The present invention relates to a novel pyrazolo[1,5-a]pyrimidine compound of the formula [I]:
wherein R1 and R2 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(RQ)—,
RQ 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),
R3 and R4 are the same or different and a hydrogen atom, a cyano group etc.
E is one of the following groups (i) to (v):
R00 is an alkyl group, Q1 is a single bond etc., Q2 is a single bond or an alkylene group, one of R5 and R6 is a hydrogen atom or an alkyl group and the other is an alkyl group etc., one of R50 and R60 is a hydrogen atom or an alkyl group and the other is a hydrogen atom, an alkyl group etc., R51 is an alkyl group or an optionally substituted arylsulfonyl group, R61 is an alkylamino group or an azido group, or a pharmaceutically acceptable salt thereof.
本发明涉及一种新的嘧唑并[1,5-a]
嘧啶化合物,其
化学式为[I],其中R1和R2相同或不同,可选取取代基的芳基等。Q为单键,亚甲基基或式子为:—N(RQ)—的基团,RQ为烷基。环A是一个取代的嘧唑环,与相邻的
嘧啶环融合,其具有以下式子(A)、(B)或(C):R3和R4相同或不同,可选取氢原子,
氰基等。E是以下化合物组之一:(i)至(v)中的一种:R00为烷基,Q1为单键等,Q2为单键或烷基亚基,R5和R6中的一个为氢原子或烷基,另一个为烷基等,R50和R60中的一个为氢原子或烷基,另一个为氢原子,烷基等,R51为烷基或可选取取代基的芳基磺酰基,R61为烷基
氨基基团或偶氮基团,或其药学上可接受的盐。