Process for preparing trifluoroacetyl fluoride

Details Process for preparing trifluoroacetyl fluoride Process for preparing trifluoroacetyl fluoride

1995-06-29

1997-09-30

Killos, Paul J.

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

Organic compounds

Carboxylic halides

C07C 5158

Patent

active

056727488

ABSTRACT:
The invention relates to the preparation of trifluoroacetyl fluoride by reacting trichloroacetyl chloride with anhydrous hydrogen fluoride in the gaseous phase on a catalyst which is obtainable by reacting a water-soluble chromium (III) salt with magnesium hydroxide or magnesium oxide in the presence of water, converting the reaction mixture into a paste, drying the paste and treating it with hydrogen fluoride.

REFERENCES:
patent: 3787489 (1974-01-01), Antonini et al.
patent: 3859424 (1975-01-01), Scherer et al.
patent: 4547483 (1985-10-01), Muller et al.

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