Process for the preparation of perhaloalkanoyl chloride

Details Process for the preparation of perhaloalkanoyl chloride Process for the preparation of perhaloalkanoyl chloride

1980-12-15

1982-07-20

Trousof, Natalie

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C 5158

Patent

active

043405487

ABSTRACT:
A process for the preparation of perhaloalkanoyl chloride is disclosed which comprises reacting 1,1,1-trichloroperfluoroalkane, with a sulfur trioxide-containing compound selected from the group consisting of oleum sulfur trioxide and stabilized sulfur trioxide in the presence of catalytic amounts of a halogen catalyst selected from the group consisting of iodine, bromine, iodine monobromide and iodine monochloride and bromine monochloride. The preferred product is trifluoroacetyl chloride.

REFERENCES:
patent: 3102139 (1963-08-01), Lawlor et al.
patent: 3151051 (1964-09-01), Braid et al.
patent: 3160659 (1964-12-01), Dittman et al.

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