Non-imidazole alkylamines as histamine h3-receptor ligands and their therapeutic applications

Abstract From the Canadian patent

Use of a compound of formula (A), wherein: W is a residue which imparts antagonistic and/or agonistic activity at histamine H3-receptors when attached to an imidazole ring in 4(5) position; R1 and R2 may be identical or different and represent each independently a lower alkyl or cycloalkyl or taken , together with the nitrogen atom to which they are attached a saturated , nitrogen-containing ring (i) as defined a non-aromatic unsaturated nitrogen-, containing ring (ii) as defined a morpholino group, or a N-substituted piperazino group as defined for preparing medicaments acting as antagonists and/or agonists at the H3-receptors of histamine.