C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
167/211, 260/273
C07D 401/04 (2006.01) C07D 207/14 (2006.01) C07D 215/56 (2006.01) C07D 407/14 (2006.01) C07D 471/04 (2006.01) C07D 487/04 (2006.01) C07D 498/04 (2006.01) C07D 513/04 (2006.01) C07D 519/00 (2006.01)
Patent
CA 1340114
The invention relates to 3-quinolone- and -naphthyridonecarboxylic acid derivatives of the formula (I) (see fig. I) in which typical values of X1, X2, R1, R2, R3 and A include halogen, hydrogen, alkyl, nitrogen-containing hetercocycle and CH or N, respectively. Processes and intermdiates for their preparation and antibacterial compositions and feed additives containing them are also disclosed.
605572
Endermann Rainer
Grohe Klaus
Haller Ingo
Krebs Andreas
Metzger Karl Georg
Bayer Schering Pharma Aktiengesellschaft
Endermann Rainer
Fetherstonhaugh & Co.
Grohe Klaus
Haller Ingo
LandOfFree
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