New naphthylpiperazine derivatives

C - Chemistry – Metallurgy – 07 – D

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C07D 237/32 (2006.01) A61K 31/50 (2006.01)

Patent

CA 2234789

A description is given of new naphthylpiperazine derivatives of generalformula (I) Image in which R1 and R2, equal to or different from each other, can be hydrogen, a short chain alkyl group, halogen, a nitro group, an amino group, an acylamino group and a short chain alkoxy group; n can take values between 2 and 5. and R3 can be a methoxyl radical, a fluorine and a hydrogen atom, and their addition salts with pharmaceutically acceptable acids. The compounds present affinity for serotonin 5HT1A and 5HT2 receptors and for dopamine D2 receptors, and can be useful as antipsychotics . Their preparation is also described.

Description de nouveaux dérivés de naphthylpipérazine de la formule générale (I) Image , dans laquelle R1 et R2, égaux ou différents l'un de l'autre, peuvent être un hydrogène, un groupement alkyle à courte chaîne, un halogène, un groupement nitro, un groupement amino, un groupement acylamino et un groupement alcoxy à courte chaîne; n peut avoir une valeur entre 2 et 5, et R3 peut être un radical méthoxyle, un fluor et un atome d'hydrogène, et de leurs sels d'addition avec des acides acceptables sur le plan pharmaceutique. Les composés ont une affinité pour les récepteurs 5HT1A et 5HT2 de la sérotonine et les récepteurs D2 de la dopamine, et peuvent être utiles comme antipsychotique. Leur préparation est également décrite.

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