申请人:Banyu Pharmaceutical Co., Ltd.
公开号:US05707987A1
公开(公告)日:1998-01-13
A compound of the formula: ##STR1## wherein R.sup.1 is a hydrogen atom or a lower alkyl group, R.sup.2 is a hydrogen atom or a negative charge, R.sup.3 is a hydrogen atom or a lower alkyl group, Ar is a phenyl group, a naphthyl group or a group of: ##STR2## (wherein each of A.sub.4 and A.sub.5 is a single bond, --NHSO.sub.2 -- or the like, and Het is a pyrrolinyl group, a 1,4-diazabicyclo\x9b2.2.2!octanyl group or the like which may be substituted with a hydroxyl group, a carbamoyl lower alkyl group or the like) which may be substituted with a lower alkyl group, a lower alkylsulfamoyl group or the like which may be substituted with a hydroxyl group, a di-lower alkylsulfonyl group or the like; a hydroxyl group; a di-lower alkylsulfamoyl group or the like, each of A.sub.1, A.sub.2 and A.sub.3 is a single bond or a lower alkylene group which may be substituted with a lower alkyl group, a lower alkylsulfamoyl group or the like which may be substituted with a hydroxyl group, a di-lower alkylsulfamoyl group or the like; a pyridyl group or a pyridino group; and W is a sulfur atom, a single bond; or a pharmaceutically acceptable salt or ester; a process for its production and an antibacterial agent containing it as an active ingredient.
化合物的结构式为:##STR1## 其中R.sup.1是氢原子或低碳基,R.sup.2是氢原子或负电荷,R.sup.3是氢原子或低碳基,Ar是苯基、萘基或:##STR2## (其中A.sub.4和A.sub.5是单键、--NHSO.sub.2--或类似物,Het是吡咯烷基、1,4-二氮杂双环\x9b2.2.2!辛基或类似物,可用羟基、氨基甲酰低碳基或类似物取代),可用低碳基、低碳基磺酰胺基或类似物取代,可用双低碳基磺酰基或类似物取代;羟基;双低碳基磺酰胺基或类似物,其中A.sub.1、A.sub.2和A.sub.3是单键或低碳亚基,可用低碳基、低碳基磺酰胺基或类似物取代,可用双低碳基磺酰胺基或类似物取代;吡啶基或吡啶酮基;W是硫原子、单键;或药学上可接受的盐或酯;一种制备它的方法和含有它作为活性成分的抗菌剂。