Title:
CATALYTIC PROCESS FOR PREPARING PERFLUOROETHANESULFONYL FLUORIDE AND/OR PERFLUORODIETHYLSULFONE
Document Type and Number:
WIPO Patent Application WO2003095422
Kind Code:
A3
Abstract:
The present invention provides a catalytic process for preparing perfluoroethanesulfonyl fluoride and/or perfluorodiethylsulfone by reaction of tetrafluoroethylene with sulphuryl fluoride in a polar aprotic solvent using a two-part catalyst system comprising a metal fluoride and a crown ether.
Inventors:
LAMANNA WILLIAM M
BARRERA MICHAEL D
BAUER GERALD L
CHEBURKOV YURI
BARRERA MICHAEL D
BAUER GERALD L
CHEBURKOV YURI
Application Number:
PCT/US2003/007886
Publication Date:
April 08, 2004
Filing Date:
March 13, 2003
Export Citation:
Assignee:
3M INNOVATIVE PROPERTIES CO (US)
International Classes:
B01J31/26; C07B61/00; C07C303/02; C07C315/00; C07C315/04; C07C317/04; C07C309/80; (IPC1-7): C07C303/02; C07C309/80; C07C315/00; C07C317/04
Other References:
R.A. DE MARCO, ET AL.: "Reactions of the difluoramine-potassium fluoride adduct, HNF2.KF, with sulphinyl and perfluoroalkylsulphinyl fluorides. Preparation of perfluoroalkyl perfluoroalkylthiosulphonates", INORGANIC CHEMISTRY, vol. 12, no. 8, August 1973 (1973-08-01), AMERICAN CHEMICAL SOCIETY, WASHINGTON, DC, US, pages 1896 - 1899, XP002257106
S. TEMPLE: "The reaction of sulphuryl fluorides with fluoro olefins", JOURNAL OF ORGANIC CHEMISTRY, vol. 33, no. 1, January 1968 (1968-01-01), AMERICAN CHEMICAL SOCIETY, WASHINGTON, DC, US, pages 344 - 346, XP002257105
T. IMAGAWA, ET AL.: "New routes to bis(F-alkyl) sulphones", INORGANIC CHEMISTRY, vol. 22, no. 6, 16 March 1983 (1983-03-16), AMERICAN CHEMICAL SOCIETY, WASHINGTON, DC, US, pages 969 - 971, XP002257120
O.A. RADCHENKO, ET AL.: "Synthesis and reactions of pentafluoroethanesulphinic and pentafluoroethanesulphonic acids", JOURNAL OF ORGANIC CHEMISTRY OF THE USSR, vol. 17, no. 3, March 1981 (1981-03-01), CONSULTANTS BUREAU, NEW YORK, US, pages 421 - 425, XP000926424, ISSN: 0022-3271
S. TEMPLE: "The reaction of sulphuryl fluorides with fluoro olefins", JOURNAL OF ORGANIC CHEMISTRY, vol. 33, no. 1, January 1968 (1968-01-01), AMERICAN CHEMICAL SOCIETY, WASHINGTON, DC, US, pages 344 - 346, XP002257105
T. IMAGAWA, ET AL.: "New routes to bis(F-alkyl) sulphones", INORGANIC CHEMISTRY, vol. 22, no. 6, 16 March 1983 (1983-03-16), AMERICAN CHEMICAL SOCIETY, WASHINGTON, DC, US, pages 969 - 971, XP002257120
O.A. RADCHENKO, ET AL.: "Synthesis and reactions of pentafluoroethanesulphinic and pentafluoroethanesulphonic acids", JOURNAL OF ORGANIC CHEMISTRY OF THE USSR, vol. 17, no. 3, March 1981 (1981-03-01), CONSULTANTS BUREAU, NEW YORK, US, pages 421 - 425, XP000926424, ISSN: 0022-3271
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