PROCESS FOR PREPARATION OF CEPHEM DERIVATIVES AND INTERMEDIATES THEREFOR

PROCESS FOR PREPARATION OF CEPHEM DERIVATIVES AND INTERMEDIATES THEREFOR

A compound represented by the following formula: wherein R6 means an amino group or an amino group blocked by a protecting group, and A2 denotes a group represented by the following formula:    a compound obtained by blocking -COO- of the first-mentioned compound with a protecting group, or a salt t...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: TOSHIHIKO NAITO, TAKASHI KAMIYA, YUUKI KOMATU
Format: Patent
Sprache:eng
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:A compound represented by the following formula: wherein R6 means an amino group or an amino group blocked by a protecting group, and A2 denotes a group represented by the following formula:    a compound obtained by blocking -COO- of the first-mentioned compound with a protecting group, or a salt thereof. The compound can be used as an intermediate for a drug having antibacterial activity.