An improved process for preparing pure ondansetron...

Details An improved process for preparing pure ondansetron... An improved process for preparing pure ondansetron...

C - Chemistry, Metallurgy

07

D

C07D 403/06 (2006.01) C07D 209/86 (2006.01) C07D 209/88 (2006.01)

Patent

CA 2433720

An improved method for preparing dimethylamino-methyl-carbazolone and ondansetron base. A recrystallization process for preparing pure ondansetron hydrochloride dihydrate with a purity of at least 99.0% is also disclosed.

L'invention concerne un procédé amélioré permettant la préparation de diméthylamino-méthyl-carbazolone et d'une base d'ondansetron, et un processus de recristallisation permettant la préparation d'un chlorhydrate dihydraté d'ondansetron pur présentant une pureté d'au moins 99,0 %.

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