abstract |
The present invention relates to compounds of formula (I)n nwherein nn represents 0, 1, 2, 3, 4 or 5, nR represents independent from each other hydroxyl, cyano, nitro, halogen, alkyl, alkoxy alkylcarbonyl, alkoxycarbonyl, alkylamine, dialkylamine, alkylcarbonylamine, alkylcarbamate nY represents one of the following groups:n nin free base or acid addition salt form, to processes for their production to pharmaceutical compositions comprising them and for use as cholinergic ligands of n-AChR. |