PROCESS FOR PREPARING PENICILLINE ESTERS

The present invention relates to hitherto unknown compounds of the general formula I: I in which R1 stands for a phenyl, 4-hydroxyphenyl, 1,4-cyclohexadienyl or a 3-thienyl group; R2 represents a primary amino or a carboxy group; R3 is a hydrogen atom, or a lower alkyl, aryl or aralkyl radical, and...

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Bibliographische Detailangaben
Hauptverfasser:	GODTFREDSEN,WAGN,O.,DK, VON,DAEHNE,WOLF,DK
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY HETEROCYCLIC COMPOUNDS HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE METALLURGY ORGANIC CHEMISTRY PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
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Beschreibung
Zusammenfassung:	The present invention relates to hitherto unknown compounds of the general formula I: I in which R1 stands for a phenyl, 4-hydroxyphenyl, 1,4-cyclohexadienyl or a 3-thienyl group; R2 represents a primary amino or a carboxy group; R3 is a hydrogen atom, or a lower alkyl, aryl or aralkyl radical, and A stands for a radical of a beta -lactamase inhibitor containing a beta -lactam ring as well as a carboxy group, A being connected via the carboxy group. The present invention provides new compounds useful in the treatment of bacterial infections. The new compounds are in particular strongly active against beta -lactamase producing bacteria.