Treatment of cognitive disorders

A - Human Necessities – 61 – K

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Details

A61K 31/445 (2006.01) A61K 31/505 (2006.01) A61K 31/535 (2006.01)

Patent

CA 2105385

1-Aryl-3-(4-piperidyl)-indole derivatives having general formula (I), wherein R1 is hydrogen, halogen, alkyl, alkoxy, hydroxy, cyano, nitro, alkylthio, trifluoromethyl, trifluoromethylthio, alkylsulfonyl, amino, alkylamino or dialkylamino; R is optionally substituted phenyl or a heteroaromatic group; and R2 is hydrogen, cycloalkyl, alkyl or alkenyl, optionally substituted with one or two hydroxy groups, or R2 is a group of formula (IV), wherein n is an integer from 2-6; W is oxygen, sulphur or N-R3, wherein R3 is H, alkyl or cycloalkyl; U is nitrogen or carbon; Z is -(CH2)m-, m being 2 or 3, or Z is -CH=CH-, 1,2-phenylene, or-COCH2- or-CSCH2-; V is oxygen, sulphur, CH2, or NR4, wherein R4 is hydrogen, optionally hydroxy substituted alkyl, alkenyl or cycloalkylmethyl; are useful in the treatment of cognitive disorders in man.

On décrit des dérivés de 1-aryl-3-(4-pipéridyl)-indole de formule générale (I) dans laquelle R1 est hydrogène, halogène, alkyle, alcoxy, hydroxy, cyano, nitro, alkylthio, trifluorméthyle, trifluorméthylthio, alkylsulfonyle, amino, alkylamino ou dialkylamino; R est éventuellement phényle substitué ou un groupe hétéroaromatique; et R2 est hydrogène, cycloalkyle, alkyle ou alcényle, éventuellement substitués par un ou deux groupes hydroxy, ou bien R2 est un groupe de formule (IV) dans laquelle n est un nombre entier compris entre 2 et 6; W est oxygène, soufre ou N-R3, où R3 est H, alkyle ou cycloalkyle, U est azote ou carbone; Z est -(CH2)m-, m étant 2 ou 3, ou bien Z est -CH=CH-, 1,2-phénylène, ou -COCH2- ou -CSCH2-; V est oxygène, soufre, CH2, ou NR4, où R4 est hydrogène, alkyle, alcényle ou cycloalkylméthyle éventuellement substitués par hydroxy. Lesdits dérivés sont utiles pour traiter les troubles cognitifs chez l'homme.

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