申请人:Otsuka Pharmaceutical Company, Limited
公开号:US05723648A1
公开(公告)日:1998-03-03
Novel 4-oxoquinoline-3-carboxylic acid compounds of the formula: ##STR1## wherein R.sup.1 is cyclopropyl which may have 1 to 3 substituents of alkyl and halogen; phenyl which may be substituted by 1 to 3 substituents of alkoxy, halogen and OH; alkyl which may be substituted by halogen, alkanoyloxy or OH; alkenyl; or thienyl, R.sup.2 is 5- to 9-membered saturated or unsaturated heterocyclic ring which may be sustituted, R.sup.3 is alkyl, R is H or alkyl, and X is halogen, and pharmaceutically acceptable salts thereof, said compounds having excellent antimicrobial activity and hence being useful as an antimicrobial agent, and a pharmaceutical composition containing said compound as an active ingredient.
化合物的名称为Novel 4-oxoquinoline-3-carboxylic acid compounds,化学式为:##STR1## 其中,R.sup.1可以是环丙基,可以有1到3个烷基和卤素取代基;苯基,可以被1到3个烷氧基,卤素和羟基取代;烷基,可以被卤素,烷酰氧或羟基取代;烯基;或噻吩基,R.sup.2是5到9个成员的饱和或不饱和杂环环,可以被取代,R.sup.3是烷基,R是氢或烷基,X是卤素,以及其药学上可接受的盐。这些化合物具有出色的抗微生物活性,因此可用作抗微生物剂,还包括含有该化合物作为活性成分的制药组合物。