Title:
オキシ硫化物およびフッ素化有機誘導体の製造方法
Document Type and Number:
Japanese Patent JP5236629
Kind Code:
B2
Abstract:
Oxysulfide and fluorinated organic compounds, for example, perfluoroalkanesulfinic and sulfonic acids, and preferably trifluoromethanesulfinic and trifluoromethanesulfonic acids in salt form, are prepared by reacting, in the presence of an aprotic polar organic solvent: (i) a fluorocarboxylic acid having the formula Ea-CF2—COOH (I), wherein Ea is an atom or an electroattracting group at least partially forming a salt with an organic or inorganic cation; with (ii) a sulfur oxide, preferably sulfur dioxide, and further wherein the ratio of the number of moles of sulfur oxide to the number of moles of fluorocarboxylic acid is less than 1, preferably less than 0.99.
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Inventors:
Betsson, bernard
Metsu, Francois
Metsu, Francois
Application Number:
JP2009507107A
Publication Date:
July 17, 2013
Filing Date:
April 18, 2007
Export Citation:
Assignee:
Rodia Opera
International Classes:
C07C303/02; C07C309/06; C07C313/04
Domestic Patent References:
| JP3933723B2 | ||||
| JP8319244A | ||||
| JP2001507332A | ||||
| JP3056455A | ||||
| JP61010529A | ||||
| JP2042054A | ||||
| JP32009066B1 | ||||
| JP53090219A |
Attorney, Agent or Firm:
Kawaguchi International Patent Office
Yoshio Kawaguchi
Makoto Ono
Chihiro Watanabe
Kenkyo Kanayama
Katsuma Osaki
Mitsuaki Tsubokura
Yoshio Kawaguchi
Makoto Ono
Chihiro Watanabe
Kenkyo Kanayama
Katsuma Osaki
Mitsuaki Tsubokura