Synthesis of pyrido[2,1-b]- and thiazolo[2,3-b]purines

Article abstract of DOI:10.1002/jhet.5570320610

Some pyrido[2,1-b]- and thiazolo[2,3-b]purines, tricyclic compounds structurally related to [1,2,4]triazolo[1,5-c]quinazolines 1 have been synthesized with a view to study their possible adenosine and benzodiazepine receptors affinity.