Synthesis of hydrogen perfluoroalkanes

Details Synthesis of hydrogen perfluoroalkanes Synthesis of hydrogen perfluoroalkanes

1994-01-26

1995-01-17

Siegel, Alan

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

Organic compounds

Halogen containing

C07C 1908

Patent

active

053827236

ABSTRACT:
The invention relates to the synthesis of hydrogenperfluoroalkanes R.sub.F H, R.sub.F denoting a perfluoroalkyl radical containing 2 to 20 carbon atoms, by reaction of the corresponding perfluoroalkyl iodide R.sub.F I with an alkali metal hydroxide.
The use of methanol as solvent allows the formation of tars to be avoided, an almost total conversion of R.sub.F I and an R.sub.F H of excellent purity to be obtained, and the alkali metal iodide by-product to be recovered easily.

REFERENCES:
patent: 4929318 (1990-05-01), Furutaka et al.
Journal of the Chemical Society, 1951, Letchworth GB, pp. 60-64.
J. Banus, et al.: "The Heterolytic Fission of the Carbon-Iodine Bond in Trifluoroidomethane".

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