Process for the preparation of perfluoroalkyl ketones

Details Process for the preparation of perfluoroalkyl ketones Process for the preparation of perfluoroalkyl ketones

1987-07-15

1989-02-07

Reamer, James H.

Ammunition and explosive-charge making

560 51, 568319, 568397, C07C 51373

Patent

active

048032980

ABSTRACT:
A process for the preparation of a perfluoroalkyl ketone. A perfluoroalkyl halide, zinc and an ester are brought into contact with one another. Preferably a polar aprotic solvent and/or a pyridine is also present.

REFERENCES:
patent: 3449371 (1969-07-01), Throckmorton
patent: 3481986 (1969-12-01), Hall et al.
patent: 4136121 (1979-01-01), Martini et al.
patent: 4484993 (1984-11-01), Ishikawa et al.
Reaction of Heptafluoro-1-Methylethylzinc Iodide w/Halides and Anhydrides of Carboxylic Acids; Sekiya et al., Chemical Abstracts, vol. 86, No. 19, May 9, 1977.
Reaction of Heptafluoro-1-Methylethylzinc Iodide w/Halides and Anhydrides of Carboxylic Acids; Sekiya et al., Chemistry Letters, pp. 81-84, 1977 (Published by the Chemical Society of Japan.
Synthesis of Ethyl 4-haloacetoacetates; Res. Discl. No. 116, Dec. 1977, No. 11662.,
Hexafluoroacetone; C. G. Krespan and W. J. Middleton; Fluorine Chemistry Reviews 1(1) pp. 145-196, (1967).

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