75.
    发明专利
    未知

    公开(公告)号:FI780757A

    公开(公告)日:1978-09-13

    申请号:FI780757

    申请日:1978-03-09

    Applicant: HOECHST AG

    Abstract: Cephem derivatives of the formula in which R1 denotes hydrogen or low-molecular alkoxy, R2 denotes hydrogen, optionally substituted alkyl, phthalide or a cation, X denotes sulfur, oxygen or CH2 and A denotes hydrogen, alkoxy, halogen or a group -CH2Y, in which Y represents hydrogen, acyloxy, alkoxy, optionally substituted carbamoyloxy or a group -SR3, in which R3 can represent acyl, alkyl or an optionally substituted 5-membered or 6-membered heterocyclic structure are disclosed as valuable antibiotics which are well suited for combating Gram-positive and in particular Gram-negative infections and also have an unexpectedly good action against penicillinase-forming staphylococci.

Patent Agency Ranking