SUBSTITUTED DERIVATIVES OF 20,21-DINOREBURANAMENINE,THEIR PREPARATION PROCESS AND THE NEW INTERMEDIATES THUS OBTAINED,THEIR USE AS MEDICAMENTS AND THE PHARMACEUTICAL COMPOSITIONS CONTAINING THEM

摘要

A compound and all possible racemic or optically active isomer forms, selected from the group consisting of compound of the formula IMAGE (I) wherein the substituents are defined as set forth in the application as filed. Useful for treating cerebral insufficiencies of anoxic or ischemic origin.