Triazolopyridazine derivatives for treating anxiety and...

C - Chemistry – Metallurgy – 07 – D

Patent

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Details

C07D 487/04 (2006.01) A61K 31/4985 (2006.01) A61P 25/28 (2006.01) C07D 237/00 (2006.01) C07D 249/00 (2006.01)

Patent

CA 2341452

A compound of formula (I), or a salt or prodrug thereof wherein: Z represents C1-6 alkyl, C3-7 cycloalkyl, C4-7 cycloalkenyl, aryl, C3-7 heterocycloalkyl, heteroaryl, di(C1-6)alkylamino or C6-12 bicycloalkyl, any of which groups may be optionally substituted; R1 represents an optionally substituted five- membered heteroaromatic ring selected from pyrrole, oxazole, thiazole, isoxazole, isothiazole, imidazole, pyrazole, oxadiazole, thiadiazole, triazole and tetrazole; or R1 represents an optionally substituted six-membered heteroaromatic ring selected from pyridine, pyrazine, pyrimidine and pyridazine; and R2 represents cyano(C1-6)alkyl, hydroxy(C1-6)alkyl, C3-7 cycloalkyl(C1-6)alkyl, propargyl, C3-7 heterocycloalkylcarbonyl(C1-6)alkyl, aryl(C1-6)alkyl or heteroaryl(C1-6)alkyl, any of which groups may be optionally substituted; its use in treating anxiety and pharmaceutical compositions comprising it; a subclass of compounds which are useful in enhancing cognition, such as Alzheimer's Disease, is also disclosed.

Cette invention se rapporte à un composé représenté par la formule (I), ou à un sel ou promédicament de ce composé. Dans cette formule, Z représente C¿1-6? alkyle, C¿3-7? cycloalkyle, C¿4-7? cycloalcényle, aryle, C¿3-7? hétérocycloalkyle, hétéroaryle, di(C¿1-6?)alkylamino ou C¿6-12? bicycloalkyle, n'importe lequel de ces grupes pouvant être éventuellement substitué; R?1¿ représente un cycle hétéroaromatique à cinq éléments éventuellement substitué, choisi parmi pyrrole, oxazole, thiazole, isoxazole, isothiazole, imidazole, pyrazole, oxadiazole, thiadiazole, triazole et tétrazole; ou R?1¿ représente un cycle hétéroaromatique à six éléments éventuellement substitué, choisi parmi pyridine, pyrazine, pyrimidine et pyridazine; et R?1¿ représente cyano(C¿1-6?)alkyle, hydroxy(C¿1-6)alkyle, C¿3-7? cycloalkyle(C¿1-6?)alkyle, propargyle, C¿3-7? hétérocycloalkylcarbonyle(C¿1-6?)alkyle, aryle(C¿1-6?)alkyle ou hétéroaryle(C¿1-6?)alkyle, n'importe lequel de ces groupe pouvant être éventuellement substitué. Cette invention se rapporte également à l'utilisation d'un tel composé comme anxiolytique et à des compositions pharmaceutiques le contenant; ainsi qu'à une sous-classe de composés utiles comme améliorants cognitifs, par exemple dans la maladie d'Alzheimer.

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