Fused bicyclic-substituted amines as histamine-3 receptor...

C - Chemistry – Metallurgy – 07 – D

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C07D 417/04 (2006.01) A61K 31/404 (2006.01) A61K 31/423 (2006.01) A61K 31/425 (2006.01) A61P 25/00 (2006.01) C07D 403/06 (2006.01) C07D 413/06 (2006.01) C07D 417/06 (2006.01) C07D 417/14 (2006.01)

Patent

CA 2524787

Compounds of formula (I) are useful in treating conditions or disorders prevented by or ameliorated by histamine-3 receptor ligands. Also disclosed are pharmaceutical compositions comprising the histamine-3 receptor ligands and methods for using such compounds and compositions. X is O, S, NH, or N(alkyl); Y, and Y~ are each independently selected from the group consisting of CH, CF, and N; Z is C or N, provided that when X is O or S, Z is N; one of R1 and R2 is selected from the group consisting of aryl, heteroaryl, and heterocycle; the other of R1 and R2 is selected from the group consisting of hydrogen, alkyl, alkoxy, aryl, cycloalkyl, halo, cyano, and thioalkoxy; R3 is absent when Z is N and, when present, R3 is selected from the group consisting of hydrogen, methyl, alkoxy, halo and cyano; R4 and R5 are each independently selected from the group consisting of alkyl, haloalkyl, hydroxyalkyl, alkoxyalkyl, cycloalkyl, and cycloalkylalkyl, or R4 and R5 taken together with the nitrogen atom to which each is attached form a non-aromatic ring L is - [C(R15)(R16)]n-; m is an integer from 0-3; and n is an integer from 2-3.

L'invention concerne des composés de formule (1), utiles pour traiter des troubles ou des pathologies pouvant être prévenus ou soulagés à l'aide de ligands du récepteur de l'histamine 3. L'invention concerne des compositions pharmaceutiques comprenant des ligands du récepteur de l'histamine 3 et des méthodes pour utiliser de tels composants et de telles compositions. X désigne O, S, NH, ou N(alkyle); Y, et Y' désignent chacun indépendamment un élément sélectionné dans le groupe contenant CH, CF et N; Z désigne C ou N, à condition que lorsque X désigne O ou S, Z désigne N; un élément parmi R¿1? et R¿2? est sélectionné dans le groupe comprenant aryle, hétéroaryle et hétérocycle; l'autre élément, R¿1? ou R¿2?, est sélectionné dans le groupe comprenant hydrogène, alkyle, alcoxy, aryle, cycloalkyle, halo, cyano et thioalcoxy; R¿3? est absent lorsque Z désigne N et, lorsqu'il est présent, R¿3? est sélectionné dans le groupe comprenant : hydrogène, méthyle, alcoxy, halo et cyano; R¿4?et R¿5? désignent chacun indépendamment un élément sélectionné dans le groupe comprenant : alkyle, haloalkyle, hydroxyalkyle, alcoxyalkyle, cycloalkyle, et cycloalkylalkyle, ou R¿4? et R¿5? pris ensemble avec un atome d'azote auquel est fixé chaque élément, forment un anneau non aromatique ; L désigne -[C(R¿15?)(R¿16?)]¿n?-; m est un nombre entier compris entre 0 et 3 ; et n est un nombre entier compris entre 2 et 3.

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