Synthesis of perfluoroalkyl bromides
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United States of America Patent
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Oct 15, 1991
Grant Date -
N/A
app pub date -
Nov 21, 1990
filing date -
Nov 24, 1989
priority date (Note) -
Expired
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Abstract
The invention relates to the preparation of perfluoroalkyl bromides or bromoperfluoroalkanes C.sub.n F.sub.2n+1 -Br (n=1 to 20). A perfluoroalkanesulphonyl chloride C.sub.n F.sub.2n+1 -SO.sub.2 Cl is reacted with a compound of formula: ##STR1## in which X represents a nitrogen or phosphorus atom and R.sup.1, R.sup.2, R.sup.3 and R.sup.4, which may be identical or different, each represent an optionally substituted hydrocarbon radical, it also being possible for one of these symbols to be a hydrogen atom.
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