Process for the synthesis of fluorinated alkyl sulphonyl halides

Details Process for the synthesis of fluorinated alkyl sulphonyl halides Process for the synthesis of fluorinated alkyl sulphonyl halides

1997-09-19

1998-07-14

Geist, Gary

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

Organic compounds

Sulfur containing

568 28, C07C31504

Patent

active

057806829

ABSTRACT:
Preparation of fluorinated alkyl sulphonyl halides having the general formula: ##STR1## where R.sup.I.sub.f is fluorinated alkyl group and R.sup.II.sub.f is a fluorinated alkyl group or fluorine, X is a halogen atom, and Y is a proton, a halogen atom, or a fluorinated alkyl groups, by reaction of a corresponding fluorinated unsaturated hydrocarbon with sulphuryl halide, wherein the reaction is carried out in the presence of at least catalytic amounts of a fluoride in a solvent comprising compounds having one or more SO and/or SO.sub.2 groups incorporated in the compound structure.

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Hawley's Condensed Chemical Dictionary, R Lewis ed., 1993 pp. 9 and 416, 1993.
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Mechanism and Theory in Organic Chemistry, 2nd ed, p. 164, 1971.
Q.A. Radchenko, et al., "Perfluoroisoalkanesulfinic And Perfluoroisoalkanesulfonic Acids", Institute of Organic Chemistry, Academy of Sciences of the Ukrainilan SSR, vol. 14, No. 2, pp. 251-254.
Hsu-Nan Huang, et al., "Novel Synthesis of Unusual Classes of Fluorocarbon Organosulfur Compounds Using Elemental Fluorine as a Reagent", Inorg. Chem. 1991, vol. 30, No. 4, pp. 789-794.
Stanley Temple, "The Reaction of Sullfuryl Fluoride and Sulfonyl Fluorides with Fluoro Olefins", The Journal of Organic Chemistry, vol. 33, No. 1 Jan. 1968.

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