申请人:Nakai Kazuo
公开号:US20100216798A1
公开(公告)日:2010-08-26
There is provided fused heterocycles of imidazopyridazine or pyrazolopyrimidine derivative represented by the formula (I), which have excellent Lck inhibitory activity and are useful for a medicament particularly an immunosuppressive agent.
[wherein one of Y and Z is C atom, and the other is N atom; —X— is —N(R
1
)— or the like, —R
1
represents hydrogen or the like, -A- represents bond or the like,
—R
2
is cycloalkyl, aryl or the like, -E- is bond or the like, —R
3
is aryl, aromatic heterocycle or the like, —R
4
, —R
5
and —R
6
are the same or different, each being hydrogen or the like.]
提供了一种公式(I)所表示的咪唑吡啶嗪或吡唑嘧啶衍生物的熔合杂环,其具有出色的Lck抑制活性,可用于药物,特别是免疫抑制剂。[其中Y和Z中的一个是碳原子,另一个是氮原子;—X—是—N(R1)—或类似物,—R1表示氢或类似物,-A-表示键或类似物,—R2是环烷基,芳基或类似物,-E-是键或类似物,—R3是芳基,芳香杂环或类似物,—R4,—R5和—R6相同或不同,每个都是氢或类似物。]