CEFALOSPORINE E PROCESSO PER LALORO PREPARAZIONE

The present invention relates to cephalosporins of the formula wherein R represents an aromatic or hetero aromatic group, R and R represents optionally substituted alkyl, aryl, or aralkyl, a heterocyclic group, or a group of the formula -OR , wherein R represents hydrogen, a salt forming cation opti...

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Bibliographische Detailangaben
Hauptverfasser:	POUL BORREVANG, HENNING BORGE PETERSEN, TETSURO KOMIYAMA
Format:	Patent
Sprache:	ita
Schlagworte:	ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM CHEMISTRY 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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Beschreibung
Zusammenfassung:	The present invention relates to cephalosporins of the formula wherein R represents an aromatic or hetero aromatic group, R and R represents optionally substituted alkyl, aryl, or aralkyl, a heterocyclic group, or a group of the formula -OR , wherein R represents hydrogen, a salt forming cation optionally substituted alkyl, aryl, or aralkyl, or a heterocyclic group, or R and/or R represent(s) a group of the formula -NR R , wherein R and R represents hydrogen, optionally substituted alkyl or aryl or a cycloalkyl group, or R and R form a heterocyclic ring, or R and R form a heterocyclic ring, R represents hydrogen, a salt forming cation, or an ester forming group, and R repre-sents hydrogen, acyloxy, carbamoyloxy, optionally substituted pyridyl, or a group of the formula -SR , wherein R represents alkyl or a heterocyclic group, and salts thereof. The above cephalosporins show antibiotic properties.