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Claims for Patent: 5,607,942

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Claims for Patent: 5,607,942

Title: 7-(1-pyrrolidinyl)-3-quinolone- and - naphthyridone-carboxylic acid derivatives as antibacterial agents and feed additives
Abstract:7-(1-Pyrrolidinyl)-3-quinolone- and -naphthyridone-carboxylic acid derivatives as antibacterial agents and feed additives, of the formula ##STR1## in which X.sup.1 is halogen, X.sup.2 is hydrogen, halogen, amino or other radical, R.sup.1 is alkyl, cycloalkyl, optionally substituted phenyl or other radical, R.sup.2 is hydrogen, alkyl or a dioxolylmethyl radical, R.sup.3 is ##STR2## and A is N, CH, C-halogen, or the like, or forms a bridge with R.sup.1, and addition products thereof.
Inventor(s): Petersen; Uwe (Leverkusen, DE), Schenke; Thomas (Bergisch-Gladbach, DE), Krebs; Andreas (Odenthal-Holz, DE), Grohe; Klaus (Odenthal, DE), Schriewer; Michael (Odenthal, DE), Haller; Ingo (Wuppertal, DE), Metzger; Karl G. (Wuppertal, DE), Endermann; Rainer (Wuppertal, DE), Zeiler; Hans-Joachim (Velbert, DE)
Assignee: Bayer Aktiengesellschaft (Leverkusen, DE)
Application Number:08/406,448
Patent Claims: 1. The compound 1-cyclopropyl-7-([S,S]-2,8-diazabicyclo-[4.3.0]non-8-yl)-6-fluoro-1,4-dihy dro-8-methoxy-4-oxo-3-quinolinecarboxylic acid having the formula: ##STR382## or an alkali metal, alkaline earth metal, silver or guanidinium salt thereof or a pharmaceutically utilizable hydrate or acid addition salt thereof, said compound substantially free of other enantiomers and stereoisomers.

2. The compound (1-cyclopropyl-7-(2,8-diazabicyclo[4.3.0]non-8-yl)-6-fluoro-8-methoxy-1,4- dihydro-4-oxo-3-quinolonecarboxylic acid) of the formula ##STR383## or an addition product thereof with water, an acid or an alkali.

3. An antibacterial composition comprising an antibacterially effective amount of a compound or addition product thereof according to claim 1 and a diluent.

4. An antibacterial composition comprising an antibacterially effective amount of a compound or addition product thereof according to claim 2 and a diluent.

5. A method of combating bacteria in a patient in need thereof which comprises administering to such patient an antibacterially effective amount of a compound or addition product thereof according to claim 1.

6. A method of promoting the growth of an animal which comprises administering to said animal a growth promoting effective amount of a compound or addition product thereof according to claim 1.

7. A method of combating bacteria in a patient in need thereof which comprises administering to such patient an antibacterially effective amount of a compound or addition product thereof according to claim 2.

8. A method of promoting the growth of an animal which comprises administering to said animal a growth promoting effective amount of a compound or addition product thereof according to claim 2.
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