57.
    发明专利
    未知

    公开(公告)号:SE7802853L

    公开(公告)日:1978-09-13

    申请号:SE7802853

    申请日:1978-03-13

    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.

    58.
    发明专利
    未知

    公开(公告)号:SE390538B

    公开(公告)日:1976-12-27

    申请号:SE491272

    申请日:1972-04-14

    Applicant: HOECHST AG

    Abstract: Acylaminocephalosporanic acids of the formula I wherein R1, R2 and R3 each represents hydrogen or lower alkyl radicals in which case R1 and R2 may also form together an optionally substituted alkylene radical, A represents an optionally substituted phenylene or thienyl radical, and X represents an oxygen atom or a single bond, the physiologically tolerable salts thereof, pharmaceutical preparations effective against bacterial infections containing these compounds, and a process for the manufacture.

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