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Application filed by Sumitomo Chemical CofiledCriticalSumitomo Chemical Co
Priority to AT243074ApriorityCriticalpatent/AT339477B/de
Priority to AT79976Aprioritypatent/AT344895B/de
Publication of ATA243074ApublicationCriticalpatent/ATA243074A/de
Application grantedgrantedCritical
Publication of AT339477BpublicationCriticalpatent/AT339477B/de
C07D499/00—Heterocyclic compounds containing 4-thia-1-azabicyclo [3.2.0] heptane ring systems, i.e. compounds containing a ring system of the formula:, e.g. penicillins, penems; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring
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Chemical & Material Sciences
(AREA)
Organic Chemistry
(AREA)
Cephalosporin Compounds
(AREA)
AT243074A1974-03-251974-03-25Verfahren zur herstellung von cephalosporansaurederivaten
AT339477B
(de)