Mesoionic xanthine analogues: Antagonists of adenosine receptors

Article abstract of DOI:10.1021/jm00376a027

A variety of mesoionic xanthines including mesoionic thiazolo[3,2-α]pyrimidines, benzothiazolopyrimidines, and 1,3,4-thiadiazolo[3,2-α]pyrimidines were antagonists of A₁-adenosine receptors (inhibition of binding of [³H]-cyclohexylad