Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Patent
1987-07-06
1991-09-03
Shah, Mukund J.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
514249, 514291, 544349, 546 80, 546156, A61K 3147, C07D47104, C07D51304
Patent
active
050455494
ABSTRACT:
New 4-Pyridone derivatives of General Formula are claimed ##STR1## in which R.sub.1 is methylamino,4-fluorophenyl, 2,4-difluorophenyl, R.sub.2 is hydrogen or a sulfur atom that is joined to the ring nitrogen by an ethylene bride, X is a hydrogen or a physiologically removable ester group and Y is a base of the general formula ##STR2## In formula IIa and IIb, R.sub.3 is hydrogen, lower alkyl, benzyl, formyl, acetonyl or a moiety of the formula ##STR3## Also claimed are the addition salts of compounds of formula I with pharmaceutically acceptable inorganic or organic acids or base and/or their hydrates. Also claimed are the methods of manufacture of compounds of formula I and their use as antibacterial agents.
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Baumann Karl
Jordis Ulrich
Rudolf Manfred
Sauter Fritz
Wieser Josef
Bernhardt E.
Chemie Linz Gesellschaft m.b.H.
Shah Mukund J.
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