申请人:Honda Takahiro
公开号:US20140243320A1
公开(公告)日:2014-08-28
A compound represented by the following general formula (1) or a salt thereof. R
1
represents a halogen atom and so on; R
2
and R
3
each represent a hydrogen atom and so on; R
4
and R
5
each represent a hydrogen atom and so on, or R
4
and R
5
may form an oxo group; R
a
and R
b
each represent a lower alkyl group optionally having a substituent and so on, or they may bind to each other to form a nitrogen-containing heterocyclic ring which may be substituted by one or plural R
c
; R
c
represents an aryl group optionally having a substituent and so on; ring A represents a benzene ring and so on; and m represents 0, 1 or 2.
以下是通式(1)所代表的化合物或其盐。其中,R1代表卤素原子等;R2和R3各自代表氢原子等;R4和R5各自代表氢原子等,或R4和R5可以形成氧代基团;Ra和Rb各自代表较低的烷基团,可选地具有取代基等,或它们可以结合在一起形成含氮杂环,该杂环可以被一个或多个Rc取代;Rc代表苯基团,可选地具有取代基等;环A代表苯环等;m代表0、1或2。