Process for preparing aripiprazole

Details Process for preparing aripiprazole Process for preparing aripiprazole

C - Chemistry, Metallurgy

07

D

C07D 401/12 (2006.01) C07D 215/227 (2006.01)

Patent

CA 2458929

The present invention provides a process for preparing aripiprazole in a high purity and a high yield. According to the process of the present invention, aripiprazole is prepared by the reaction of a carbostyril compound represented by general formula (2): (see formula 2) (wherein X is halogen atom, lower alkanesulfonyloxy group, arylsulfonyloxy group or an aralkylsulfonyloxy group), with a piperazine compound represented by formula (3): (see formula 3) and/or a salt thereof in water, in the presence of 0.5 to 10 mol of an inorganic basic compound, per mol of the carbostyril compound (2).

L'invention concerne un procédé de préparation d'aripiprazole de haute pureté et à haut rendement: formule (1).

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