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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Bibliographic Details
Main Authors GODTFREDSEN,WAGN,O.,DK, VON,DAEHNE,WOLF,DK
Format Patent
LanguageEnglish
Published 28.02.1984
Subjects
CHEMISTRY
HETEROCYCLIC COMPOUNDS
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
METALLURGY
ORGANIC CHEMISTRY
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
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Summary: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.
Bibliography:Application Number: HU19800000310