Patent ID: 6620825
Filing Date: 2003-09-16
Classification: A61K,A61P

Abstract:
A method for antagonizing adenosine at adenosine A2b receptors, in a mammal, which comprises administering to said mammal an effective amount of a compound of the formula: wherein R1 represents a hydrogen atom, a hydrocarbon group which may be substituted, a heterocyclic group, which may be substituted, an amino which may be substituted or an acyl; at lease one of R2 and R3 represents a hydrogen atom, a pyridyl which may be substituted or an aromatic hydrocarbon group which may be substituted, and the other represents pyridyl which may be substituted, and X represents a sulfur atom which may be oxidized, an oxygen atom or a group of the formula: NR4 wherein R4 represents a hydrogen atom, a hydrocarbon group which may be substituted or an acyl; or a salt thereof, which may be N-oxidized.