Azacyclylbenzamide derivatives as histamine-3 antagonists

C - Chemistry – Metallurgy – 07 – D

Patent

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Details

C07D 403/12 (2006.01) A61K 31/4155 (2006.01) A61K 31/416 (2006.01) A61K 31/4178 (2006.01) A61K 31/4184 (2006.01) A61K 31/454 (2006.01) A61P 25/28 (2006.01) C07D 401/12 (2006.01)

Patent

CA 2688110

The present invention provides a compound of formula (I) and the use thereof for the treatment of a central nervous system disorder related to or affected by the histamine-3 receptor, wherein R3 and R4 are taken together with the atom to which they are attached to form an optionally substituted monocyclic 5-membered aromatic ring system optionally containing one or two additional heteroatoms selected from N, O or S or an optionally substituted fused bicyclic or tricyclic 9- to 15-membered aromatic ring system optionally containing one to three additional heteroatoms selected from N, O or S; and where R1, R2, R5, R6 and x are as defined herein.

La présente invention concerne un composé de formule (I ) et son utilisation pour le traitement d'un trouble du système nerveux central lié à un récepteur de l'histamine-3 ou affecté par celui-ci. Dans ladite formule, R3 et R4 sont pris ensemble avec l'atome auquel ils sont rattachés pour former un système cyclique aromatique à 5 chaînons monocycliques éventuellement substitués contenant éventuellement un ou deux hétéroatomes sélectionnés parmi N, O ou S ou un système cyclique aromatique comprenant entre 9 et 15 éléments bicycliques ou tricycliques fusionnés éventuellement substitués contenant éventuellement un à trois hétéroatomes supplémentaires sélectionnés parmi N, O ou S; et R1, R2, R5, R6 et x sont tels que définis dans la description.

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