申请人:Moritani Yasunori
公开号:US20090069298A1
公开(公告)日:2009-03-12
The present invention relates to a novel pyrazolo[1,5-a]pyrimidine compound of the formula [I]:
wherein R
1
and R
2
are the same or different and an optionally substituted aryl group etc.
Q is single bond, a methylene group or a group of the formula: —N(R
Q
)—,
R
Q
is an alkyl group,
Ring A is a substituted pyrazole ring fused to the adjacent pyrimidine ring having the following formula (A), (B) or (C),
R
3
and R
4
are the same or different and a hydrogen atom, a cyano group etc.
E is one of the following groups (i) to (v):
R
00
is an alkyl group, Q
1
is a single bond etc., Q
2
is a single bond or an alkylene group, one of R
5
and R
6
is a hydrogen atom or an alkyl group and the other is an alkyl group etc., one of R
50
and R
60
is a hydrogen atom or an alkyl group and the other is a hydrogen atom, an alkyl group etc., R
51
is an alkyl group or an optionally substituted arylsulfonyl group, R
61
is an alkylamino group or an azido group, or a pharmaceutically acceptable salt thereof.
本发明涉及一种新型吡唑并[1,5-a]嘧啶化合物,其化学式为[I]:其中R1和R2相同或不同,可以是任选取代芳基等;Q是单键,亚甲基基团或式子:—N(RQ)—,RQ是烷基基团;环A是一个取代的吡唑环与相邻的嘧啶环融合,具有以下式子(A)、(B)或(C):其中R3和R4相同或不同,可以是氢原子、氰基等;E是以下式子(i)至(v)中的一种:其中R00是烷基基团,Q1是单键等,Q2是单键或烷基烃基团,R5和R6中的一个是氢原子或烷基基团,另一个是烷基基团等,R50和R60中的一个是氢原子或烷基基团,另一个是氢原子、烷基基团等,R51是烷基基团或任选取代的芳基磺酰基团,R61是烷基氨基基团或叠氮基团,或其药学上可接受的盐。