Triazolo[4,5-d]pyrimidine derivatives and their use as purinergic receptor antagonists
申请人:Vernalis Research Ltd.
公开号:US07141575B2
公开(公告)日:2006-11-28
The use of a compound of formula (I): wherein R1 is selected from H, alkyl, aryl, alkoxy, aryloxy, alkylthio, arylthio, halogen, CN, NR5R6, NR4CONR5, NR4CONR5R6,NR4CO2R7 and NR4SO2R7; R2 is selected from aryl attached via an unsaturated carbon; R3 is selected from H, alkyl, COR5, CO2R7, CONR5R6, CONR4NR5R6 and SO2R7; R4, R5 and R6 are independently selected from H, alkyl and aryl or where R5 and R6 are in an NR5R6 group, R5 and R6 may be linked to form a heterocyclic group, or where R4, R5 and R6 are in a (CONR4NR5R6) group, R4 and R5 may be linked to form a heterocyclic group; and R7 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 A2A 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,NR4CONR5,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独立地从H,烷基和芳基中选择,或者当R5和R6在NR5R6组中时,R5和R6可以连接形成杂环基,或者当R4,R5和R6在(CONR4NR5R6)组中时,R4和R5可以连接形成杂环基;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尤其是腺苷受体和更具体地是A2A受体可能有益的疾病中,特别是其中该疾病是运动障碍,如帕金森病,或该疾病是抑郁症,认知或记忆障碍,急性或慢性疼痛,ADHD或嗜睡症,或用于对受试者进行神经保护;式(I)的化合物用于治疗;以及式(I)的新化合物本身。