abstract |
The present invention relates to new compounds of the formula (I) with R1 and R2 taken together with the nitrogen atom to which they bind, form a saturated ring containing nitrogen, A is a saturated C1-4 alkylene and B a C3-4 alkenylene or alkylene chain; its preparation and its use as an H3 receptor ligand to treat, for example CNS disorders such as Alzheimer's disease. |