PROCESS FOR PREPARING 2-PIPERAZINYL 4-PHENYL QUINAZOLINE DERIVATIVES

摘要

The menthod for preporing 2-piperazinly-4-phenyl quinazoline derivatives(I) is presented. In (I), R3 is halogen, chloride or nitro group; R4 is bydrogen or C1-C4 lower alkyl group; R5 is halogen, chloride or fluorine. The above derivatives have the activity in the central nervous system and are especially used in medical treatment of melancholia.