceutically acceptable salt such as sodium or hydrochloride and also provides two new intermediates of formulae (V) and (VI) wherein X represents halogen atom such as chlorine or bromine and R represents p-methoxybenzyl, p-nitrobenzyl or diphenylmethyl group.
Inventors:
LUTHRA PRAVEN KUMAR (IN)
SATHE PRATIK RAMESH (IN)
SUNDARAVADIVELAN SIVAKUMARAN (IN)
GANESH PRAVEEN NAGESH (IN)
SATHE PRATIK RAMESH (IN)
SUNDARAVADIVELAN SIVAKUMARAN (IN)
GANESH PRAVEEN NAGESH (IN)
Application Number:
PCT/IB2002/003065
Publication Date:
April 08, 2004
Filing Date:
August 02, 2002
Export Citation:
Assignee:
ORCHID CHEMICALS & PHARM LTD (IN)
DESHPANDE PANDURANG BALWANT (IN)
LUTHRA PRAVEN KUMAR (IN)
SATHE PRATIK RAMESH (IN)
SUNDARAVADIVELAN SIVAKUMARAN (IN)
GANESH PRAVEEN NAGESH (IN)
DESHPANDE PANDURANG BALWANT (IN)
LUTHRA PRAVEN KUMAR (IN)
SATHE PRATIK RAMESH (IN)
SUNDARAVADIVELAN SIVAKUMARAN (IN)
GANESH PRAVEEN NAGESH (IN)
International Classes:
C07D501/00; C07D501/14; C07D501/36; (IPC1-7): C07D501/00
Foreign References:
| EP0030294A2 | 1981-06-17 | |||
| US4902683A | 1990-02-20 |
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