Conversion of 1,1,1-trichloroperhaloalkanes into perhaloalkanoyl

Details Conversion of 1,1,1-trichloroperhaloalkanes into perhaloalkanoyl Conversion of 1,1,1-trichloroperhaloalkanes into perhaloalkanoyl

1982-04-29

1983-10-25

Trousof, Natalie

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C 5158

Patent

active

044118430

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 wherein the 1,1,1-trichloroperhaloalkane is a straight or branched chain acyclic organic compound having 2 to 8 carbon atoms and having at least one trihalomethyl group wherein at least one halo atom is fluorine and having the remaining carbon atoms substituted by F, Cl, Br or I atoms.

REFERENCES:
patent: 3102139 (1963-08-01), Lawler et al.
patent: 3725475 (1973-04-01), Paucksch et al.
patent: 4340548 (1982-07-01), Anello et al.

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