2-alkynyl-and...

C - Chemistry – Metallurgy – 07 – D

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C07D 487/14 (2006.01) A61K 31/519 (2006.01) A61P 25/16 (2006.01)

Patent

CA 2522813

Compounds having the structural formula (I) or a pharmaceutically acceptable salt thereof, wherein R is R1, R2, R3, R4 and R5 are H, alkyl or alkoxyalkyl; R6 is H, alkyl, hydroxyalkyl or -CH2F; R7, R8 and R9 are H, alkyl, alkoxy, alkylthio, alkoxyalkyl, halo or -CF3; and Z is optionally substituted aryl, heteroaryl or heteroaryl-alkyl are disclosed. Also disclosed is the use of compounds of formula I in the treatment of central nervous system diseases, in particular Parkinson's disease, alone or in combination with other agents for treating Parkinson's disease, and pharmaceutical compositions comprising them.

La présente invention concerne des composés représentés par la formule (I) ou un sel pharmaceutiquement acceptable de ces derniers. Dans la formule, R représente (A) ; R?1, ¿R?2¿, R?3¿, R?4¿ et R?5¿ représentent H, alkyle ou alcoxyalkyle; R?6¿ représente H, alkyle, hydroxyalkyle ou -CH¿2?F; R?7¿, R?8¿ et R?9¿ représentent H, alkyle, alcoxy, alkylthio, alcoxyalkyle, halo ou -CF¿3?; et Z représente aryle, hétéroaryle ou hétéroaryle-alkyle éventuellement substitué. La présente invention porte également sur l'utilisation de composés de formule (I) dans le traitement des maladies du système nerveux central, notamment la maladie de Parkinson, seuls ou en combinaison avec d'autres agents de traitement de la maladie de Parkinson, et sur des compositions pharmaceutiques comprenant ces derniers. Formule (I)

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