Process for the preparation of onium salts having a low...

Details Process for the preparation of onium salts having a low... Process for the preparation of onium salts having a low...

C - Chemistry, Metallurgy

07

D

C07D 233/58 (2006.01) C07C 209/84 (2006.01) C07D 213/06 (2006.01) C07F 9/02 (2006.01) C07F 9/54 (2006.01)

Patent

CA 2573746

The invention relates to a method for producing onium salts with a low chloride content by reacting an onium chloride with an acid. According to the invention, the hydrochloric acid that is produced can be removed by co- ordination with an organic solvent, which forms an azeotropic mixture with water, and by subsequent azeotropic distillation.

L'invention concerne un procédé pour produire des sels d'onium à faible teneur en chlorure en mettant à réagir un chlorure d'onium avec un acide. L'acide chlorhydrique qui se forme alors peut être éliminé par coordination avec un solvant organique formant un mélange azéotrope avec l'eau et par distillation azéotrope subséquente.

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