Triazolo[4,5-d] pyramidine derivatives and their use as purinergic receptor antagonists
申请人:Gillespie Roger John
公开号:US20080234296A1
公开(公告)日:2008-09-25
The use of a compound of formula (I):
wherein
R
1
is selected from H, alkyl, aryl, alkoxy, aryloxy, alkylthio, arylthio, halogen, CN, NR
5
R
6
, NR
4
COR
5
, NR
4
CONR
5
R
6
, NR
4
CO
2
R
7
and NR
4
SO
2
R
7
;
R
2
is selected from aryl attached via an unsaturated carbon;
R
3
is selected from H, alkyl, COR
5
, CO
2
R
7
, CONR
5
R
6
, CONR
4
NR
5
R
6
and SO
2
R
7
;
R
4
, R
5
and R
6
are independently selected from H, alkyl and aryl or where R
5
and R
6
are in an NR
5
R
6
group, R
5
and R
6
may be linked to form a heterocyclic group, or where R
4
, R
5
and R
6
are in a (CONR
4
NR
5
R
6
) group, R
4
and R
5
may be linked to form a heterocyclic group; and
R
7
is selected from alkyl and aryl,
or a pharmaceutically acceptable salt thereof or prodrug thereof, in the treatment or prevention of a disorder in which the blocking of purine receptors, particularly adenosine receptors and more particularly A
2A
receptors, may be beneficial, particularly wherein said disorder is a movement disorder such as Parkinson's disease or said disorder is depression, cognitive or memory impairment, acute or chronic pain, ADHD or narcolepsy, or for neuroprotection in a subject; compounds of formula (I) for use in therapy; and novel compounds of formula (I) per se.
使用公式(I)的化合物,其中R1从H,烷基,芳基,烷氧基,芳氧基,烷硫基,芳硫基,卤素,CN,NR5R6,NR4COR5,NR4CONR5R6,NR4CO2R7和NR4SO2R7中选择;R2从通过不饱和碳连接的芳基中选择;R3从H,烷基,COR5,CO2R7,CONR5R6,CONR4NR5R6和SO2R7中选择;R4,R5和R6分别从H,烷基和芳基中选择,或者当R5和R6在NR5R6中时,它们可以连接形成杂环基团,或者当R4,R5和R6在(CONR4NR5R6)基团中时,R4和R5可以连接形成杂环基团;并且R7从烷基和芳基中选择,或其药学上可接受的盐或前药,在治疗或预防阻断嘌呤受体,特别是腺苷受体,尤其是A2A受体可能有益的疾病中使用,特别是其中所述的疾病是运动障碍,如帕金森病,或所述的疾病是抑郁症,认知或记忆障碍,急性或慢性疼痛,注意力缺陷多动障碍或嗜睡症,或用于保护神经系统。公式(I)的化合物用于治疗;以及公式(I)的新型化合物本身。