Process for the preparation of 2-methyl piperazine derivatives

Details Process for the preparation of 2-methyl piperazine derivatives Process for the preparation of 2-methyl piperazine derivatives

C - Chemistry, Metallurgy

07

D

C07D 401/14 (2006.01) C07C 51/41 (2006.01) C07C 59/245 (2006.01)

Patent

CA 2485532

The present invention relates to a process for the preparation of compounds which are therapeutically active in the central nervous system. In one aspect, the invention relates to a process for the preparation of compounds of the general formula (I). The invention also relates to (2R)-1-(3-chloro-2- pyrazinyl)-2-methylpiperazine, hydrochloride and a process for preparing the same. Another object of the present invention is a compound of the formula (I). Another object of the present invention is a method for the treatment or prophylaxis of a serotonin-related disorder, comprising administering to a subject in need thereof an effective amount of the compound above; as well as the use of said compound to manufacture a medicament for the treatment of a serotonin-related disorder.

Cette invention se rapporte à un procédé de préparation de composés qui sont thérapeutiquement actifs dans le système nerveux central. Dans l'un de ses aspects, cette invention concerne un procédé de préparation de composés représenté par la formule (I). Cette invention se rapporte également aux composés (2R)-1-(3-chloro-2-pyrazinyl)-2-méthylpipérazine, à de l'hydrochlorure et à un procédé de préparation de ceux-ci. Cette invention concerne également un composé représenté par la formule (I). Cette invention concerne en outre un procédé de traitement ou de prophylaxie des troubles liés à la sérotonine, ce procédé consistant à administrer à un sujet nécessitant un tel traitement une quantité efficace du composé mentionné ci-dessus ; ainsi que l'utilisation de ce composé pour fabriquer un médicament destiné au traitement d'un tel trouble lié à la sérotonine.

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