摘要:
The present invention relates to 1,9-bridged thiazolo[3,2-a]quinoline derivatives of the general formula (I) ##STR1## in which the substituents Z, X, R.sup.1 have the meaning given in the description, to processes for their preparation and to their use in antibacterial compositions.
摘要:
Disclosed are pyrido�3,2,1-i,j!�3,1!benzoxazine compounds of the formula (I): ##STR1## wherein z represents a radical having the formula: ##STR2## wherein B represents --CH.sub.2 --, --O-- or a direct bond; and the other variables in formula (I) and Z are as described herein. The compounds have antibacterial properties and also disclosed are antibacterial compositions containing them and methods of using them to prevent or combat bacterial infections. Methods for preparing the compounds are also disclosed.
摘要:
The present invention relates to new thiazolo�3,2-a!quinoline and thiazolo�3,2-a!naphthyridine derivatives of the general formula (I) ##STR1## in which R.sup.1, R.sup.2, Z and X have the meaning indicated in the description, processes for their preparation and their use in antibacterial compositions.
摘要:
Novel bactericidal pyrido[1,2,3-d,e,][1,3,4]benzoxadiazine derivatives of the formula (I) ##STR1## in which R.sup.1 is hydrogen or C.sub.1 -C.sub.4 -alkyl optionally substituted by hydroxyl or halogen,R.sup.2 independently of R.sup.1 is hydrogen or methyl,R.sup.3 is hydrogen or C.sub.1 -C.sub.4 -alkyl,R.sup.4 is hydrogen, C.sub.1 -C.sub.4 -alkyl optionally substituted by hydroxyl, methoxy, amino, methylamino or dimethylamino, or (5-methyl-2-oxo-1,3-dioxol-4-yl)-methyl,X.sup.1 is hydrogen or halogen andZ is a radical of the structure ##STR2##
摘要:
The present invention relates to novel optionally substituted 8-cyano-1-cyclo-propyl-7-(2,8-diazabicyclo[4.3.0]nonan-8-yl)-6-fluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic acids and their derivatives, of the general formula (I) in which R1 represents hydrogen, C1-C4-alkyl which is optionally substituted by hydroxyl, methoxy, amino, methylamino or dimethylamino, or (5-methyl-2-oxo-1,3-dioxol-4-yl)methyl, R2 represents hydrogen, benzyl, C1-C3-alkyl, (5-methyl-2-oxo-1,3-dioxol-4-yl)methyl, radicals having the structures —CH═CH—COOR3, —CH2CH2COOR3, —CH2CH2CN, —CH2CH2COCH3 or —CH2COCH3, in which R3 represents methyl or ethyl, or a radical of the general structure R4—(NH—CHR5—CO)n—, in which R4 represents hydrogen, C1-C3-alkyl or the radical —COO-tert-butyl, R5 represents hydrogen, C1-C4-alkyl, hydroxyalkyl, aminoalkyl, thioalkyl, carboxyalkyl or benzyl and n is 1 or 2, and Y is oxygen or sulfur, the process for their preparation and their use in antibacterial compositions.
摘要:
Intermediates useful in the preparation of 8-cyano-1-cyclopropyl-7-(2,8-diazabicyclo[4.3.0]nonan-8-yl-6-fluorol,4-dihydro-4-oxo-3-quinolinecarboxylic acids of the following structures are claimed.
摘要:
The present invention relates to new 8-amino-10-(azabicycloalkyl)-pyrido�1,2,3-d,e!�1,3,4!benzoxadiazine derivatives of the general formula (I) ##STR1## in which the radicals R.sup.1 to R.sup.4, Z and X.sup.1 have the meaning given in the description, processes for their preparation and their use in antibacterial compositions.
摘要:
The invention relates to new 5-vinyl- and 5-ethinylquinolone- and -naphthyridonecarboxylic acids, to processes for their preparation, and to antibacterial compositions and feed additives containing them.
摘要:
The invention relates to new 5-vinyl- and 5-ethinyl-quinolone- and -naphthyridonecarboxylic acids, to processes for their preparation, and to antibacterial compositions and feed additives containing them.
摘要:
The present invention relates to novel injection and infusion solutions of the following composition:a) 0.1 to 20% by weight of enrofloxacin, based on the total weight of the solution, in the form of its salts with polyhydroxycarboxylic acids or amino acids or mixtures thereof,b) polyhydroxycarboxylic acids, amino acids or mixtures thereof in 0.1 to 5 molar excess, based on enrofloxacin;c) optionally 0.1 to 30% by weight of formulation aids, based on the total weight of the solution;d) water to 100% by weight.