Herstellung eines Cephalosporin-Antibiotikums unter Verwendung des Syn-Isomers einer Thiazolylzwischenverbindung

The present invention provides an aqueous 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 7-amino-3-[(1-methyl-1-pyrrolidinio)-methyl]ceph-3-em-4-carboxylate with t...

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Bibliographic Details
Main Authors LIM, GARY M.F, ROUBIE, JOHN M
Format Patent
LanguageGerman
Published 26.02.2004
Edition7
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 aqueous 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 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: DE19926033042T