PROCESS FOR PREPARING 1-SUBSTITUTED-6-FLUORO-4-OXO-7- (1-PIPERAZINYL)-1,4-DIHYDROQUINOLINE-3-CARBOXYLIC ACID, A NOVEL INTERMEDIATE USEFUL IN SAID PROCESS, AND A PROCESS FOR PREPARING SAID INTERMEDIATE

12 Disclosed is a process for preparing 1-substituted-6-fluoro-4-oxo-7-(1-piperazin yl)-1,4-dihydroquinoline-3-carboxylic acid of the formula II II wherein R1 represents a lower alkyl, a lower cycloalkyl or 2,4-difluorophenyl, wherein 1-substituted-6-fluoro-4-oxo-7-(4-substituted-1-piperazinyl)-1,4-...

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Hauptverfasser:	BARBO, MARTIN, SKET, BORIS, ZUPANCIC, NATASA, ZUPET, PAVEL
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM CHEMISTRY HETEROCYCLIC COMPOUNDS HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE METALLURGY ORGANIC CHEMISTRY PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
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