Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acid esters
Patent
1994-08-12
1996-01-02
Siegel, Alan
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acid esters
562833, 568684, 570165, 570166, 570168, C07C 6966, C07C 4300, C07C 1708
Patent
active
054810280
ABSTRACT:
A process for the preparation of perfluoroalkyl iodides, especially perfluoroethyl iodide, by reaction of perfluorinated compounds which contain a carbon carbon double bond with ICl in HF solvent in the presence of Lewis acid catalysts. The compounds are used as telogens for the telomerization of tetrafluoroethylene to long-chain perfluoroalkyl iodides.
REFERENCES:
patent: 3132185 (1964-05-01), Parsons
patent: 3283020 (1966-11-01), Parsons
patent: 3829512 (1974-08-01), Millauer
Krespan Carl G.
Petrov Viacheslav A.
E. I. Du Pont de Nemours and Company
Siegel Alan
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