| abstract |
1,2,3,4-tetrahydronaphtylamines of formula (I) <CHEM> wherein R is H or OCH3; <CHEM> is either at 1 or 2 position R1 is H; R2 is selected from: L-prolyl, optionally N-substituted with acetyl or carbobenzoxy, L-pyroglutamyl, (pyrrolidin-2-one-1-yl)acetyl, 3-carboxy-2-hydroxypropyl; or R1 and R2 taken together with the nitrogen atom form the ring <CHEM> wherein n = 1,2,3 and R3 = H, OH are nootropic substances potent enhancers of learning processes and memory. Orally or parenterally administrable pharmaceutical compositions in unit dosage form comprise between about 100 and about 500 mg of a compound of formula (I). |