Antagonists of the human adenosine A2A receptor. Part 3: Design and synthesis of pyrazolo[3,4-d]pyrimidines, pyrrolo[2,3-d]pyrimidines and 6-arylpurines
aVernalis (R&D) Ltd, 613 Reading Road, Winnersh RG41 5UA, UK
bVernalis (R&D) Ltd, Granta Park, Cambridge CB21 6GB, UK
Abstract:
A series of pyrazolo3,4-d]pyrimidine, pyrrolo2,3-d]pyrimidine and 6-arylpurine adenosine A2A antagonists is described. Many examples were highly selective against the human A1 receptor sub-type and were active in an in vivo model of Parkinson’s disease.