A DRUG ACTIVE ON THE CENTRAL NERVOUS SYSTEM, A PROCESS FOR THE PREPARATION THEREOF AND PHARMACEUTICAL COMPOSITIONS CONTAINING IT

摘要

A DRUG ACTIVE ON THE CENTRAL NERVOUS SYSTEM, A PROCESS FOR THE PREPARATION THEREOF AND PHARMACEUTICAL COMPOSITIONS CONTAINING IT. The agent is the compound 3-{2-¢4-(6-fluoro-benzo¢d!isoxazol-3-yl)-3,6-dihydro-2H-pyridin-1-yl!-ethyl}-2-methyl-6,7,8,9-tetrahydropyrido¢1,2-a!pyrimidin-4-one having the formula (I) <IMG> I and pharmaceutically acceptable salts thereof; the process is based on the reduction of a selected pyridin salt by means of a metal borohydride; its preferred application is as an antipsychotic agent.