title: Synthesis of 7alpha-substituted cephalospofins. V4 Novel oxidation procedure for syntheses of 7alpha-methoxycephalosporins and 6alpha-methoxypenicillins.
mesh_terms: D001419:Bacteria / Q000187:drug effects; D002511:Cephalosporins / Q000138:chemical synthesis* / Q000494:pharmacology; D008722:Methods; D010084:Oxidation-Reduction; D010406:Penicillins / Q000138:chemical synthesis* / Q000494:pharmacology; D013211:Staphylococcus aureus / Q000187:drug effects
chemical_list: D002511:Cephalosporins; D010406:Penicillins