Novel form of...

C - Chemistry – Metallurgy – 07 – D

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C07D 295/04 (2006.01) C07D 295/135 (2006.01) C07D 413/12 (2006.01)

Patent

CA 2415046

This invention relates to a novel form of a serotonin h5-HT¿1B?-receptor antagonist, namely a novel form of a salt of (R)-N-[5-methyl-8-(4-methylpiperazin-1-yl)-1,2,3,4-tetrahydro-2-naphtyl]-4-morpholinobenzamide referred to as (R)-N-[5-methyl-8-(4-methylpiperazin-1-yl)-1,2,3,4-tetrahydro-2-naphtyl]-4-morpholinobenzamide monohydrobromide Form A. The invention also relates to processes for preparation of said of Form A, which form has a potential use after suitable pharmaceutical formulation in medical treatment, preferably in CNS disorders, over active bladder or vasospam, or growth control of tumors.

Cette invention se rapporte à une nouvelle forme d'un antagoniste du récepteur de sérotonine h5-HT¿1B?, à savoir une nouvelle forme d'un sel de (R)-N-[5-méthyl-8-(4-méthylpipérazin-1-yl)-1,2,3,4-tétrahydro-2-naphtyl]-4-morpholinobenzamide, appelée forme A de monohydrobromure de (R)-N-[5-méthyl-8-(4-méthylpipérazin-1-yl)-1,2,3,4-tétrahydro-2-naphtyl]-4-morpholinobenzamide. Cette invention se rapporte également à des procédés de préparation de cette forme A, laquelle a une utilisation potentielle après une formulation pharmaceutique appropriée dans des traitements médicaux, de préférence contre les troubles du système nerveux central, contre la vessie active ou les spasmes vasculaires ou pour la régulation de la croissance des tumeurs.

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