申请人:Banyu Pharmaceutical Co., Ltd.
公开号:US05374720A1
公开(公告)日:1994-12-20
A compound of the formula: ##STR1## wherein R is a hydrogen atom or a methyl group, R.sup.1 is a hydrogen atom or a negative charge, each of R.sup.2 and R.sup.3 which may be the same or different, is a hydrogen atom, a lower alkyl group, a hydroxy lower alkyl group, a formimidoyl group, an acetoimidoyl group, --COOR.sup.4, --CON(R.sup.5)R.sup.6, --N(R.sup.5)R.sup.6, --CH.sub.2 COOR.sup.4, --CH.sub.2 N(R.sup.5)R.sup.6 or --CH.sub.2 CON(R.sup.5)R.sup.6 (wherein R.sup.4 is a hydrogen atom or a lower alkyl group, 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 and a piperidyl group), A is .dbd.NR.sup.7, .dbd.N.sup.+ (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, a lower alkyl group, a hydroxy lower alkyl group, a formimidoyl group, an acetoimidoyl group, --COOR.sup.4, --CON(R.sup.5)R.sup.6, --N(R.sup.5)R.sup.6, --CH.sub.2 COOR.sup.4, --CH.sub.2 N(R.sup.5)R.sup.6 or --CH.sub.2 CON(R.sup.5)R.sup.6 (wherein R.sup.4, R.sup.5 and R.sup.6 are as defined above), p is an integer of from 0 to 3, and q is an integer of from 1 to 3; or a pharmaceutically acceptable salt or ester thereof.
该化合物的化学式为:##STR1## 其中,R为氢原子或甲基基团,R.sup.1为氢原子或负电荷,R.sup.2和R.sup.3均可相同或不同,为氢原子、低碳基、羟基低碳基、甲基甲酰基基团、乙酰甲酰基团、--COOR.sup.4、--CON(R.sup.5)R.sup.6、--N(R.sup.5)R.sup.6、--CH.sub.2 COOR.sup.4、--CH.sub.2 N(R.sup.5)R.sup.6或--CH.sub.2 CON(R.sup.5)R.sup.6(其中,R.sup.4为氢原子或低碳基,R.sup.5和R.sup.6均可相同或不同,为氢原子或低碳基,或R.sup.5和R.sup.6与相邻的氮原子一起形成从以下群中选择的杂环基团:氮杂环丙基基团、氮杂环戊基基团、吡咯烷基团和哌啶基团),A为.dbd.NR.sup.7、.dbd.N.sup.+(R.sup.7)R.sup.8,其中,R.sup.7和R.sup.8均可相同或不同,为氢原子、低碳基、羟基低碳基、甲基甲酰基基团、乙酰甲酰基团、--COOR.sup.4、--CON(R.sup.5)R.sup.6、--N(R.sup.5)R.sup.6、--CH.sub.2 COOR.sup.4、--CH.sub.2 N(R.sup.5)R.sup.6或--CH.sub.2 CON(R.sup.5)R.sup.6(其中,R.sup.4、R.sup.5和R.sup.6如上所定义),p为0到3的整数,q为1到3的整数;或其药学上可接受的盐或酯。