Process for preparation of cephalosporin antibiotic

The present invention provides an anhydrous acylation process for the preparation of antibiotic, cefepime dihydrochloride hydrate which is substantially free of the anti-isomer and the DELTA isomer comprising the N-acylation of a silylated derivative of 7-amino-3-[(1-methyl-1-pyrrolidinio)-methyl]ce...

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Bibliographic Details
Main Authors GARY M. F. LIM, E. A. GAROFALO, J. M. ROUBIE
Format Patent
LanguageEnglish
Published 03.12.1997
Edition6
Subjects
CHEMISTRY
HETEROCYCLIC COMPOUNDS
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
METALLURGY
ORGANIC CHEMISTRY
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS
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Summary:The present invention provides an anhydrous acylation process for the preparation of antibiotic, cefepime dihydrochloride hydrate which is substantially free of the anti-isomer and the DELTA isomer comprising the N-acylation of a silylated derivative of 7-amino-3-[(1-methyl-1-pyrrolidinio)-methyl]ceph-3-em-4-carboxylate with the syn-isomer of 2-(2-aminothiazol-4-yl)-2-methoxyimino acetyl chloride hydrochloride.
Bibliography:Application Number: CN19921010242