申请人:Honda Takahiro
公开号:US09062061B2
公开(公告)日:2015-06-23
A compound represented by the following general formula (1) or a salt thereof. R1 represents a halogen atom and so on; R2 and R3 each represent a hydrogen atom and so on; R4 and R5 each represent a hydrogen atom and so on, or R4 and R5 may form an oxo group; Ra and Rb 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 Rc; Rc 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分别代表氢原子等;R4和R5分别代表氢原子等,或者R4和R5可以形成氧代基;Ra和Rb分别代表较低的烷基,可以选择具有取代基等,或者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代表芳基,可以选择具有取代基等;环A代表苯环等;m代表0、1或2。