Process for the preparation of halogenomethylketones, in particu

Details Process for the preparation of halogenomethylketones, in particu Process for the preparation of halogenomethylketones, in particu

1991-07-31

1992-03-03

Reamer, James H.

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

Organic compounds

Oxygen containing

568323, 560174, C07C 4550

Patent

active

050935321

ABSTRACT:
Halogenomethylketones are prepared from nitro compounds by treating the latter in alcoholic solution with sodium alkoxide or potassium alkoxide, cooling to a temperature in the range -10.degree. to -100.degree. C. and then allowing the mixture to react with ozone at -10.degree. to -100.degree. C. The process is particularly suitable for the preparation of 1,1,1-trifluoroacetone from 1,1,1-trifluoro-2-nitropropane.

REFERENCES:
J. Chem. Soc., p. 835, (1950).
J. Chem. Soc., p. 1273 (1954).

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