SUBSTITUTED CHINAZOLINES AND MEDICAMENTS FOR THE TREATMENT OF HYPERTENSION AND BRADYCARDIA.

摘要

Substituted quinazolines of the formula IMAGE wherein R1 is H, C4-20 alkyl, cycloalkyl, heterocycloalkyl, halo, COOC1-6 alkyl, CN, COOH, CH2OH, CH(OC1-6 alkyl)2 or NO2; and X and Y are each H, halo, NO2, C1-6 alkyl, C1-6 alkoxy, aryl, aralkyloxy, HO, acyloxy, aryloxy, amino, C1-6 alkylamino di C1-6 alkylamino, amido, C1-6 alkylamido, di C1-6 alkylamido, CN, COOH, COOC1-6 alkyl, CHO, CH2OH, CH2O acyl, or CH2O aryl and pharmaceutically acceptable acid addition salts thereof, provided that when X and Y are C1-6 alkoxy R1 is not H are useful for the treatment of hypertension and bradycardia and as cardiotonic agents.