申请人:Otsuka Pharmaceutical Company, Limited
公开号:US04971970A1
公开(公告)日:1990-11-20
Novel 3-formyl-4-oxoquinoline compounds of the formula: ##STR1## wherein R.sup.1 is hydrogen atom or a lower alkanoyl, R.sup.2 is hydrogen atom or a lower alkyl, R.sup.3 is a lower 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 3-formyl-4-oxoquinoline,其化学式为:##STR1## 其中R.sup.1可以是氢原子或较低的烷酰基,R.sup.2可以是氢原子或较低的烷基,R.sup.3是较低的烷基,X是卤素。这些化合物及其药学上可接受的盐具有出色的抗微生物活性,因此可用作抗微生物剂,并含有该化合物作为活性成分的制药组合物。