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Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
Abstract
Disclosed a process for preparing 1-ethyl-6-fluoro-4-oxo-7-(1-piperazinyl)1-, 4-dihydroqinoline-3-carboxylic acid of the formula I In which process 6.7-difluoro-1- ethyl-4-oxo-1. 4-dihydro-quinoline -3- carboxylic acid of the formula II IS reacted with piperazine of the formula III The compounds of the formula I is a well-known medicine of quinoline structure for the therapy of infectious diseases.
JO19871505A1987-06-221987-06-22Process for preparing 1-ethyle-6 fluoro-4-oxo-7-(1-piperazinyl)-1,4-dihydroquinoline-3-caboxylic acid
JO1505B1
(en)
Process for the production of hydroximethyl-(methylene-cyclopentyl)-purines and pirimidines, their medically usable salts, and of medical preparations containing them
Process for preparing certain 1-lower alkanoyl or benzoyl-4-(lower alkanoyl or benzoyl-methylidene)-1,4-dihydropyridines or acid addition salts thereof