VERFAHREN ZUR HERSTELLUNG VON NEUEN, HETEROCYCLISCHEN ESSIGSAEUREN

VERFAHREN ZUR HERSTELLUNG VON NEUEN, HETEROCYCLISCHEN ESSIGSAEUREN

The invention relates to compounds of the general formula (X) (X) wherein R is as a removable protecting substituent of the amido group a phenyl group or a benzyl group substituted by one or more alkoxy group(s) having 1-4 carbon atoms and R1 stands for a hydrogen atom or an alkyl group having 1-4 c...

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Bibliographische Detailangaben
Hauptverfasser: NYITRAI JOZSEF DR, DOLESCHALL GABOR DR, LEMPERT KAROLY DR, SINIG GYULA DR, FETTER JOZSEF DR, HORNYAK GYULA DR, BERTHA FERENC, ZAUER KAROLY DR
Format: Patent
Sprache:ger
Schlagworte:
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:The invention relates to compounds of the general formula (X) (X) wherein R is as a removable protecting substituent of the amido group a phenyl group or a benzyl group substituted by one or more alkoxy group(s) having 1-4 carbon atoms and R1 stands for a hydrogen atom or an alkyl group having 1-4 carbon atoms and a process for the preparation thereof. The compounds of the general formula (X) can be prepared from the starting materials of the general formula (V), wherein R and R1 are as stated above and Z is an alkyl group having 1-4 carbon atoms. The compounds of the general formula (X) are useful pharmaceutical intermediates which can be used in the preparation of known antibiotics (e.g. Thienamycin and PS-5).