NOVEL QUINAZOLINE DERIVATIVES, A PHARMACEUTICAL COMPOSITION CONTAINING SUCH DERIVATIVES AS ACTIVE INGREDIENT AND A PROCESS FOR PRODUCING THE QUINAZOLINE DERIVATIVES

摘要

There are presented novel quinazoline derivatives, namely 2-(4-substituted-carbamoyl-piperazin-1-yl)quinazoline derivatives, 2-(4-substituted-carbamoyl-homopiperazin-1-yl)quinazoline derivatives, 2-(4-substituted-thiocarbamoyl-piperazin-1-yl)quinazoline derivatives and 2-(4-substituted-thiocarbamoyl-piperazin-1-yl)quinazoline derivatives, having excellent antihypertensive activities.