摘要:
Antibacterial 8-cyano-1-cyclopropyl-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid derivatives of the formula ##STR1## in which Y represents a carboxyl group, a nitrile group, an ester group --COOR.sup.1 or an acid amide group --CONR.sup.2 R.sup.3,X.sup.1 represents hydrogen nitro, alkyl or halogenX.sup.4 can be hydrogen or halogen, or alkyl,R.sup.4 and R.sup.5, together with the nitrogen atom to which they are bonded, form a 5- or 6-membered heterocyclic ring which can additionally contain the atoms or groups --O--, --S--, --SO--, --SO.sub.2 --, ##STR2## as ring members or the group ##STR3## can also represent a ring system of the structure ##STR4## which can optionally be substituted on the ring carbons by methyl and pharmaceutically usable hydrates, salts or esters thereof.These compounds have a high antibacterial activity and are therefore suitable as active compounds for human and veterinary medicine.
摘要:
Antibacterial 8-cyano-1-cyclopropyl-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid derivatives of the formula ##STR1## in which Y represents a carboxyl group, a nitrile group, an ester group --COOR.sup.1 or an acid amide group --CONR.sup.2 R.sup.3,X.sup.1 represents hydrogen nitro, alkyl or halogenX.sup.4 can be hydrogen or halogen, or alkyl,R.sup.4 and R.sup.5, together with the nitrogen atom to which they are bonded, form a 5- or 6-membered heterocyclic ring which can additionally contain the atoms or groups --O--, --S--, --SO--, --SO.sub.2 --, ##STR2## as ring members or the group ##STR3## can also represent a ring system of the structure ##STR4## which can optionally be substituted on the ring carbons by methyl and pharmaceutically usable hydrates, salts or esters thereof.These compounds have a high antibacterial activity and are therefore suitable as active compounds for human and veterinary medicine.
摘要翻译:其中Y表示羧基,腈基,酯基-COOR1或酸的式“IMAGE”的抗菌8-氰基-1-环丙基-1,4-二氢-4-氧代-3-喹啉羧酸衍生物 酰胺基-CONR2R3,X1表示氢硝基,烷基或卤素X4可以是氢或卤素,或烷基,R4和R5与它们所键合的氮原子一起形成5-或6-元杂环,其可以 另外还包含原子或基团-O - , - S - , - SO - , - SO 2 - ,作为环成员或组也可以表示结构 + TR
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:
The invention relates to naphthyridonecarboxylic acid derivatives which are substituted in the 7-position by an optionally partially hydrogenated azaisoindolinyl ring, to processes for their preparation, and to antibacterial agents and feed additives containing them.
摘要:
The invention relates to new quinolonecarboxylic acid derivatives which are substituted in the 7-position by an optionally partially hydrogenated azaisoindolinyl ring, to processes for their preparation, and to antibacterial agents and feed additives containing them.
摘要:
The invention relates to novel derivatives of quinolonecarboxylic acid and naphthyridonecarboxylic acid which are linked to a .beta.-lactam antibiotic, to their salts, to processes for their preparation and to antibacterial agents containing these derivatives.
摘要:
The invention relates to new intermediate compounds for preparation of new quinolone- and naphthyridonecarboxylic acid derivatives which are substituted in the 7-position by an unsatured bicyclic amine radical, their salts, processes for their preparation and antibacterial compositions comprising these compounds.
摘要:
The invention relates to new quinolone- and naphthyridonecarboxylic acid derivatives which are substituted in the 7-position by a partly hydrogenated isoindolinyl ring, processes for their preparation and antibacterial agents and feed additives containing these compounds.
摘要:
The invention relates to new quinolone- and naphthyridonecarboxylic acid derivatives which are substituted in the 7-position by an unsaturated bicyclic amine radical, their salts, processes for their preparation and antibacterial compositions comprising these compounds
摘要:
Disclosed are new quinolone- and naphthyridonecarboxyclic acid derivatives of the formula: ##STR1## wherein T represents a radical of the formula: ##STR2## and the other radicals are as disclosed herein, for example, the compound 7-(3a-amino-1,2,3,7a-tetrahydro-isoindol-2-yl)-1-cyclopropyl-6-fluoro-1,4-dihydro-8-methoxy-4-oxo-3-quinolinecarboxyclic acid, their salts, antibacterial compositions containing them, processes for their preparation, and methods of using them to combat bacterial infections. Disclosed also are intermediates useful in said processes of preparation.