AMINOQUINOLINE AND AMINOPYRIDINE DERIVATIVES AND USE THEREOF AS LIGANDS OF A3 ADENOSINE

摘要

Compounds of general formula (1), 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.