申请人:Daiichi Pharmaceutical Co., Ltd.
公开号:US05849757A1
公开(公告)日:1998-12-15
This invention relates to a N.sub.1 -(halogenocyclopropyl)-substituted pyridonecarboxylic acid derivative represented by the following formula (I): ##STR1## wherein X.sup.1 is a halogen atom or a hydrogen atom; X.sup.2 is a halogen atom; R.sup.1 is a hydrogen atom, a hydroxyl group, a thiol group, a halogenomethyl group, an amino group, an alkyl group or an alkoxy group which may have a substituent group; R.sup.2 is a group represented by the following formula (II): ##STR2## wherein R.sup.3 and R.sup.4 are independently a hydrogen atom or an alkyl group and n is an integer of 1 or 2; A is a nitrogen atom or a partial structure of the following formula (III): ##STR3## wherein X.sup.3 is a hydrogen atom, a halogen atom, a cyano group, an amino group, an alkyl group, a halogenomethyl group, an alkoxyl group or a halogenomethoxyl group which may have a substituent group; and R is a hydrogen atom, a phenyl group, an acetoxymethyl group, a pivaloyloxymethyl group, an ethoxycarbonyl group, a choline group, a dimethylaminoethyl group, a 5-indanyl group, a phthalidynyl group, a 5-alkyl-2-oxo-1,3-dioxol-4-ylmethyl group, a 3-acetoxy-2-oxobutyl group, an alkyl group, an alkoxymethyl group or a phenylalkyl group, and provides a heterocyclic compound useful as antibacterial drugs.
这项发明涉及一种由以下式(I)表示的N.sub.1-(卤代环丙基)-取代吡啶酮羧酸衍生物:其中X.sup.1是卤素原子或氢原子;X.sup.2是卤素原子;R.sup.1是氢原子、羟基、硫醇基、卤代甲基基团、氨基、烷基或可能具有取代基团的烷氧基;R.sup.2是由以下式(II)表示的基团:其中R.sup.3和R.sup.4独立地是氢原子或烷基,n是1或2的整数;A是氮原子或以下式(III)的部分结构:其中X.sup.3是氢原子、卤素原子、氰基、氨基、烷基、卤代甲基基团、烷氧基或可能具有取代基团的卤代甲氧基;R是氢原子、苯基、乙酰氧甲基基团、戊酰氧甲基基团、乙氧羰基、胆碱基团、二甲氨基乙基基团、5-茚基团、邻苯二酰基团、5-烷基-2-氧代-1,3-二氧杂环戊-4-基甲基基团、3-乙酰氧基-2-氧代丁基基团、烷基、烷氧甲基或苯基烷基基团,并提供一种用作抗菌药物的杂环化合物。