2-Isocephems and 2-oxa-isocephems, process for their preparation and their application as and in medicines

摘要

The invention relates to beta -lactam compounds of the general formula (I) IMAGE in which the substituents X, R1, R2, R3, R4 and R5 have the meaning given in the description, a process for their preparation and their application as medicines and in medicines, in particular as orally active antibiotics.