Process for the preparation of...

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C - Chemistry, Metallurgy

07

C

C07C 201/12 (2006.01) C07C 205/38 (2006.01) C07D 307/91 (2006.01)

Patent

CA 2583497

The present invention relates to a method of preparing N-(3,5-dichloropyrid-4- yl)-4-difluoromethoxy-8-methanesulfonamido-dibenzo[b,d]furan-1-carboxamide and pharmaeutically acceptable salts thereof, such as its sodium salt, and novel intermediate compounds useful in the synthesis of the aforementioned compound.

L'invention concerne un procédé de préparation de N-(3,5-dichloropyrid-4-yl)-4-difluorométhoxy-8-méthanesulfonamido-dibenzo[b,d]furan-1-carboxamide et des sels acceptables sur le plan pharmaceutique de celui-ci, tel que le sel de sodium de celui-ci, et des composés d'intermédiaires utiles dans la synthèse dudit composé.

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