Reactive compounds containing perfluorovinyl groups

Details Reactive compounds containing perfluorovinyl groups Reactive compounds containing perfluorovinyl groups

C - Chemistry, Metallurgy

07

C

260/489, 400/500

C07C 43/20 (2006.01) C07C 43/225 (2006.01) C07C 45/65 (2006.01) C07C 45/70 (2006.01) C07C 45/72 (2006.01) C07C 47/575 (2006.01) C07C 49/84 (2006.01) C07C 65/21 (2006.01) C07C 69/017 (2006.01) C07C 69/92 (2006.01) C07C 205/37 (2006.01) C07C 217/84 (2006.01) C08F 289/00 (2006.01) C08G 64/10 (2006.01) C08G 64/14 (2006.01)

Patent

CA 2031186

-55- ABSTRACT The present invention is directed to a compound and a process for preparing a compound having at least one perfluorovinyl group and at least one functional group, the compound suitable for reacting with and/or forming polymers. The compound is preferably represented by the following Formula I: (G)n-R-(X-CF=CF2)m Formula I wherein R represents an optionally substituted hydrocarbyl group, X represents any group which links R and a perfluorovinyl group; n is an integer of at least 1, m is an integer of at least 1; and G represents any reactive functional group or a group convertible into a reactive functional group. The process for preparing the compound of Formula I comprises the steps of: -56- (a) preparing a 2-halotetrafluoro compound of the following Formula III: (Q-CF2-CF2-X)m-R-(G")n Formula III wherein R, X, m and n are as defined for Formula I and Q is bromine, chlorine or iodine; and G" is a functional group G. or a functional group suitable for conversion into G; (b) chemically modifying group G" to produce functional group G where G" is a functional group suitable for a conversion into G; and (c) dehalogenating the 2-halotetrafluoro compound to form the corresponding trifluorovinyl compound.

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