Process for preparing amorphous rifaximin and the amorphous...

Details Process for preparing amorphous rifaximin and the amorphous... Process for preparing amorphous rifaximin and the amorphous...

C - Chemistry, Metallurgy

07

D

C07D 498/22 (2006.01)

Patent

CA 2691394

A process is described which enables Rifaximin in a completely amorphous form to be obtained. Said process comprises the steps of dissolving crude Rifaximin in absolute ethanol while hot and then collecting after precipitation by- cooling the title compound under amorphous form.

L'invention porte sur un procédé qui permet d'obtenir de la rifaximine dans une forme complètement amorphe.

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