| abstract |
The invention relates to compounds of formula (1), wherein R1, R2', R2'', R2''', R3 and n are defined as per claim 1. Said compounds are effectors of the nicotinic and/or muscarinic acetylcholine receptor and are suitable for the prophylaxis or treatment of schizophrenia, depression, panic attacks, dementia, Alzheimer's disease, Lewy body dementia, neurodegenerative diseases, Parkinson's disease, Huntington's chorea, Tourette's syndrome, learning limitations and memory loss, senile mnemasthenia, for relieving withdrawal symptoms in nicotine dependency, or for the prophylaxis or treatment of cerebral apoplexy or cerebral damage caused by toxic compounds. |