C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
167/223, 260/266
C07D 401/04 (2006.01) C07D 215/56 (2006.01) C07D 405/14 (2006.01) C07D 409/14 (2006.01)
Patent
CA 1248954
ABSTRACT The invention relates to new 1-cyclopropyl-1,4- dihydro-4-oxo-3-quinolinecarboxylic acids, processes for their preparation and antibacterial agents and feed additives containing them. The new compounds have the formula: Image in which R1 denotes hydrogen, straight-chain or branched alkyl which has 1 to 4 carbon atoms and is option- ally substituted by hydroxyl, methoxy, amino, dimethylamino, halogen, cyano or alkoxycarbonyl having 1 or 2 carbon atoms in the alkyl moiety, oxoalkyl having up to 4 carbon atoms, phenacyl, or acyl having 1 to 4 carbon atoms, R2 denotes phenyl or cyclohexyl which are each opt- ionally singly to triply substituted by halogen, methyl, phenyl, cyano, hydroxyl, methoxy, benzyloxy, amino, methylamino, dimethylamino, piperidino or nitro, methylenedioxyphenyl, methylenedioxycyclo- hexyl, furyl, tetrahydrofuryl or thienyl, and X1 denotes hydrogen or fluorine.
482912
Grohe Klaus
Metzger Karl G.
Petersen Uwe
Zeiler Hans-Joachim
Aktiengesellschaft Bayer
Fetherstonhaugh & Co.
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