Non-imidazole alkylamines as histamine h3-receptor ligands...

A - Human Necessities – 61 – K

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A61K 31/4453 (2006.01) A61K 31/138 (2006.01) A61K 31/40 (2006.01) A61K 31/445 (2006.01) C07C 217/16 (2006.01) C07C 217/20 (2006.01) C07C 217/22 (2006.01) C07C 251/48 (2006.01) C07C 255/54 (2006.01) C07D 207/20 (2006.01) C07D 211/58 (2006.01) C07D 211/60 (2006.01) C07D 211/62 (2006.01) C07D 211/70 (2006.01) C07D 213/74 (2006.01) C07D 215/38 (2006.01) C07D 215/46 (2006.01) C07D 239/42 (2006.01) C07D 271/06 (2006.01) C07D 277/82 (2006.01) C07D 295/03 (2006.01) C07D 295/088 (2006.01) C07D 295/092 (2006.01) C07D

Patent

CA 2321881

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.

L'invention concerne l'utilisation d'un composé de la formule (A) dans laquelle: W désigne un résidu doté d'une activité antagoniste et/ou agoniste sur des récepteurs H¿3? d'histamine lorsqu'il est fixé à un noyau d'imidazole en position 4(5). R?1¿ et R?2¿ peuvent être identiques ou différents et représentent chacun indépendamment un alkyle ou un cycloalkyle inférieur, ou pris ensemble avec l'atome d'azote auquel ils sont fixés; un noyau contenant de l'azote saturé (i) tel que défini; un noyau contenant de l'azote insaturé non aromatique (ii) tel que défini; un groupe morpholino, ou un groupe pipérazino N-substitué tel que défini. On utilise ce composé dans la préparation de médicaments agissant comme antagonistes et/ou agonistes sur des récepteurs H¿3? d'histamine.

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