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Priority claimed from AT976273Aexternal-prioritypatent/AT331396B/de
Application filed by Fujisawa Pharmaceutical CofiledCriticalFujisawa Pharmaceutical Co
Priority to AT390275ApriorityCriticalpatent/AT331412B/de
Publication of ATA390275ApublicationCriticalpatent/ATA390275A/de
Application grantedgrantedCritical
Publication of AT331412BpublicationCriticalpatent/AT331412B/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
C07D499/04—Preparation
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Chemical & Material Sciences
(AREA)
Organic Chemistry
(AREA)
Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
AT390275A1973-11-211975-05-22Verfahren zur herstellung von neuen 2,3-niedrigalkylenpenam-3-carbonsaurederivaten
AT331412B
(de)