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 US00372313Aexternal-prioritypatent/US3856792A/en
Priority claimed from DK513478Aexternal-prioritypatent/DK513478A/da
Application filed by Upjohn CofiledCriticalUpjohn Co
Priority to DK487481ApriorityCriticalpatent/DK487481A/da
Publication of DK487481ApublicationCriticalpatent/DK487481A/da
7-alfa-alkoxy-7-beta-benzylidenamino-3-cephem-4-carboxylater til anvendelse som mellemprodukter ved fremstilling af 7-alfa-alkoxycephalosporiner og fremgangsmaade til fremstilling af carboxylaterne