Preparation of vinyl ethers
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Nov 9, 1982
Grant Date -
N/A
app pub date -
Jun 11, 1980
filing date -
Jun 11, 1980
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to a process to produce compounds represented by the general formula Y--(CFR.sub.f).sub.a --(CFR.sub.f ').sub.b --O--CF.dbd.CF.sub.2 by decarboxylation of compounds represented by the general formula ##STR1## where a=0-3; b=0-3; provided a+b=2 or 3; Y.dbd.an acid derivative; X.dbd.Cl, I, or Br; M.dbd.OR, F, Cl, Br, I, OA; A.dbd.alkali metal, alkali earth metal, a quaternary nitrogen and hydrogen; R.sub.f ' and R.sub.f are independently selected from the group consisting of F, Cl, perfluoroalkyls and fluorochloroalkyls R.dbd.an alkyl having one or more carbon atoms or an aryl.
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