abstract |
The present invention provides compounds of the formula: n n n wherein m is 0, 1 or 2; p is 0 or 1; Y is O, S, S(O) or S(O) 2 and R 1 to R 7 are various substituents as selective modulators of the nicotinic acetylcholine receptor useful in the treatment of pain, Alzheimer's disease, memory loss or dementia or loss of motor function. |