7-acetoacetamidocephem compounds

Abstract From the Canadian patent

Abstract of the Disclosure Novel compounds of the formula:, wherein X is a lower alkanoyloxy group or a substituted thio group, where the substituent is a nitrogen-containing heterocyclic group, or a pharmaceutically acceptable salt or ester thereof, have a broad antimicrobial spectrum and, besides they are readily absorbed into the living body. Thus the compounds are useful as therapeutic agents for various bacterial infections of animals including human beings. - 1 -