ACRYLIC ACID DERIVATIVES, AMINES USED FOR PREPARING SAID DERIVATIVES, PROCESS FOR PREVENTION OR TREATMENT OF DISEASE

摘要

FIELD: medicine. SUBSTANCE: porgenic acid derivative which exhibits adenosine A1 antagonism is defined by the following general formula (I):wherein A represents aromatic ring; Ris aryl or the like; R, Rand Reach is hydrogen, lower alkyl and the like, and Rand Ris each lower alkyl or the like or pharmacologically acceptable salt thereof. EFFECT: improved properties of the title compounds.