PYRROLIDINONES ACTIVE ON THE CENTRAL NERVOUS SYSTEM,PROCESS FOR THEIR PREPARATION AND MEDICAMENTS CONTAINING THEM

摘要

The invention relates to pyrrolidinones of the general formula: (I) in which: R1 represents hydrogen or alkyl R2 represents alkyl, phenyl or trimethylsilyl. R3 represents 2-thienyl or a phenyl possibly substituted once or twice with halogen, methyl, methoxy or a trifluoromethyl group. It relates also to a process for the production of these compounds and to the pharmaceutical compositions containing them.