Apovincaminic derivatives of acid, process for their preparation and pharmaceutical compositions containing these derivatives

THE INVENTION IS ON A NEW RACEMIC DERIVATIVES AND OPTICALLY ACTIVE ACID FORMULA apovincaminic (I) (CF DRAWING IN BOPI) OR, R AND SETUP ATOM HYDROGEN POSITION AND R 3 IS AS DEFINED IN CLAIMS AND TO THEIR SALTS aDDITION ACID PHARMACEUTICAL ACCEPTABLE FOR POINT.