abstract |
COMPOUNDS OF GENERAL FORMULA (I) WHEREIN R4 AND R5 STAND : FOR HYDROGEN ATOM OR FORM TOGETHER AN 1,3-BUTADIENYL GROUP, OPTIONALLY SUBSTITUTED BY A METHYLENEDIOXY GROUP OR ONE OR MORE STRAIGHT OR BRANCHED C1-4 ALKYL GROUP, STRAIGHT OR BRANCHED C1-4 ALKOXY GROUP, HYDROXY GROUP OR HALOGEN ATOM; ARE STRONG ADENOSINE A3 RECEPTOR LIGANDS PREFERABLY ANTAGONISTS. |