Process for the manufacture of hi-6 dimethanesulfonate

Details Process for the manufacture of hi-6 dimethanesulfonate Process for the manufacture of hi-6 dimethanesulfonate

C - Chemistry, Metallurgy

07

D

C07D 213/53 (2006.01)

Patent

CA 2661316

The invention provides a process for the manufacture of Hl 6 dimethanesulfonate comprising contacting an O-protected pyridine aidoxime compound with bis(methylsulphonoxymethyl) ether in a suitable solvent to form an intermediate compound, contacting said intermediate compound with isonicotinamide to form an O-protected HI 6 product precursor, and de- protecting the precursor to form HI 6 dimethanesulfonate.

L'invention concerne un procédé de fabrication du HI-6 diméthanesulfonate comportant les opérations consistant à mettre en contact un composé pyridine aldoxime O-protégé avec du bis(méthylsulfonoxyméthyl)éther dans un solvant approprié pour former un composé intermédiaire ; à mettre en contact ledit composé intermédiaire avec de l'isonicotinamide pour former un précurseur de produit HI-6 O-protégé ; et à dé-protéger le précurseur pour former le HI 6 diméthanesulfonate.

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