BETA-LACTAM ANTIBIOTICS,PROCESSES FOR THEIR PREPARATION AND AGENTS CONTAINING THEM

beta -Lactam antibiotics of the formula in which A is a hydrogen atom, an optionally substituted alkyl, alkenyl, alkinyl or cycloalkyl group, a substituted or unsubstituted phenyl ring, a polycyclic aromatic ring or an optionally substituted heterocyclic 5-membered or 6-membered ring with 1 to 4 het...

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Bibliographische Detailangaben
Hauptverfasser: METZGER KARL GEORG, BOBERG MICHAEL
Format: Patent
Sprache:eng
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Zusammenfassung:beta -Lactam antibiotics of the formula in which A is a hydrogen atom, an optionally substituted alkyl, alkenyl, alkinyl or cycloalkyl group, a substituted or unsubstituted phenyl ring, a polycyclic aromatic ring or an optionally substituted heterocyclic 5-membered or 6-membered ring with 1 to 4 hetero-atoms, Y is X is a sulphur or oxygen atom, T is an organic radical, and Z is a hydrogen atom or a C1 to C6 alkoxy group, or an ester or salt thereof.