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 CH964074Aexternal-prioritypatent/CH617702A5/de
Priority claimed from AT784874Aexternal-prioritypatent/AT333427B/de
Application filed by Ciba Geigy AgfiledCriticalCiba Geigy Ag
Priority to AT712875ApriorityCriticalpatent/AT333435B/de
Publication of ATA712875ApublicationCriticalpatent/ATA712875A/de
Application grantedgrantedCritical
Publication of AT333435BpublicationCriticalpatent/AT333435B/de
Process for the preparation of 6- beta -acylamino-6- alpha -methoxy-penam-3-carboxylic acid compounds and 7- beta -acylamino-7- alpha -methoxy-3-cephem-4-carboxylic acid compounds