申请人:Banyu Pharmaceutical Co., Ltd.
公开号:US05550121A1
公开(公告)日:1996-08-27
A compound of the formula: ##STR1## wherein R.sup.1 is a hydrogen atom or a methyl group, R.sup.2 is a hydrogen atom or a negative charge, R.sup.3 is a hydrogen atom, a halogen atom, a hydroxyl group, a lower alkoxy group, a lower alkanoyloxy group, an amino group, an N-lower alkylamino group, an N,N-di-lower alkylamino group, a lower alkanoylamino group, an aroylamino group, a (lower alkylsulfonyl)amino group, a sulfamoylamino group, a cyano group, a nitro group, a group of --COOR.sup.4 (wherein R.sup.4 is a hydrogen atom or a lower alkyl group) or a group of --CON(R.sup.5)R.sup.6 (wherein each of R.sup.5 and R.sup.6 which may be the same or different, is a hydrogen atom or a lower alkyl group, or R.sup.5 and R.sup.6 form together with the adjacent nitrogen atom a heterocyclic group selected from the group consisting of an aziridinyl group, an azetidinyl group, a pyrrolidinyl group, a piperidyl group, a piperazinyl group, a 4-lower alkyl piperazinyl group and a morpholino group), A is a linear or branched lower alkylene group, X is a group of --N(R.sup.7)R.sup.8 (wherein each of R.sup.7 and R.sup.8 which may be the same or different, is a hydrogen atom or a lower alkyl group) or a group of --N.sup.+ (R.sup.9)(R.sup.10)R.sup.11 (wherein each of R.sup.9, R.sup.10 and R.sup.11 which may be the same or different, is a lower alkyl group), provided that when A is a linear lower alkylene group, R.sup.3 is other than a hydrogen atom; or a pharmaceutically acceptable salt or ester thereof.
该化合物的式子为:##STR1## 其中R.sup.1是氢原子或甲基基团,R.sup.2是氢原子或负电荷,R.sup.3是氢原子、卤素原子、羟基、较低的烷氧基、较低的烷酰氧基、氨基、N-较低烷基氨基、N,N-二较低烷基氨基、较低烷酰氨基、芳酰氨基、(较低烷基磺酰)氨基、磺酰胺氨基、氰基、硝基、--COOR.sup.4(其中R.sup.4是氢原子或较低烷基)或--CON(R.sup.5)R.sup.6(其中R.sup.5和R.sup.6可以相同或不同,是氢原子或较低烷基,或R.sup.5和R.sup.6与相邻的氮原子一起形成从以下组成的杂环基团中选择的杂环基团:氮杂环羟胺基、氮杂环四元环基团、吡咯烷基团、哌啶基团、哌嗪基团、4-较低烷基哌嗪基团和吗啉基团),A是线性或支链状的较低烷基烷基链,X是--N(R.sup.7)R.sup.8(其中每个R.sup.7和R.sup.8可以相同或不同,是氢原子或较低烷基)或--N.sup.+(R.sup.9)(R.sup.10)R.sup.11(其中每个R.sup.9,R.sup.10和R.sup.11可以相同或不同,是较低烷基),但当A是线性较低烷基烷基链时,R.sup.3不是氢原子;或其药学上可接受的盐或酯。