Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GB39459/64Aexternal-prioritypatent/GB1074331A/en
Priority claimed from GB432665Aexternal-prioritypatent/GB1077787A/en
Application filedfiledCritical
Publication of BE670219ApublicationCriticalpatent/BE670219A/fr
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
Landscapes
Chemical & Material Sciences
(AREA)
Organic Chemistry
(AREA)
Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
Nouveaux dérivés de céphalosporines substitués en position 3 par un groupe hétérocycle thiométhyl, procédé de préparation desdits composés et compositions pharmaceutiques en contenant