摘要:
Novel 1-cyclopropyl-4-fluoro-1,4-dihydro-4-oxo-7-(1-piperazinyl)-3-quinolinecarboxylic acid antibacterials of the formula ##STR1## in which R.sup.1 is hydrogen, alkyl with 1 to 4 carbon atoms and optionally substituted by hydroxyl, methoxy, amino, dimethylamino, halogen, cyano or alkoxycarbonyl having 1 or 2 carbon atoms in the alkyl moiety, or is oxoalkyl having up to 4 carbon atoms, phenacyl, or acyl having 1 to 4 carbon atoms, phenacyl, or acyl having 1 to 4 carbon atoms,R.sup.2 is phenyl or cyclohexyl optionally substituted up to three times by halogen, methyl, phenyl, cyano, hydroxyl, methoxy, benzyloxy, amino, methylamino, dimethylamino, piperidino or nitro, or is methylenedioxyphenyl, methylenedioxycyclohexyl, furyl, tetrahydrofuryl or thienyl, andX.sup.1 is hydrogen or fluorine,or pharmaceutically ultizable hydrates, acid addition salts, alkali metal salts or alkaline earth metal salts thereof.
摘要:
The invention relates to quinolone carboxylic acids, pharmaceutical compositions containing said quinolone carboxylic acids and the use of said compounds and compositions for treatment of bacterial infection. Also included in the invention are process for the manufacture of the active quinolone carboxylic acids.
摘要:
Pseudotrisaccharides of the sisomycin type are provided which are effective an antibacterial agents, particularly against gram-negative microorganisms. The invention also includes methods for the manufacture of the pseudotrisaccharides, compositions containing said pseudotrisaccharides and methods for the treatment of warm-blooded animals using said compounds and compositions.
摘要:
The invention relates to sisomicin derivatives defined below in Formula (I) and a process for the preparation of said derivatives. Also included in the invention are compositions containing said derivatives and methods for using said derivatives and compositions. ##STR1##
摘要:
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.
摘要:
The invention relates to new 8-vinyl- and 8-ethinylquinolonecarboxylic acids, process for their preparation, and antibacterial agents and feed additives containing them.
摘要:
An antibacterially active quinolone or naphthyridonecarboxylic acid derivative of the formula ##STR1## in which R.sup.1 stands for various organic radical,R.sup.2 stands for hydrogen, alkyl having 1 to 4 carbon atoms or (5-methyl-2-oxo-1,3-dioxol-4-yl)-methyl,R.sup.3 stands for hydrogen or amino,R.sup.4 stands for a radical of the formula ##STR2## A stands for N or C--R.sup.5, whereinR.sup.5 stands for hydrogen, halogen methyl, cyano or nitro or else together with R.sup.1 can form a bridge of the structure ##STR3## or a pharmaceutically utilizable hydrate, acid addition salt, alkali metal salt, alkaline earth metal salt, silver salt or guanidinium salt of the carboxylic acid when R.sup.2 is hydrogen.
摘要:
The invention relates to 7-amino-1-cyclo-propyl-4-oxo-1,4-dihydro-naphthyridine (or quinoline)-3-carboxylic acids of Formula I as defined in the specification. Also included in the invention is a process for the preparation of said compounds of Formula I and Ia. Further, the invention includes compositions containing the compounds of Formula I or Ia and the use of said compounds and compositions as antibacterial agents.
摘要:
Process for the preparation of antibacterial compounds of the formula ##STR1## comprises condensing an oxo compound of the formula ##STR2## with an amino compound of the formula ##STR3## to produce a compound of the formula ##STR4## reacting the compound of the formula (III) with a compound of the formula ##STR5## to give a compound of the formula ##STR6## and then eliminating the amino-protective group ##STR7##
摘要:
Antibacterially active and animal growth promoting novel 1-aryl-4-quinolone-3-carboxylic acids of the formula ##STR1## in which X is halogen or nitro,X.sup.2 is halogen,R is optionally substituted phenyl, andA is halogen or optionally substituted piperazine or pyrrolidine,or pharmaceutically useable hydrates, acid additions salts, alkali metal, alkaline earth metal, silver or guanidinium salts thereof, and/or esters thereof.