Quinazolines and phthalazines having adenosine uptake inhibitor activity

摘要

The present invention relates to an adenosine uptake inhibitor and an agent for the myocardium protection or the prevention or treatment of inflammatory edema, comprising a 1,2,3,4-tetrahydro-2,4-dioxoquinazoline derivative represented by formula (I): <IMAGE> (I) wherein R1 represents hydrogen, substituted or unsubstituted lower alkyl, alkenyl, or substituted or unsubstituted aralkyl; R2, R3, R4, and R5 independently represent hydrogen, halogen, amino, mono- or di(lower alkyl)amino, lower alkanoylamino, nitro, cyano, substituted or unsubstituted lower alkyl, hydroxy, lower alkoxy, lower alkylthio, carboxy, lower alkoxycarbonyl, lower alkanoyl, aralkyloxy, or lower alkanoyloxy; R6, R7, R8, and R9 independently represent hydrogen, hydroxy, substituted or unsubstituted lower alkoxy, or aralkyloxy, or any adjoining two of them are combined to form methylenedioxy; R10 represents hydrogen or lower alkyl; and Y and Z independently represent N or C-R11 (wherein R11 represents hydrogen, substituted or unsubstituted lower alkyl, or halogen), or a pharmaceutically acceptable salt thereof as an active ingredient.