METHOD OF PREPARING 7-(5-AMINO-5-CARBOXYVALERAMIDO)-7-METHOXY-3-(1-METHYL-1H-TETRAZOL-5-YL)THIOMETHYL-DELTA-3-CEPHEM-4-CARBOXYLIC ACID OR ITS ALKALINE METALSALTS

PURPOSE:7-Methoxycephalosporins of the formula II (R is heterocyclic thiols of the formula I, e.g. residue of 5-mercapto-1,3,4-thiadiazole-2-thioacetic acid of the formula III, or 5-mercapto-1-methyl-1H-tetrazol of the formurla IV).

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Bibliographische Detailangaben
Hauptverfasser:	SUITI TAKAMURA,JP, SUNITI VATANABE,JP, KHIROSI YAMAGUTI,JP, KHIROSI GUSIMA,JP, ISAO TAKAKHASI,JP, TOSIYAKI MIESI,JP, ESIKHIKO OKA,JP, KEJSUKE MURAKAMI,JP, TAKESI SAITO,JP, KIESI SUSAKI,JP, TAKASI OSONO,JP, TOSIO SASAKI,JP
Format:	Patent
Sprache:	eng
Schlagworte:	BEER BIOCHEMISTRY CHEMISTRY ENZYMOLOGY FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIREDCHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERSFROM A RACEMIC MIXTURE HETEROCYCLIC COMPOUNDS HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE METALLURGY MICROBIOLOGY MUTATION OR GENETIC ENGINEERING ORGANIC CHEMISTRY PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS SPIRITS VINEGAR WINE
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Beschreibung
Zusammenfassung:	PURPOSE:7-Methoxycephalosporins of the formula II (R is heterocyclic thiols of the formula I, e.g. residue of 5-mercapto-1,3,4-thiadiazole-2-thioacetic acid of the formula III, or 5-mercapto-1-methyl-1H-tetrazol of the formurla IV).