.beta.-lactam antibiotics, processes for their preparation...

Details .beta.-lactam antibiotics, processes for their preparation... .beta.-lactam antibiotics, processes for their preparation...

C - Chemistry, Metallurgy

07

D

260/104, 260/114

C07D 499/58 (2006.01) C07D 277/20 (2006.01) C07D 499/00 (2006.01) C07D 501/24 (2006.01) C07F 7/08 (2006.01)

Patent

CA 1222507

.beta.-Lactam antibiotics, processes for their preparation and agents which contain these compounds ABSTRACT OF THE DISCLOSURE Antibiotically active penicillins and cephalosporins of the formula Image in which Z is hydrogen or lower alkoxy, n is 1 or 2, Y, in the form of the free acid, is Image or Image X is -S-, -n-, -SO- or -SO2-, T is an organic radical, hydrogen or halogen, Le A 21 714 A is hydroxyl, optionally substituted alkyl, a substituted or unsubstituted phenyl ring, an optionally substituted polycyclic aromatic ring, an optionally substituted 5-membered or 6-membered heterocyclic ring with nitrogen, oxygen and/or sulphur as hetero atoms in the ring, or an optionally substituted polycyclic heterocyclic ring, or non-toxic pharmaceutically tolerated salts thereof. Le A 21 714

431600

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