2, 6, 9-substituted purine derivatives having anti...

C - Chemistry – Metallurgy – 07 – D

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C07D 473/16 (2006.01) A61K 31/52 (2006.01) A61P 35/00 (2006.01)

Patent

CA 2681529

The present invention relates to compounds of formula (I) wherein: R1 and R2 are each independently H, alkyl or haloalkyl; R3 and R4 are each independently H, alkyl, haloalkyl or aryl; R5 is alkyl or cycloalkyl or cycloalkyl-alkyl, each of which may be optionally substituted with one or more OH groups; R6 is selected from cyclopropylamino, cyclopropylmethylamino, cyclobutylamino, cyclobutylmethylamino and formula (a) where one of X, Y and Z is N and the remainder are CR9; R7, R8 and each R9 are independently H, alkyl or haloalkyl, wherein at least one of R7, R8 and each R9 is other than H. A further aspect of the invention relates to pharmaceutical compositions comprising compounds of formula (I), and the use of said compounds in treating proliferative disorders, viral disorders, stroke, alopecia, CNS disorders, neurodegenerative disorders, or diabetes.

L'invention concerne des composés représentés par la formule (I) dans laquelle : R1 et R2 représentent chacun indépendamment H, alkyle ou halogénoalkyle; R3 et R4 représentent chacun indépendamment H, alkyle, halogénoalkyle ou aryle; R5 représente alkyle, cycloalkyle ou cycloalkyle-alkyle, chacun d'eux pouvant être éventuellement substitué par un ou plusieurs groupes OH; R6 est choisi dans le groupe constitué par cyclopropylamino, cyclopropylméthylamino, cyclobutylamino, cyclobutylméthylamino et est représenté par la formule (a) dans laquelle l'un de X, Y ou Z représente N, les autres représentant CR9; R7, R8 et chacun de R9 représentent indépendamment H, alkyle ou halogénoalkyle, au moins l'un de R7, R8 et chacun de R9 étant différent de H. L'invention concerne également des compositions pharmaceutiques comprenant les composés représentés par la formule (I), et l'utilisation de ces composés dans le traitement des affections prolifératives, des affections virales, des accidents cérébraux-vasculaires, de l'alopécie, des troubles du SNC, des troubles neurodégénératifs ou du diabète.

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