Process for the preparation of a fluorinated acid

Details Process for the preparation of a fluorinated acid Process for the preparation of a fluorinated acid

1996-09-10

1998-04-07

Gorgos, Kathryn L.

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

20415789, 562542, 562543, 562544, C07C 1700, C07C 5100, C07C 5116, C07C 5131

Patent

active

057360120

ABSTRACT:
A process for the preparation of a fluorinated acid such as trifluoroacetic acid, including admixing an hydrofluorocarbon, such as 1,1,1-trifluoroethane, with chlorine, an oxidizing agent and an additive to prevent or minimize decomposition; and irradiating the reaction mixture with a light source having a wavelength ranging from 2000 .ANG. to 14000 .ANG..

REFERENCES:
Allen, D.R., "Preparation of Trifluoroacetic Acid", J. Org. Chem., 26, 1961, p. 923, Mar.
Banks, R.E. et al. "Organo Fluorine Chemistry-Principles and Commercial Applications" Plenum Press, New York, 1994, p. 133 *.
Haszeldine, R.N. and Nyman, R. "Oxidation of Polyhalogeno-compounds. Part II. Photolysis and Photochemical Oxidation of Some Chlorofluoroethanes," J. Chem. Soc. 1959, p. 387 *.
Haszeldine, R.N. and Nyman, R. "Oxidation of Polyhalogeno-compounds. Part III. Thermal Oxidation of Some Chlorofluoroethanes," J. Chem. Soc. 1959, p. 420 *.
Henne, A.L. and Renoll, M.W., "Fluoroethanes and Fluoroethylenes. V" J. Am. Chem. Soc., 1936, p. 889, Jun.
Haszeldine et al., "Oxidation of Polyhalogeno-Compounds. PartII. Photolysis and Photochemical Oxidation of Some Chlorofluoroethanes", J. Chem. Soc., pp. 387-396, ?/1959.

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