申请人:ONO PHARMACEUTICAL CO., LTD.
公开号:US20130028887A1
公开(公告)日:2013-01-31
A compound represented by formula (I),
wherein
R
1
represents a hydrogen atom, etc.,
R
2
and R
3
each independently represents a hydrogen atom, optionally oxidized C1-4 alkyl group or optionally protected hydroxyl group, or R
2
and R
3
taken together represent optionally oxidized C2-5 alkylene group,
R
4
represents an optionally oxidized C1-6 alkyl group, etc.,
R
5
represents an optionally oxidized C1-6 alkyl group, etc.,
R
6
represents an optionally oxidized C1-6 alkyl group, etc.,
m represents 0 or an integer from 1 to 3,
n represents 0 or an integer from 1 to 4, and
i represents 0 or an integer from 1 to 7.
化合物的化学式为(I),其中R1表示氢原子,R2和R3分别独立地表示氢原子,可选的氧化的C1-4烷基或可选的保护羟基,或者R2和R3一起表示可选的氧化的C2-5亚烷基,R4表示可选的氧化的C1-6烷基等,R5表示可选的氧化的C1-6烷基等,R6表示可选的氧化的C1-6烷基等,m表示0或1至3的整数,n表示0或1至4的整数,i表示0或1至7的整数。