| abstract |
Use of a compound of formula (I): wherein R 1 is selected from alkyl, alkoxy, aryloxy, alkylthio, arylthio, aryl, halogen, CN, NR 6 R 7 , NR 5 COR 6 , NR 5 CONR 6 R 7 , NR 5 CO 2 R 8 and NR 5 SO 2 R 8 ; R 2 is selected from heteroaryl attached via an unsaturated carbon; R 3 is selected from H, alkyl, halogen, OR 5 , SR 5 and NR 6 R 7 ; R 4 is selected from H, acyclic alkyl, CONR 6 R 7 , CONR 5 NR 6 R 7 , COR 6 , CO 2 R 8 and SO 2 R 8 ; R 5 , R 6 and R 7 are independently selected from H, alkyl and aryl, or where R 6 and R 7 are in an NR 6 R 7 group, R 6 and R 7 may be linked to form a heterocyclic group, or where R 5 , R 6 and R 7 may be linked to form a heterocyclic group, or where R 5 , R 6 and R 7 are in a (CONR 5 NR 6 R 7 ) group, R 5 and R 6 may be linked to form a heterocyclic group; and R 8 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. |