Process for the preparation of 3-amino-8-(1-piperazinyl)...

Details Process for the preparation of 3-amino-8-(1-piperazinyl)... Process for the preparation of 3-amino-8-(1-piperazinyl)...

C - Chemistry, Metallurgy

07

D

C07D 311/18 (2006.01) A61K 31/496 (2006.01) A61P 25/00 (2006.01)

Patent

CA 2554041

The invention relates to a novel process for the preparation of 3-amino-8- (1~piperazinyl)-2H-1-benzopyran-2-one, a broad spectrum 5-HT receptor binding ligand having potent 5-HT1A-agonistic as well as 5-HT1D-antagonistic activity. The invention also relates to novel salts and solvates, in particular hydrates of salts of said compound, as well as to their use as medicaments. The invention relates the compounds with the formula (7).

La présente invention concerne un nouveau procédé permettant l'élaboration de 3-amino-8-(1-pipérazinyl)-2H-1-benzopyran-2-one, un ligand à large spectre se liant au récepteur du 5-HT, fortement agoniste du 5-HT¿1A?, et fortement antagoniste du HT¿1D?. L'invention concerne également de nouveaux sels et solvates, en particulier des hydrates de sels de ce composé, ainsi que leur utilisation comme médicaments. L'invention concerne les composés représentés par la formule (7).

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