Method of purifying...

Details Method of purifying... Method of purifying...

C - Chemistry, Metallurgy

07

C

C07C 43/12 (2006.01) C07C 41/34 (2006.01)

Patent

CA 2163795

A highly pure fluoromethyl 1,1,1,1,3,3,3-hexafluoroisopropyl ether can be obtained by contacting the crude ether with a Bronsted acid, a Lewis acid, or an acid immobilized by, for example, a resin to remove impurities which are difficult to expel by distillation.

Ether 1,1,1,3,3,3-hexafluoroisopropylique de fluorométhyle de grande pureté obtenu par mise en contact de l'éther brut avec un acide de Brønsted, un acide de Lewis ou un acide immobilisé, par exemple, par une résine, afin d'éliminer les impuretés difficilement éliminables par distillation.

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