| abstract |
The present invention relates to the new use of a compound of general formula (I) wherein: A represents (II), (III) (IV) (V) (VI); D represents oxygen or sulfur; R1 represents hydrogen or methyl; R2 represents hydrogen or C1-C4 alkyl; and R3 represents (A), (B), (C), or an enantiomer thereof, and pharmaceutically acceptable salts thereof, processes for preparing them, pharmaceutical compositions containing them and their use in therapy, especially in the treatment of prophylaxis of Psychotic disorders and intellectual impairment disorders. |