Process for producing fluorinated alkyl ether

Details Process for producing fluorinated alkyl ether Process for producing fluorinated alkyl ether

2007-03-20

2007-03-20

Wu, David W. (Department: 1713)

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

C568S413000, C568S681000, C526S247000, C528S401000

Reexamination Certificate

active

11348490

ABSTRACT:
To provide a process for producing a fluorinated alkyl ether, whereby a sufficient reaction rate can be attained even under mild reaction conditions, and a post-process such as distillation after the reaction can be efficiently carried out.A process for producing a fluorinated alkyl ether, which comprises introducing an aprotic polar solvent, a fluorinated ether, a catalyst, a fluorinated alkyl alcohol and a fluorinated olefin into a reactor, and then, reacting the fluorinated alkyl alcohol with the fluorinated olefin, characterized in that the ratio of the two components of the aprotic polar solvent and the fluorinated ether introduced into the reactor is the aprotic polar solvent/the fluorinated ether=5/95 to 80/20 by mass ratio.

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A. V. Fokin, et al., “Reaction of Polyfluorinated Alcohols With Fluoroolefins”, Database CA [Online], Database Accession No. 1978:22065, XP-002403493, 1997, 1 page.

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