申请人:Miyazawa Shuhei
公开号:US20050272764A1
公开(公告)日:2005-12-08
A compound represented by the following general formula (1), or a salt or hydrate thereof:
wherein R
1
represents a C1-C6 alkyl group or C2-C6 alkynyl group which may be substituted, or a phenyl group which may be substituted, R
2
represents a hydrogen atom or a C1-C6 alkyl group, R
3
represents methyl or ethyl group, R
4
represents a C1-C6 alkyl group, R
5
represents a hydrogen atom, provided that a compound wherein R
1
is a C1-C6 alkyl group unsubstituted or substituted with a halogen atom and R
2
is a hydrogen atom is excluded.
以下是用一般公式(1)表示的化合物,或其盐或水合物:
其中,R1表示C1-C6烷基或C2-C6炔基,可以被取代,或苯基,可以被取代;R2表示氢原子或C1-C6烷基;R3表示甲基或乙基基团;R4表示C1-C6烷基;R5表示氢原子,但其中不包括R1为未取代或取代了卤素原子的C1-C6烷基且R2为氢原子的化合物。