Quinoline derivatives of the formula,
wherein R1, R2, R3 and R4 are each hydrogen or one of a specific range of substituents,
is one of a specific range of cyclic groups, and are useful as pharmaceuticals such as anti-senile dementia. They may be prepared by synthetic routes analogous to those described in the literature for preparing known compounds.
Compounds of the formula
wherein A, B, R¹ and R² are defined below.
The above compounds inhibit brain acetylcholinesterase and are useful in the treatment of Alzheimer's disease.
(EN) Compounds of formula (I), wherein R1, R2, A and B are defined hereinbelow. The compounds of the present invention inhibit brain acetylcholinesterase and are useful in the treatment of Alzheimer's disease.(FR) Des composés de formule (I) où R1, R2, A et B ont la notation ci-après, inhibent l'acétylcholinestérase cérébrale et sont utiles dans le traitement de la maladie d'Alzheimer.