Process for purifying fluoromethyl...

Details Process for purifying fluoromethyl... Process for purifying fluoromethyl...

C - Chemistry, Metallurgy

07

C

C07C 41/44 (2006.01) C07C 41/38 (2006.01) C07C 43/12 (2006.01)

Patent

CA 2287953

A process for purifying fluoromethyl 1,1,1,3,3,3-hexafluoroisopropyl ether containing at least 1,1,1,3,3,3-hexafluoroisopropyl alcohol. The purifying process comprises the treatment of causing fluoromethyl 1,1,1,3,3,3-hexafluoroisopropyl ether containing at least 1,1,1,3,3,3-hexafluoroisopropyl alcohol, to contact with a bass aqueous solution. The basic aqueous solution contains a basic substance in an amount providing a chemical equivalent ratio of the basic substance to 1,1,1,3,3,3-hexafluoroisopropyl alcohol being within a range of not less than 1.

L'invention concerne un procédé de purification d'éther fluorométhylique de 1,1,1,3,3,3-hexafluoro-isopropyle, contenant au moins un alcool de 1,1,1,3,3,3-hexafluoro-isopropyle. Ce procédé comprend un traitement consistant à provoquer la mise en contact d'éther fluorométhylique de 1,1,1,3,3,3-hexafluoro-isopropyle, contenant au moins un alcool de 1,1,1,3,3,3-hexafluoro-isopropyle, avec une solution aqueuse basique, laquelle contient une substance basique dont la quantité constitue un rapport équivalent chimique avec l'alcool de 1,1,1,3,3,3-hexafluoro-isopropyle, qui ne peut être inférieur à 1.

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