METHOD OF OBTAINING CEPHALOSPORIN DERIVATIVES OR THEIR SALTS WITH ALKALI METALS

Novel cephalosporin compounds of the general formula: wherein R1 represents a substituted or unsubstituted nitrogen-containing heterocyclic-thio group, R2 represents hydrogen or hydroxy, and R3, R4 and R5 each represents hydrogen, hydroxy or acyloxy, and their salts, and processes for the preparatio...

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Main Authors TAKEO KANAI,JP, SEJITIRO NOMOTO,JP, SIGETO NEGI,JP, KIOSUKE KITOKH,JP, ISAO SAJTO,JP, KANEMASA KATSU,JP, YUKIO OKHIA,JP, ESIMASA MATIDA,JP, TAKESU KAGASU,JP
Format Patent
LanguageEnglish
Published 07.12.1984
Edition3
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:Novel cephalosporin compounds of the general formula: wherein R1 represents a substituted or unsubstituted nitrogen-containing heterocyclic-thio group, R2 represents hydrogen or hydroxy, and R3, R4 and R5 each represents hydrogen, hydroxy or acyloxy, and their salts, and processes for the preparation thereof. The novel compounds and their salts have antibacterial activity.
Bibliography:Application Number: SU19813338648